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Old Apr 03, 2014, 04:27 PM
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Ham - What a Bunch of Useless Junk for FPV (pt 2)

T5D12 (D)
What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?
A. 8 volts
B. 0.2 volts
C. 12 volts
D. 20 volts
~~


SUBELEMENT T6 – Electrical components, semiconductors, circuit diagrams, component functions – [4 Exam Questions - 4 Groups]

T6A - Electrical components; fixed and variable resistors, capacitors, and inductors; fuses, switches, batteries

T6A01 (B)
What electrical component is used to oppose the flow of current in a DC circuit?
A. Inductor
B. Resistor
C. Voltmeter
D. Transformer
~~


T6A02 (C)
What type of component is often used as an adjustable volume control?
A. Fixed resistor
B. Power resistor
C. Potentiometer
D. Transformer
~~


T6A03 (B)
What electrical parameter is controlled by a potentiometer?
A. Inductance
B. Resistance
C. Capacitance
D. Field strength
~~


T6A04 (B)
What electrical component stores energy in an electric field?
A. Resistor
B. Capacitor
C. Inductor
D. Diode
~~


T6A05 (D)
What type of electrical component consists of two or more conductive surfaces separated by an insulator?
A. Resistor
B. Potentiometer
C. Oscillator
D. Capacitor
~~


T6A06 (C)
What type of electrical component stores energy in a magnetic field?
A. Resistor
B. Capacitor
C. Inductor
D. Diode
~~


T6A07 (D)
What electrical component is usually composed of a coil of wire?
A. Switch
B. Capacitor
C. Diode
D. Inductor
~~



T6A08 (B)
What electrical component is used to connect or disconnect electrical circuits?
A. Zener Diode
B. Switch
C. Inductor
D. Variable resistor
~~


T6A09 (A)
What electrical component is used to protect other circuit components from current overloads?
A. Fuse
B. Capacitor
C. Shield
D. Inductor
~~


T6A10 (B)
What is the nominal voltage of a fully charged nickel-cadmium cell?
A. 1.0 volts
B. 1.2 volts
C. 1.5 volts
D. 2.2 volts
~~


T6A11 (B)
Which battery type is not rechargeable?
A. Nickel-cadmium
B. Carbon-zinc
C. Lead-acid
D. Lithium-ion
~~


T6B – Semiconductors; basic principles of diodes and transistors

T6B01 (D)
What class of electronic components is capable of using a voltage or current signal to control current flow?
A. Capacitors
B. Inductors
C. Resistors
D. Transistors
~~


T6B02 (C)
What electronic component allows current to flow in only one direction?
A. Resistor
B. Fuse
C. Diode
D. Driven Element
~~



T6B03 (C)
Which of these components can be used as an electronic switch or amplifier?
A. Oscillator
B. Potentiometer
C. Transistor
D. Voltmeter
~~


T6B04 (B)
Which of these components is made of three layers of semiconductor material?
A. Alternator
B. Bipolar junction transistor
C. Triode
D. Pentagrid converter
~~


T6B05 (A)
Which of the following electronic components can amplify signals?
A. Transistor
B. Variable resistor
C. Electrolytic capacitor
D. Multi-cell battery
~~


T6B06 (B)
How is a semiconductor diode’s cathode lead usually identified?
A. With the word "cathode"
B. With a stripe
C. With the letter "C"
D. All of these choices are correct
~~


T6B07 (B)
What does the abbreviation "LED" stand for?
A. Low Emission Diode
B. Light Emitting Diode
C. Liquid Emission Detector
D. Long Echo Delay
~~


T6B08 (A)
What does the abbreviation "FET" stand for?
A. Field Effect Transistor
B. Fast Electron Transistor
C. Free Electron Transition
D. Field Emission Thickness
~~


T6B09 (C)
What are the names of the two electrodes of a diode?
A. Plus and minus
B. Source and drain
C. Anode and cathode
D. Gate and base
~~


T6B10 (A)
Which semiconductor component has an emitter electrode?
A. Bipolar transistor
B. Field effect transistor
C. Silicon diode
D. Bridge rectifier
~~


T6B11 (B)
Which semiconductor component has a gate electrode?
A. Bipolar transistor
B. Field effect transistor
C. Silicon diode
D. Bridge rectifier
~~


T6B12 (A)
What is the term that describes a transistor's ability to amplify a signal?
A. Gain
B. Forward resistance
C. Forward voltage drop
D. On resistance
~~


T6C - Circuit diagrams; schematic symbols

T6C01 (C)
What is the name for standardized representations of components in an electrical wiring diagram?
A. Electrical depictions
B. Grey sketch
C. Schematic symbols
D. Component callouts
~~


T6C02 (A)
What is component 1 in figure T1?
A. Resistor
B. Transistor
C. Battery
D. Connector
~~


T6C03 (B)
What is component 2 in figure T1?
A. Resistor
B. Transistor
C. Indicator lamp
D. Connector
~~



T6C04 (C)
What is component 3 in figure T1?
A. Resistor
B. Transistor
C. Lamp
D. Ground symbol
~~


T6C05 (C)
What is component 4 in figure T1?
A. Resistor
B. Transistor
C. Battery
D. Ground symbol
~~


T6C06 (B)
What is component 6 in figure T2?
A. Resistor
B. Capacitor
C. Regulator IC
D. Transistor
~~


T6C07 (D)
What is component 8 in figure T2?
A. Resistor
B. Inductor
C. Regulator IC
D. Light emitting diode
~~


T6C08 (C)
What is component 9 in figure T2?
A. Variable capacitor
B. Variable inductor
C. Variable resistor
D. Variable transformer
~~


T6C09 (D)
What is component 4 in figure T2?
A. Variable inductor
B. Double-pole switch
C. Potentiometer
D. Transformer
~~



T6C10 (D)
What is component 3 in figure T3?
A. Connector
B. Meter
C. Variable capacitor
D. Variable inductor
~~


T6C11 (A)
What is component 4 in figure T3?
A. Antenna
B. Transmitter
C. Dummy load
D. Ground
~~


T6C12 (A)
What do the symbols on an electrical circuit schematic diagram represent?
A. Electrical components
B. Logic states
C. Digital codes
D. Traffic nodes
~~


T6C13 (C)
Which of the following is accurately represented in electrical circuit schematic diagrams?
A. Wire lengths
B. Physical appearance of components
C. The way components are interconnected
D. All of these choices are correct


T6D - Component functions

T6D01 (B)
Which of the following devices or circuits changes an alternating current into a varying direct current signal?
A. Transformer
B. Rectifier
C. Amplifier
D. Reflector
~~


T6D02 (A)
What best describes a relay?
A. A switch controlled by an electromagnet
B. A current controlled amplifier
C. An optical sensor
D. A pass transistor
~~



T6D03 (A)
What type of switch is represented by item 3 in figure T2?
A. Single-pole single-throw
B. Single-pole double-throw
C. Double-pole single-throw
D. Double-pole double-throw
~~


T6D04 (C)
Which of the following can be used to display signal strength on a numeric scale?
A. Potentiometer
B. Transistor
C. Meter
D. Relay
~~


T6D05 (A)
What type of circuit controls the amount of voltage from a power supply?
A. Regulator
B. Oscillator
C. Filter
D. Phase inverter
~~


T6D06 (B)
What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?
A. Variable capacitor
B. Transformer
C. Transistor
D. Diode
~~


T6D07 (A)
Which of the following is commonly used as a visual indicator?
A. LED
B. FET
C. Zener diode
D. Bipolar transistor
~~


T6D08 (D)
Which of the following is used together with an inductor to make a tuned circuit?
A. Resistor
B. Zener diode
C. Potentiometer
D. Capacitor
~~



T6D09 (C)
What is the name of a device that combines several semiconductors and other components into one package?
A. Transducer
B. Multi-pole relay
C. Integrated circuit
D. Transformer
~~


T6D10 (C)
What is the function of component 2 in Figure T1?
A. Give off light when current flows through it
B. Supply electrical energy
C. Control the flow of current
D. Convert electrical energy into radio waves
~~


T6D11 (B)
Which of the following is a common use of coaxial cable?
A. Carry dc power from a vehicle battery to a mobile radio
B. Carry RF signals between a radio and antenna
C. Secure masts, tubing, and other cylindrical objects on towers
D. Connect data signals from a TNC to a computer
~~


SUBELEMENT T7 – Station equipment; common transmitter and receiver problems, antenna measurements and troubleshooting, basic repair and testing – [4 Exam Questions - 4 Groups]

T7A - Station radios; receivers, transmitters, transceivers

T7A01 (C)
What is the function of a product detector?
A. Detect phase modulated signals
B. Demodulate FM signals
C. Detect CW and SSB signals
D. Combine speech and RF signals
~~


T7A02 (C)
What type of receiver is shown in Figure T6?
A. Direct conversion
B. Super-regenerative
C. Single-conversion superheterodyne
D. Dual-conversion superheterodyne
~~


T7A03 (C)
What is the function of a mixer in a superheterodyne receiver?
A. To reject signals outside of the desired passband
B. To combine signals from several stations together
C. To shift the incoming signal to an intermediate frequency
D. To connect the receiver with an auxiliary device, such as a TNC
~~


T7A04 (D)
What circuit is pictured in Figure T7, if block 1 is a frequency discriminator?
A. A double-conversion receiver
B. A regenerative receiver
C. A superheterodyne receiver
D. An FM receiver
~~


T7A05 (D)
What is the function of block 1 if figure T4 is a simple CW transmitter?
A. Reactance modulator
B. Product detector
C. Low-pass filter
D. Oscillator
~~


T7A06 (C)
What device takes the output of a low-powered 28 MHz SSB exciter and produces a 222 MHz output signal?
A. High-pass filter
B. Low-pass filter
C. Transverter
D. Phase converter
~~


T7A07 (B)
If figure T5 represents a transceiver in which block 1 is the transmitter portion and block 3 is the receiver portion, what is the function of block 2?
A. A balanced modulator
B. A transmit-receive switch
C. A power amplifier
D. A high-pass filter
~~


T7A08 (C)
Which of the following circuits combines a speech signal and an RF carrier?
A. Beat frequency oscillator
B. Discriminator
C. Modulator
D. Noise blanker
~~


T7A09 (B)
Which of the following devices is most useful for VHF weak-signal communication?
A. A quarter-wave vertical antenna
B. A multi-mode VHF transceiver
C. An omni-directional antenna
D. A mobile VHF FM transceiver
~~



T7A10 (B)
What device increases the low-power output from a handheld transceiver?
A. A voltage divider
B. An RF power amplifier
C. An impedance network
D. A voltage regulator
~~


T7A11 (B)
Which of the following circuits demodulates FM signals?
A. Limiter
B. Discriminator
C. Product detector
D. Phase inverter
~~


T7A12 (C)
Which term describes the ability of a receiver to discriminate between multiple signals?
A. Tuning rate
B. Sensitivity
C. Selectivity
D. Noise floor
~~


T7A13 (A)
Where is an RF preamplifier installed?
A. Between the antenna and receiver
B. At the output of the transmitter's power amplifier
C. Between a transmitter and antenna tuner
D. At the receiver's audio output
~~


T7B – Common transmitter and receiver problems; symptoms of overload and overdrive, distortion, interference, over and under modulation, RF feedback, off frequency signals; fading and noise; problems with digital communications interfaces

T7B01 (D)
What can you do if you are told your FM handheld or mobile transceiver is over deviating?
A. Talk louder into the microphone
B. Let the transceiver cool off
C. Change to a higher power level
D. Talk farther away from the microphone
~~


T7B02 (C)
What is meant by fundamental overload in reference to a receiver?
A. Too much voltage from the power supply
B. Too much current from the power supply
C. Interference caused by very strong signals
D. Interference caused by turning the volume up too high
~~



T7B03 (D)
Which of the following may be a cause of radio frequency interference?
A. Fundamental overload
B. Harmonics
C. Spurious emissions
D. All of these choices are correct
~~


T7B04 (B)
What is the most likely cause of interference to a non-cordless telephone from a nearby transmitter?
A. Harmonics from the transmitter
B. The telephone is inadvertently acting as a radio receiver
C. Poor station grounding
D. Improper transmitter adjustment
~~


T7B05 (C)
What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?
A. Install a low-pass filter at the transmitter
B. Install a high-pass filter at the transmitter
C. Install an RF filter at the telephone
D. Improve station grounding
~~


T7B06 (A)
What should you do first if someone tells you that your station’s transmissions are interfering with their radio or TV reception?
A. Make sure that your station is functioning properly and that it does not cause interference to your own television
B. Immediately turn off your transmitter and contact the nearest FCC office for assistance
C. Tell them that your license gives you the right to transmit and nothing can be done to reduce the interference
D. Continue operating normally because your equipment cannot possibly cause any interference
~~


T7B07 (D)
Which of the following may be useful in correcting a radio frequency interference problem?
A. Snap-on ferrite chokes
B. Low-pass and high-pass filters
C. Band-reject and band-pass filters
D. All of these choices are correct
~~



T7B08 (D)
What should you do if a "Part 15" device in your neighbor’s home is causing harmful interference to your amateur station?
A. Work with your neighbor to identify the offending device
B. Politely inform your neighbor about the rules that require him to stop using the device if it causes interference
C. Check your station and make sure it meets the standards of good amateur practice
D. All of these choices are correct
~~


T7B09 (D)
What could be happening if another operator reports a variable high-pitched whine on the audio from your mobile transmitter?
A. Your microphone is picking up noise from an open window
B. You have the volume on your receiver set too high
C. You need to adjust your squelch control
D. Noise on the vehicle’s electrical system is being transmitted along with your speech audio
~~


T7B10 (D)
What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?
A. Your transmitter may be slightly off frequency
B. Your batteries may be running low
C. You could be in a bad location
D. All of these choices are correct
~~


T7B11 (C)
What is a symptom of RF feedback in a transmitter or transceiver?
A. Excessive SWR at the antenna connection
B. The transmitter will not stay on the desired frequency
C. Reports of garbled, distorted, or unintelligible transmissions
D. Frequent blowing of power supply fuses
~~


T7B12 (C)
What does the acronym "BER" mean when applied to digital communications systems?
A. Baud Enhancement Recovery
B. Baud Error Removal
C. Bit Error Rate
D. Bit Exponent Resource
~~


T7C – Antenna measurements and troubleshooting; measuring SWR, dummy loads, feedline failure modes

T7C01 (A)
What is the primary purpose of a dummy load?
A. To prevent the radiation of signals when making tests
B. To prevent over-modulation of your transmitter
C. To improve the radiation from your antenna
D. To improve the signal to noise ratio of your receiver
~~


T7C02 (B)
Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?
A. A VTVM
B. An antenna analyzer
C. A "Q" meter
D. A frequency counter
~~


T7C03 (A)
What, in general terms, is standing wave ratio (SWR)?
A. A measure of how well a load is matched to a transmission line
B. The ratio of high to low impedance in a feedline
C. The transmitter efficiency ratio
D. An indication of the quality of your station’s ground connection
~~


T7C04 (C)
What reading on an SWR meter indicates a perfect impedance match between the antenna and the feedline?
A. 2 to 1
B. 1 to 3
C. 1 to 1
D. 10 to 1
~~


T7C05 (A)
What is the approximate SWR value above which the protection circuits in most solid-state transmitters begin to reduce transmitter power?
A. 2 to 1
B. 1 to 2
C. 6 to 1
D. 10 to 1
~~


T7C06 (D)
What does an SWR reading of 4:1 mean?
A. An antenna loss of 4 dB
B. A good impedance match
C. An antenna gain of 4
D. An impedance mismatch
~~


T7C07 (C)
What happens to power lost in a feedline?
A. It increases the SWR
B. It comes back into your transmitter and could cause damage
C. It is converted into heat
D. It can cause distortion of your signal
~~



T7C08 (D)
What instrument other than an SWR meter could you use to determine if a feedline and antenna are properly matched?
A. Voltmeter
B. Ohmmeter
C. Iambic pentameter
D. Directional wattmeter
~~


T7C09 (A)
Which of the following is the most common cause for failure of coaxial cables?
A. Moisture contamination
B. Gamma rays
C. The velocity factor exceeds 1.0
D. Overloading
~~


T7C10 (D)
Why should the outer jacket of coaxial cable be resistant to ultraviolet light?
A. Ultraviolet resistant jackets prevent harmonic radiation
B. Ultraviolet light can increase losses in the cable’s jacket
C. Ultraviolet and RF signals can mix together, causing interference
D. Ultraviolet light can damage the jacket and allow water to enter the cable
~~


T7C11 (C)
What is a disadvantage of "air core" coaxial cable when compared to foam or solid dielectric types?
A. It has more loss per foot
B. It cannot be used for VHF or UHF antennas
C. It requires special techniques to prevent water absorption
D. It cannot be used at below freezing temperatures
~~


T7D – Basic repair and testing; soldering, use of a voltmeter, ammeter, and ohmmeter

T7D01 (B)
Which instrument would you use to measure electric potential or electromotive force?
A. An ammeter
B. A voltmeter
C. A wavemeter
D. An ohmmeter
~~


T7D02 (B)
What is the correct way to connect a voltmeter to a circuit?
A. In series with the circuit
B. In parallel with the circuit
C. In quadrature with the circuit
D. In phase with the circuit
~~



T7D03 (A)
How is an ammeter usually connected to a circuit?
A. In series with the circuit
B. In parallel with the circuit
C. In quadrature with the circuit
D. In phase with the circuit
~~


T7D04 (D)
Which instrument is used to measure electric current?
A. An ohmmeter
B. A wavemeter
C. A voltmeter
D. An ammeter
~~


T7D05 (D)
What instrument is used to measure resistance?
A. An oscilloscope
B. A spectrum analyzer
C. A noise bridge
D. An ohmmeter
~~


T7D06 (C)
Which of the following might damage a multimeter?
A. Measuring a voltage too small for the chosen scale
B. Leaving the meter in the milliamps position overnight
C. Attempting to measure voltage when using the resistance setting
D. Not allowing it to warm up properly
~~


T7D07 (D)
Which of the following measurements are commonly made using a multimeter?
A. SWR and RF power
B. Signal strength and noise
C. Impedance and reactance
D. Voltage and resistance
~~


T7D08 (C)
Which of the following types of solder is best for radio and electronic use?
A. Acid-core solder
B. Silver solder
C. Rosin-core solder
D. Aluminum solder
~~


T7D09 (C)
What is the characteristic appearance of a "cold" solder joint?
A. Dark black spots
B. A bright or shiny surface
C. A grainy or dull surface
D. A greenish tint
~~


T7D10 (B)
What is probably happening when an ohmmeter, connected across a circuit, initially indicates a low resistance and then shows increasing resistance with time?
A. The ohmmeter is defective
B. The circuit contains a large capacitor
C. The circuit contains a large inductor
D. The circuit is a relaxation oscillator
~~


T7D11 (B)
Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?
A. Ensure that the applied voltages are correct
B. Ensure that the circuit is not powered
C. Ensure that the circuit is grounded
D. Ensure that the circuit is operating at the correct frequency
~~


SUBELEMENT T8 – Modulation modes; amateur satellite operation, operating activities, non-voice communications – [4 Exam Questions - 4 Groups]

T8A – Modulation modes; bandwidth of various signals

T8A01 (C)
Which of the following is a form of amplitude modulation?
A. Spread-spectrum
B. Packet radio
C. Single sideband
D. Phase shift keying
~~


T8A02 (A)
What type of modulation is most commonly used for VHF packet radio transmissions?
A. FM
B. SSB
C. AM
D. Spread Spectrum
~~


T8A03 (C)
Which type of voice modulation is most often used for long-distance or weak signal contacts on the VHF and UHF bands?
A. FM
B. AM
C. SSB
D. PM
~~



T8A04 (D)
Which type of modulation is most commonly used for VHF and UHF voice repeaters?
A. AM
B. SSB
C. PSK
D. FM
~~


T8A05 (C)
Which of the following types of emission has the narrowest bandwidth?
A. FM voice
B. SSB voice
C. CW
D. Slow-scan TV
~~


T8A06 (A)
Which sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications?
A. Upper sideband
B. Lower sideband
C. Suppressed sideband
D. Inverted sideband
~~


T8A07 (C)
What is the primary advantage of single sideband over FM for voice transmissions?
A. SSB signals are easier to tune
B. SSB signals are less susceptible to interference
C. SSB signals have narrower bandwidth
D. All of these choices are correct
~~


T8A08 (B)
What is the approximate bandwidth of a single sideband voice signal?
A. 1 kHz
B. 3 kHz
C. 6 kHz
D. 15 kHz
~~


T8A09 (C)
What is the approximate bandwidth of a VHF repeater FM phone signal?
A. Less than 500 Hz
B. About 150 kHz
C. Between 5 and 15 kHz
D. Between 50 and 125 kHz
~~



T8A10 (B)
What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?
A. More than 10 MHz
B. About 6 MHz
C. About 3 MHz
D. About 1 MHz
~~


T8A11 (B)
What is the approximate maximum bandwidth required to transmit a CW signal?
A. 2.4 kHz
B. 150 Hz
C. 1000 Hz
D. 15 kHz
~~


T8B - Amateur satellite operation; Doppler shift, basic orbits, operating protocols

T8B01 (D)
Who may be the control operator of a station communicating through an amateur satellite or space station?
A. Only an Amateur Extra Class operator
B. A General Class licensee or higher licensee who has a satellite operator certification
C. Only an Amateur Extra Class operator who is also an AMSAT member
D. Any amateur whose license privileges allow them to transmit on the satellite uplink frequency
~~


T8B02 (B) [97.313(a)]
How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?
A. The maximum power of your transmitter
B. The minimum amount of power needed to complete the contact
C. No more than half the rating of your linear amplifier
D. Never more than 1 watt
~~


T8B03 (A)
Which of the following can be done using an amateur radio satellite?
A. Talk to amateur radio operators in other countries
B. Get global positioning information
C. Make telephone calls
D. All of these choices are correct
~~


T8B04 (B)
Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?
A. Only members of amateur radio clubs at NASA facilities
B. Any amateur holding a Technician or higher class license
C. Only the astronaut's family members who are hams
D. You cannot talk to the ISS on amateur radio frequencies
~~


T8B05 (D)
What is a satellite beacon?
A. The primary transmit antenna on the satellite
B. An indicator light that that shows where to point your antenna
C. A reflective surface on the satellite
D. A transmission from a space station that contains information about a satellite
~~


T8B06 (D)
What can be used to determine the time period during which an amateur satellite or space station can be accessed?
A. A GPS receiver
B. A field strength meter
C. A telescope
D. A satellite tracking program
~~


T8B07 (C)
With regard to satellite communications, what is Doppler shift?
A. A change in the satellite orbit
B. A mode where the satellite receives signals on one band and transmits on another
C. An observed change in signal frequency caused by relative motion between the satellite and the earth station
D. A special digital communications mode for some satellites
~~


T8B08 (B)
What is meant by the statement that a satellite is operating in "mode U/V"?
A. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
B. The satellite uplink is in the 70 cm band and the downlink is in the 2 meter band
C. The satellite operates using ultraviolet frequencies
D. The satellite frequencies are usually variable
~~


T8B09 (B)
What causes "spin fading" when referring to satellite signals?
A. Circular polarized noise interference radiated from the sun
B. Rotation of the satellite and its antennas
C. Doppler shift of the received signal
D. Interfering signals within the satellite uplink band
~~


T8B10 (C)
What do the initials LEO tell you about an amateur satellite?
A. The satellite battery is in Low Energy Operation mode
B. The satellite is performing a Lunar Ejection Orbit maneuver
C. The satellite is in a Low Earth Orbit
D. The satellite uses Light Emitting Optics
~~



T8B11 (C)
What is a commonly used method of sending signals to and from a digital satellite?
A. USB AFSK
B. PSK31
C. FM Packet
D. WSJT
~~


T8C – Operating activities; radio direction finding, radio control, contests, special event stations, basic linking over Internet

T8C01 (C)
Which of the following methods is used to locate sources of noise interference or jamming?
A. Echolocation
B. Doppler radar
C. Radio direction finding
D. Phase locking
~~


T8C02 (B)
Which of these items would be useful for a hidden transmitter hunt?
A. Calibrated SWR meter
B. A directional antenna
C. A calibrated noise bridge
D. All of these choices are correct
~~


T8C03 (A)
What popular operating activity involves contacting as many stations as possible during a specified period of time?
A. Contesting
B. Net operations
C. Public service events
D. Simulated emergency exercises
~~


T8C04 (C)
Which of the following is good procedure when contacting another station in a radio contest?
A. Be sure to sign only the last two letters of your call if there is a pileup calling the station
B. Work the station twice to be sure that you are in his log
C. Send only the minimum information needed for proper identification and the contest exchange
D. All of these choices are correct
~~


T8C05 (A)
What is a grid locator?
A. A letter-number designator assigned to a geographic location
B. A letter-number designator assigned to an azimuth and elevation
C. An instrument for neutralizing a final amplifier
D. An instrument for radio direction finding
~~


T8C06 (C)
For what purpose is a temporary "1 by 1" format (letter-number-letter) call sign assigned?
A. To designate an experimental station
B. To honor a deceased relative who was a radio amateur
C. For operations in conjunction with an activity of special significance to the amateur community
D. All of these choices are correct
~~


T8C07 (B) [97.215(c)]
What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
A. 500 milliwatts
B. 1 watt
C. 25 watts
D. 1500 watts
~~


T8C08 (C) [97.215(a)]
What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?
A. Voice identification must be transmitted every 10 minutes
B. Morse code ID must be sent once per hour
C. A label indicating the licensee’s name, call sign and address must be affixed to the transmitter
D. A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger
~~


T8C09 (C)
How might you obtain a list of active nodes that use VoIP?
A. From the FCC Rulebook
B. From your local emergency coordinator
C. From a repeater directory
D. From the local repeater frequency coordinator
~~


T8C10 (D)
How do you select a specific IRLP node when using a portable transceiver?
A. Choose a specific CTCSS tone
B. Choose the correct DSC tone
C. Access the repeater autopatch
D. Use the keypad to transmit the IRLP node ID
~~


T8C11 (A)
What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?
A. A gateway
B. A repeater
C. A digipeater
D. A beacon
~~


T8D – Non-voice communications; image data, digital modes, CW, packet, PSK31

T8D01 (D)
Which of the following is an example of a digital communications method?
A. Packet
B. PSK31
C. MFSK
D. All of these choices are correct
~~


T8D02 (A)
What does the term APRS mean?
A. Automatic Position Reporting System
B. Associated Public Radio Station
C. Auto Planning Radio Set-up
D. Advanced Polar Radio System
~~


T8D03 (D)
Which of the following is normally used when sending automatic location reports via amateur radio?
A. A connection to the vehicle speedometer
B. A WWV receiver
C. A connection to a broadcast FM sub-carrier receiver
D. A Global Positioning System receiver
~~


T8D04 (C)
What type of transmission is indicated by the term NTSC?
A. A Normal Transmission mode in Static Circuit
B. A special mode for earth satellite uplink
C. An analog fast scan color TV signal
D. A frame compression scheme for TV signals
~~


T8D05 (B)
Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?
A. Spread spectrum
B. Data
C. SSB voice
D. Fast-scan television
~~


T8D06 (B)
What does the abbreviation PSK mean?
A. Pulse Shift Keying
B. Phase Shift Keying
C. Packet Short Keying
D. Phased Slide Keying
~~



T8D07 (D)
What is PSK31?
A. A high-rate data transmission mode
B. A method of reducing noise interference to FM signals
C. A method of compressing digital television signal
D. A low-rate data transmission mode
~~


T8D08 (D)
Which of the following may be included in packet transmissions?
A. A check sum which permits error detection
B. A header which contains the call sign of the station to which the information is being sent
C. Automatic repeat request in case of error
D. All of these choices are correct
~~


T8D09 (C)
What code is used when sending CW in the amateur bands?
A. Baudot
B. Hamming
C. International Morse
D. Gray
~~


T8D10 (D)
Which of the following can be used to transmit CW in the amateur bands?
A. Straight Key
B. Electronic Keyer
C. Computer Keyboard
D. All of these choices are correct
~~


T8D11 (C)
What is a "parity" bit?
A. A control code required for automatic position reporting
B. A timing bit used to ensure equal sharing of a frequency
C. An extra code element used to detect errors in received data
D. A "triple width" bit used to signal the end of a character
~~


SUBELEMENT T9 – Antennas, feedlines - [2 Exam Questions - 2 Groups]

T9A – Antennas; vertical and horizontal, concept of gain, common portable and mobile antennas, relationships between antenna length and frequency

T9A01 (C)
What is a beam antenna?
A. An antenna built from aluminum I-beams
B. An omnidirectional antenna invented by Clarence Beam
C. An antenna that concentrates signals in one direction
D. An antenna that reverses the phase of received signals
~~



T9A02 (B)
Which of the following is true regarding vertical antennas?
A. The magnetic field is perpendicular to the Earth
B. The electric field is perpendicular to the Earth
C. The phase is inverted
D. The phase is reversed
~~


T9A03 (B)
Which of the following describes a simple dipole mounted so the conductor is parallel to the Earth's surface?
A. A ground wave antenna
B. A horizontally polarized antenna
C. A rhombic antenna
D. A vertically polarized antenna
~~


T9A04 (A)
What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?
A. It does not transmit or receive as effectively as a full-sized antenna
B. It transmits a circularly polarized signal
C. If the rubber end cap is lost it will unravel very quickly
D. All of these choices are correct
~~


T9A05 (C)
How would you change a dipole antenna to make it resonant on a higher frequency?
A. Lengthen it
B. Insert coils in series with radiating wires
C. Shorten it
D. Add capacity hats to the ends of the radiating wires
~~


T9A06 (C)
What type of antennas are the quad, Yagi, and dish?
A. Non-resonant antennas
B. Loop antennas
C. Directional antennas
D. Isotropic antennas
~~


T9A07 (A)
What is a good reason not to use a "rubber duck" antenna inside your car?
A. Signals can be significantly weaker than when it is outside of the vehicle
B. It might cause your radio to overheat
C. The SWR might decrease, decreasing the signal strength
D. All of these choices are correct
~~



T9A08 (C)
What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?
A. 112
B. 50
C. 19
D. 12
~~


T9A09 (C)
What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?
A. 6
B. 50
C. 112
D. 236
~~


T9A10 (C)
In which direction is the radiation strongest from a half-wave dipole antenna in free space?
A. Equally in all directions
B. Off the ends of the antenna
C. Broadside to the antenna
D. In the direction of the feedline
~~


T9A11 (C)
What is meant by the gain of an antenna?
A. The additional power that is added to the transmitter power
B. The additional power that is lost in the antenna when transmitting on a higher frequency
C. The increase in signal strength in a specified direction when compared to a reference antenna
D. The increase in impedance on receive or transmit compared to a reference antenna
~~


T9B - Feedlines; types, losses vs. frequency, SWR concepts, matching weather protection, connectors

T9B01 (B)
Why is it important to have a low SWR in an antenna system that uses coaxial cable feedline?
A. To reduce television interference
B. To allow the efficient transfer of power and reduce losses
C. To prolong antenna life
D. All of these choices are correct
~~



T9B02 (B)
What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?
A. 8 ohms
B. 50 ohms
C. 600 ohms
D. 12 ohms
~~


T9B03 (A)
Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?
A. It is easy to use and requires few special installation considerations
B. It has less loss than any other type of feedline
C. It can handle more power than any other type of feedline
D. It is less expensive than any other types of feedline
~~


T9B04 (A)
What does an antenna tuner do?
A. It matches the antenna system impedance to the transceiver's output impedance
B. It helps a receiver automatically tune in weak stations
C. It allows an antenna to be used on both transmit and receive
D. It automatically selects the proper antenna for the frequency band being used
~~


T9B05 (D)
What generally happens as the frequency of a signal passing through coaxial cable is increased?
A. The apparent SWR increases
B. The reflected power increases
C. The characteristic impedance increases
D. The loss increases
~~


T9B06 (B)
Which of the following connectors is most suitable for frequencies above 400 MHz?
A. A UHF (PL-259/SO-239) connector
B. A Type N connector
C. An RS-213 connector
D. A DB-23 connector
~~


T9B07 (C)
Which of the following is true of PL-259 type coax connectors?
A. They are good for UHF frequencies
B. They are water tight
C. The are commonly used at HF frequencies
D. They are a bayonet type connector
~~



T9B08 (A)
Why should coax connectors exposed to the weather be sealed against water intrusion?
A. To prevent an increase in feedline loss
B. To prevent interference to telephones
C. To keep the jacket from becoming loose
D. All of these choices are correct
~~


T9B09 (B)
What might cause erratic changes in SWR readings?
A. The transmitter is being modulated
B. A loose connection in an antenna or a feedline
C. The transmitter is being over-modulated
D. Interference from other stations is distorting your signal
~~


T9B10 (C)
What electrical difference exists between the smaller RG-58 and larger RG-8 coaxial cables?
A. There is no significant difference between the two types
B. RG-58 cable has less loss at a given frequency
C. RG-8 cable has less loss at a given frequency
D. RG-58 cable can handle higher power levels
~~


T9B11 (C)
Which of the following types of feedline has the lowest loss at VHF and UHF?
A. 50-ohm flexible coax
B. Multi-conductor unbalanced cable
C. Air-insulated hard line
D. 75-ohm flexible coax
~~


SUBELEMENT T0 – AC power circuits, antenna installation, RF hazards – [3 Exam Questions - 3 Groups]

T0A – AC power circuits; hazardous voltages, fuses and circuit breakers, grounding, lightning protection, battery safety, electrical code compliance

T0A01 (B)
Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?
A. 12 volts
B. 30 volts
C. 120 volts
D. 300 volts
~~


T0A02 (D)
How does current flowing through the body cause a health hazard?
A. By heating tissue
B. It disrupts the electrical functions of cells
C. It causes involuntary muscle contractions
D. All of these choices are correct
~~


T0A03 (C)
What is connected to the green wire in a three-wire electrical AC plug?
A. Neutral
B. Hot
C. Safety ground
D. The white wire
~~


T0A04 (B)
What is the purpose of a fuse in an electrical circuit?
A. To prevent power supply ripple from damaging a circuit
B. To interrupt power in case of overload
C. To limit current to prevent shocks
D. All of these choices are correct
~~


T0A05 (C)
Why is it unwise to install a 20-ampere fuse in the place of a 5-ampere fuse?
A. The larger fuse would be likely to blow because it is rated for higher current
B. The power supply ripple would greatly increase
C. Excessive current could cause a fire
D. All of these choices are correct
~~


T0A06 (D)
What is a good way to guard against electrical shock at your station?
A. Use three-wire cords and plugs for all AC powered equipment
B. Connect all AC powered station equipment to a common safety ground
C. Use a circuit protected by a ground-fault interrupter
D. All of these choices are correct
~~


T0A07 (D)
Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feedline?
A. Include a parallel bypass switch for each protector so that it can be switched out of the circuit when running high power
B. Include a series switch in the ground line of each protector to prevent RF overload from inadvertently damaging the protector
C. Keep the ground wires from each protector separate and connected to station ground
D. Ground all of the protectors to a common plate which is in turn connected to an external ground
~~


T0A08 (C)
What is one way to recharge a 12-volt lead-acid station battery if the commercial power is out?
A. Cool the battery in ice for several hours
B. Add acid to the battery
C. Connect the battery to a car's battery and run the engine
D. All of these choices are correct
~~



T0A09 (C)
What kind of hazard is presented by a conventional 12-volt storage battery?
A. It emits ozone which can be harmful to the atmosphere
B. Shock hazard due to high voltage
C. Explosive gas can collect if not properly vented
D. All of these choices are correct
~~


T0A10 (A)
What can happen if a lead-acid storage battery is charged or discharged too quickly?
A. The battery could overheat and give off flammable gas or explode
B. The voltage can become reversed
C. The “memory effect” will reduce the capacity of the battery
D. All of these choices are correct
~~


T0A11 (C)
Which of the following is good practice when installing ground wires on a tower for lightning protection?
A. Put a loop in the ground connection to prevent water damage to the ground system
B. Make sure that all bends in the ground wires are clean, right angle bends
C. Ensure that connections are short and direct
D. All of these choices are correct
~~


T0A12 (D)
What kind of hazard might exist in a power supply when it is turned off and disconnected?
A. Static electricity could damage the grounding system
B. Circulating currents inside the transformer might cause damage
C. The fuse might blow if you remove the cover
D. You might receive an electric shock from stored charge in large capacitors
~~


T0A13 (A)
What safety equipment should always be included in home-built equipment that is powered from 120V AC power circuits?
A. A fuse or circuit breaker in series with the AC "hot" conductor
B. An AC voltmeter across the incoming power source
C. An inductor in series with the AC power source
D. A capacitor across the AC power source
~~


T0B – Antenna installation; tower safety, overhead power lines

T0B01 (C)
When should members of a tower work team wear a hard hat and safety glasses?
A. At all times except when climbing the tower
B. At all times except when belted firmly to the tower
C. At all times when any work is being done on the tower
D. Only when the tower exceeds 30 feet in height
~~



T0B02 (C)
What is a good precaution to observe before climbing an antenna tower?
A. Make sure that you wear a grounded wrist strap
B. Remove all tower grounding connections
C. Put on a climbing harness and safety glasses
D. All of the these choices are correct
~~


T0B03 (D)
Under what circumstances is it safe to climb a tower without a helper or observer?
A. When no electrical work is being performed
B. When no mechanical work is being performed
C. When the work being done is not more than 20 feet above the ground
D. Never
~~


T0B04 (C)
Which of the following is an important safety precaution to observe when putting up an antenna tower?
A. Wear a ground strap connected to your wrist at all times
B. Insulate the base of the tower to avoid lightning strikes
C. Look for and stay clear of any overhead electrical wires
D. All of these choices are correct
~~


T0B05 (C)
What is the purpose of a gin pole?
A. To temporarily replace guy wires
B. To be used in place of a safety harness
C. To lift tower sections or antennas
D. To provide a temporary ground
~~


T0B06 (D)
What is the minimum safe distance from a power line to allow when installing an antenna?
A. Half the width of your property
B. The height of the power line above ground
C. 1/2 wavelength at the operating frequency
D. So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires
~~


T0B07 (C)
Which of the following is an important safety rule to remember when using a crank-up tower?
A. This type of tower must never be painted
B. This type of tower must never be grounded
C. This type of tower must never be climbed unless it is in the fully retracted position
D. All of these choices are correct
~~



T0B08 (C)
What is considered to be a proper grounding method for a tower?
A. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
B. A ferrite-core RF choke connected between the tower and ground
C. Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
D. A connection between the tower base and a cold water pipe
~~


T0B09 (C)
Why should you avoid attaching an antenna to a utility pole?
A. The antenna will not work properly because of induced voltages
B. The utility company will charge you an extra monthly fee
C. The antenna could contact high-voltage power wires
D. All of these choices are correct
~~


T0B10 (C)
Which of the following is true concerning grounding conductors used for lightning protection?
A. Only non-insulated wire must be used
B. Wires must be carefully routed with precise right-angle bends
C. Sharp bends must be avoided
D. Common grounds must be avoided
~~


T0B11 (B)
Which of the following establishes grounding requirements for an amateur radio tower or antenna?
A. FCC Part 97 Rules
B. Local electrical codes
C. FAA tower lighting regulations
D. Underwriters Laboratories' recommended practices
~~


T0C - RF hazards; radiation exposure, proximity to antennas, recognized safe power levels, exposure to others

T0C01 (D)
What type of radiation are VHF and UHF radio signals?
A. Gamma radiation
B. Ionizing radiation
C. Alpha radiation
D. Non-ionizing radiation
~~


T0C02 (B)
Which of the following frequencies has the lowest Maximum Permissible Exposure limit?
A. 3.5 MHz
B. 50 MHz
C. 440 MHz
D. 1296 MHz
~~


T0C03 (C)
What is the maximum power level that an amateur radio station may use at VHF frequencies before an RF exposure evaluation is required?
A. 1500 watts PEP transmitter output
B. 1 watt forward power
C. 50 watts PEP at the antenna
D. 50 watts PEP reflected power
~~


T0C04 (D)
What factors affect the RF exposure of people near an amateur station antenna?
A. Frequency and power level of the RF field
B. Distance from the antenna to a person
C. Radiation pattern of the antenna
D. All of these choices are correct
~~


T0C05 (D)
Why do exposure limits vary with frequency?
A. Lower frequency RF fields have more energy than higher frequency fields
B. Lower frequency RF fields do not penetrate the human body
C. Higher frequency RF fields are transient in nature
D. The human body absorbs more RF energy at some frequencies than at others
~~


T0C06 (D)
Which of the following is an acceptable method to determine that your station complies with FCC RF exposure regulations?
A. By calculation based on FCC OET Bulletin 65
B. By calculation based on computer modeling
C. By measurement of field strength using calibrated equipment
D. All of these choices are correct
~~


T0C07 (B)
What could happen if a person accidentally touched your antenna while you were transmitting?
A. Touching the antenna could cause television interference
B. They might receive a painful RF burn
C. They might develop radiation poisoning
D. All of these choices are correct
~~


T0C08 (A)
Which of the following actions might amateur operators take to prevent exposure to RF radiation in excess of FCC-supplied limits?
A. Relocate antennas
B. Relocate the transmitter
C. Increase the duty cycle
D. All of these choices are correct
~~



T0C09 (B)
How can you make sure your station stays in compliance with RF safety regulations?
A. By informing the FCC of any changes made in your station
B. By re-evaluating the station whenever an item of equipment is changed
C. By making sure your antennas have low SWR
D. All of these choices are correct
~~


T0C10 (A)
Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?
A. It affects the average exposure of people to radiation
B. It affects the peak exposure of people to radiation
C. It takes into account the antenna feedline loss
D. It takes into account the thermal effects of the final amplifier
~~


T0C11 (C)
What is meant by "duty cycle" when referring to RF exposure?
A. The difference between lowest usable output and maximum rated output power of a transmitter
B. The difference between PEP and average power of an SSB signal
C. The ratio of on-air time to total operating time of a transmitted signal
D. The amount of time the operator spends transmitting
~~


[End of Technician Class pool. Graphics included
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Old Apr 03, 2014, 08:49 PM
fly by night
BCSaltchucker's Avatar
Joined Sep 2011
5,411 Posts
yeah so what? The regulators to have some minor barrier to accessing the amateur radio frequencies so it isn't a free for all. Truth is we are lucky to have this HAM access to freqs and oddball equipment without the usual necessity for having FCC licensed devices.

Sure the HAM radio users using it for voice are a weird anachronistic bunch. They have their geeky hobby and we have our geeky hobby. We are lucky those geeky volunteers keep the door open a crack for us to access these frequencies. Easy enough to cram for their easy exam and pay ~$15 for a license.
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Old Apr 03, 2014, 09:15 PM
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Joined Feb 2012
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Point could of been made with a couple of examples.
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Old Apr 03, 2014, 10:11 PM
Pzl
K2PZL
United States, NY, Albany
Joined May 2012
30 Posts
Is this sarcastic? Some of these are very useful for FPV.

"What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?"
"What type of electrical component stores energy in a magnetic field?"

If you can't answer these, you're going to have a hell of a time troubleshooting your FPV gear when it's not perfectly plug-and-play. And let's face it, unless you buy everything from 1 vendor, it isn't. If you don't understand EMI and how putting noisy wires near your receiver is going to cause signal issues, you're going to have a bad time. If you have a ham license and still don't understand, I might chuckle before I help you.

You don't have to actually go buy a radio and talk with other hams, but this information is important to understanding your system. Granted, not all of it ("What is the function of a mixer in a superheterodyne receiver?") but the basic electronics and schematics portion, absolutely.
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Old Apr 03, 2014, 10:32 PM
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United States, WA, Seattle
Joined Apr 2007
430 Posts
Yeah, unfortunately in 90% of the cases, people 'cram' aka memorize answers, not really study. I got asked, by a HAM, if both wires were needed when hooking up video. He passed the HAM exam, I did not. I refused to memorize answers, we used to call it cheating. I guess it is considered education these days.
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Old Apr 03, 2014, 11:33 PM
fly by night
BCSaltchucker's Avatar
Joined Sep 2011
5,411 Posts
Quote:
Originally Posted by Pzl View Post
Is this sarcastic? Some of these are very useful for FPV.

"What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?"
"What type of electrical component stores energy in a magnetic field?"

If you can't answer these, you're going to have a hell of a time troubleshooting your FPV gear when it's not perfectly plug-and-play. And let's face it, unless you buy everything from 1 vendor, it isn't. If you don't understand EMI and how putting noisy wires near your receiver is going to cause signal issues, you're going to have a bad time. If you have a ham license and still don't understand, I might chuckle before I help you.

You don't have to actually go buy a radio and talk with other hams, but this information is important to understanding your system. Granted, not all of it ("What is the function of a mixer in a superheterodyne receiver?") but the basic electronics and schematics portion, absolutely.
most of the content in the exam prep course do not cover much of the useful information though. I found I learned a lot more afterwards from other much smarter FPVers (engineers)
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Old Apr 03, 2014, 11:36 PM
fly by night
BCSaltchucker's Avatar
Joined Sep 2011
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Quote:
Originally Posted by spiked3 View Post
Yeah, unfortunately in 90% of the cases, people 'cram' aka memorize answers, not really study. I got asked, by a HAM, if both wires were needed when hooking up video. He passed the HAM exam, I did not. I refused to memorize answers, we used to call it cheating. I guess it is considered education these days.
so what? the HAM exam is not about learning electronics. It is more about limiting who can have a license and knowing the basics of the FCC regulations. If you can't even pass this extremely easy exam, then ... maybe it's better you stick to LOS.
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Old Apr 04, 2014, 06:57 AM
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2,309 Posts
In no way is it cheating to memorize when the FCC gives you the answers. Cheating is in high school tests where you get the answers surreptitiously.

I merely wanted to be legal I think all the tech details about ham proper is very boring but the actual flight is not, just my take. Memorizing is just fine for fpv testing purposes. I don't regret being a memorizer...in two years I never wanted to get into comm radios just fpv so I'm good. Thank goodness morse was removed in 07
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Old Apr 04, 2014, 07:02 AM
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Ill contrast the scorn of the memorizers with this little diddy

Only in fpv is the cool kids club of licensed hams completely destroyed. Go to a dedicated ham site and tell them you bought all this transceiver shack gear unlicensed off the web and want help setting up an illegal shack to talk to Germany

Then contrast that response against those you get in here from hams who could care less if you are legal or not and its basically not ever asked or even cared if all your gear is illegal. Somehow fpv has degraded FCC requirements in a way old school hams must detest. It used to be that a strong honor code regulated transmissions, the hams honor code was the enforcement arm...them boys would bust ur balls for using equip having given no effort to secure a license, even if just memorized lol

I don't care either way so I'm more part of the prob, but I did notice this massive difference in helping the unlicensed wheni was clicking around on dedicated ham vs fpv sites
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Old Apr 04, 2014, 08:18 AM
Launch the drones ...
Ashtabula, OH USA
Joined May 1999
2,775 Posts
Hmmm - obviously, we need a HAM/FPV license, added to the other HAM licenses. Where FPV users don't need to know about talking to other HAMs, mounting big HAM antenna, etc. - just the FPV pertinent stuff.
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Old Apr 04, 2014, 10:34 AM
fly by night
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Joined Sep 2011
5,411 Posts
no we do not need more regulation. FPV is a fringe hobby still, a minute quantity of us doing this, though it probably doubles every 3 months.

By the time the FCC gets around to making a separate FPV license category ... we will all be flying on non-HAM Wifi wearing OculusFacebook goggles in HD anyways, and have no need for any HAm license.
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Old Apr 04, 2014, 11:00 AM
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Quote:
Originally Posted by BCSaltchucker View Post
so what? the HAM exam is not about learning electronics. It is more about limiting who can have a license and knowing the basics of the FCC regulations. If you can't even pass this extremely easy exam, then ... maybe it's better you stick to LOS.
As I know that you know, FPV can be done without restricted equipment. more expensive and less capable... but it can be done.
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Old Apr 04, 2014, 11:24 AM
Launch the drones ...
Ashtabula, OH USA
Joined May 1999
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Quote:
Originally Posted by BCSaltchucker View Post
no we do not need more regulation. FPV is a fringe hobby still, a minute quantity of us doing this, though it probably doubles every 3 months.

By the time the FCC gets around to making a separate FPV license category ... we will all be flying on non-HAM Wifi wearing OculusFacebook goggles in HD anyways, and have no need for any HAm license.
It is not more regulation - it's less. Think about it from our point of view - A, we take a HAM test largely unrelated to what we do, or B, we take an FPV type of HAM test pertinent to what we do.
  • A) looks like more regulation to me, cause it forces us to learn unrelated stuff.
  • B) looks like sensible regulation, cause it forces us to learn the things we need to know to fly FPV

So, if we had to take a test - it ought to make sense - not just some crap semi-related and forced on us to satisfy - well, I am not sure what, actually. I guess the logic is it's better than nothing. But, is it really? Especially when you can cheat on the test?
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Old Apr 04, 2014, 11:30 AM
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ham is supposed to serve a purpose... or it was... maybe still... its the low tech communication network for the world should the zombies or nazis come around. Its basicly a civil service.

do all us fpv monkeys degrade the ability to use 1.3ghz for its intended purpose?

If so, FCC may eventually see FPV as a pest on that frequency. Or maybe they'll open up a frequency just for us.
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Old Apr 04, 2014, 12:20 PM
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since amateur radio is also a fringe, barely-used band of frequencies, maybe FPV is a welcome bolstering of the HAM ranks? I have doubts that there is any real practical need for HAM radio at all in disaster and emergency radio any more. So many other technologies out there, like the decentralized internet. But yeah, FPV doesn't precisely conform to the intended HAM use guidelines. More because they never thought of things like FPV when they made up those guidelines many decades ago.
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