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Greece, Attica, Eleusina
Joined Sep 2010
150 Posts
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but ok I might take the one with less power. Antennas are needed to get the best signal.. first flights in FPV and bad video signal is big problem... So a video recorder and video splitter are not that much. Pan/Tilt will be used in the future but the Mount is really good and I will use it only to set the Camera in it. Except the TX and OSD what else I have more than I need in this list? Thank you very much for your interest and for your help. I really appreciate it! Dimitris. Video TX: T1012 TRANSMITTER 1.2 Ghz 1000mW - Lawmate - Also available to USA customers Video RX: R1200-STD 1.2 Ghz High Sensitvity Receiver Standard - Lawmate CAMERA: 690TVL HD Ultra WDR OSD: DRAGON OSD GPS NAVIGATION SYSTEM COMBO ANTENNAS: Cloverleaf Circular Polarized Antenna (1280 MHz) For the Video TX Skew-planar wheel (1280 MHz) For the Video RX TRIPOD: Tripod for FPV Ground Station 53-Inches VIDEO GOGGLES: HeadPlay 800 x 600 FPV goggles FPV Pan/Tilt Pod Kit SkyWalker FPV Pan/Tilt Pod Kit AIRPLANE: Skywalker 168cm EPO airplane V5 VIDEO RECORDER: Pocket Size Full D1 Real-Time 1-Ch MPEG-4 SD Card Digital Video Recorder (DVR) (GDV-201SD) VIDEO SPLITTER/AMPLIFIER: VIDEO SPLITTER/AMPLIFIER |
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Corvallis, OR
Joined Apr 2010
1,376 Posts
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antennas for it. Try 900 mhz or 1.3ghz, even 2.4ghz. You also don't need pan or tilt starting out, that will just complicate your flying. And you should check out the AIPTEK MVPR+ 3MP recorder. It's $40 and is one of the best recorders out there. |
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Greece, Attica, Eleusina
Joined Sep 2010
150 Posts
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Greece, Attica, Eleusina
Joined Sep 2010
150 Posts
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for the ground station? Whats the difference with 1.2GHz? Will I have any Problems with my 2.4GHz radio? Or with Cellular network or something? |
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Corvallis, OR
Joined Apr 2010
1,376 Posts
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reminding you that it only works well with CP so linear isn't really an option. You need to look into your countries frequency allocation chart and find if you can broadcast on those frequencies and what licensing is required. You don't need an antenna tracker for 1.3 ghz, you can use omni antennas like any other frequency. There is no real difference between 1.2 and 1.3 ghz, they all (normally) refer to the 1280mhz band. If you're using a 2.4 ghz radio you are going to run into problems trying to FPV with it, especially spectrum. |
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Corvallis, OR
Joined Apr 2010
1,376 Posts
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![]() ![]() I would look here though at what other ground recorders are good. |
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It is worth taking a buddy for "joyflights" while you fly line-of sight until you are VERY confident with the set-up and balance. Have them read off what they see in you OSD if you have one.. Mark in the battery/electrics bay exactly where the component sit, including the exact battery so you don't have CG changes to wrestle with.
That way you get to know what range you have before picture fuzzes, you know if the picture improves or worsens as you turn for home and all the other things that cause sphinctal cringing when you just start out. Nothing seems to move that fast when you fly FPV.....until it all goes wrong ! J |
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Okay, rather dumb question. Just got my FPV system from BevRC, and I'll be wiring it up over the next week or so. Now that I have it, I notice nothing has labels showing the polarity of the power hookups it needs. It's all 12V DC with standard barrel plugs, but the power receptacles on the VTX and VRX aren't labeled with polarity. Should I just use the standard of positive on the center pin and negative on the outer part? I'm also not sure how to tell which wire goes to which on the bare ended pigtail cables I got to solder battery connectors on. One wire is completely black, and the other has gray dashes on it. Which one of those goes to the center pin and which to the outer part? Hopefully there's a standard way to do this, as the last thing I want is to do this wrong so I immediately fry everything as soon as I plug it in.
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Greece, Attica, Eleusina
Joined Sep 2010
150 Posts
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Why I cant use 5.8GHz and I have to choose 1.3GHz? |
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Okay I figured out that the VTX, VRX, and camera all have polarity with center pin positive. Just had to try it and hope it works. Still not sure about soldering the power cable that came with it (I tested the video system using other power adapters), but I read elsewhere the wire with a white stripe usually is positive so I'll assume that goes to the center pin. I'd test it with the multimeter I bought, but the thing doesn't appear to work.
So anyway, new question. I tested the video system and it worked, but any sudden movement of the camera (especially that caused exposure to change from light to dark) or moving the VTX much caused my screen (a Coby DVD player with video-in) to go black and hunt for a signal. So I'm assuming this is the "black screen of death" problem people have talked about. The guide on the first page of this thread talked a little about solving the black screen issue, but not in enough detail to be helpful. Can anyone give tips on how to prevent the screen from blacking? |
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