HobbyKing.com New Products Flash Sale
Reply
Thread Tools
Old Mar 02, 2010, 04:21 PM
Registered User
cadders's Avatar
Joined Jul 2004
490 Posts
Help!
10mw or 500mw vtx...go legal or illegal??

Hi, as you all know 10mw is the max power for our vtx's in the UK. My GS utilises an antennatracker with an 8dBi patch antenna on the pan and tilt and a 3dBi rubber duck a few feet away. If I go with the legal 10mw option will this be enough to have some fun...or is it totally inadequate. Or should I just say what the hell and go with the 500mw option??? Decisions, decisions. What are other peoples experiences.

BTW if I go with the 10mw option would it generate less interference with my P & T servos? And could I house it at the back of the camera pod without any servo issues, as I'm aware that higher mw vtx's can create servo glitches?

Please help, any input will be greatly appreciated.

Cadders
cadders is online now Find More Posts by cadders
Reply With Quote
Sign up now
to remove ads between posts
Old Mar 02, 2010, 04:38 PM
http://drone-pilot.blogspot.fr
lovegroove's Avatar
Rhone Alps, France
Joined Aug 2008
2,540 Posts
Go for the 500mW option. Yes it's illegal, but then so is pretty much everything with FPV in the UK. If you were to follow all the guidelines then you might as well just fly standard RC LOS and get your FPV fix by downloading videos from youtube and watching them through your video goggles (I highly recommend doing this by the way).
lovegroove is offline Find More Posts by lovegroove
Reply With Quote
Old Mar 02, 2010, 04:40 PM
Mums the word.
man2000me's Avatar
St.Augustine, FL
Joined Sep 2009
2,061 Posts
Do what your laws require...
man2000me is offline Find More Posts by man2000me
Reply With Quote
Old Mar 02, 2010, 04:45 PM
http://drone-pilot.blogspot.fr
lovegroove's Avatar
Rhone Alps, France
Joined Aug 2008
2,540 Posts
Quote:
Originally Posted by man2000me View Post
Do what your laws require...
Yep, break them!
lovegroove is offline Find More Posts by lovegroove
Reply With Quote
Old Mar 02, 2010, 04:47 PM
Registered User
cadders's Avatar
Joined Jul 2004
490 Posts
Ok, another question; what is the present record distance using 10mw? The "brochure" says it is safe to go 1.5 Km.
Cadders
cadders is online now Find More Posts by cadders
Reply With Quote
Old Mar 02, 2010, 05:17 PM
http://drone-pilot.blogspot.fr
lovegroove's Avatar
Rhone Alps, France
Joined Aug 2008
2,540 Posts
I would say that with antenna tracker, diversity and some high gain antennae ~14dbi you could probably get 2km+. I certainly haven't heard of people getting much further than that with 10mW.

There's a thread on here somewhere where someone was raving about getting 1.5km with 10mW and some of the sellers and manufacturers got involved with the discussion.
lovegroove is offline Find More Posts by lovegroove
Reply With Quote
Old Mar 02, 2010, 05:21 PM
http://drone-pilot.blogspot.fr
lovegroove's Avatar
Rhone Alps, France
Joined Aug 2008
2,540 Posts
here it is:

http://www.rcgroups.com/forums/showt...ighlight=1+5km
lovegroove is offline Find More Posts by lovegroove
Reply With Quote
Old Mar 02, 2010, 06:13 PM
Registered User
cadders's Avatar
Joined Jul 2004
490 Posts
Thanks for the link lovegroove. 2km is fine by me so I'm going to install the 10mw tx.
Cadders
cadders is online now Find More Posts by cadders
Reply With Quote
Old Mar 02, 2010, 06:16 PM
http://drone-pilot.blogspot.fr
lovegroove's Avatar
Rhone Alps, France
Joined Aug 2008
2,540 Posts
LOL, I tried to convince you to go 500mW and ended up convincing you that 10mW will work fine.
lovegroove is offline Find More Posts by lovegroove
Reply With Quote
Old Mar 02, 2010, 07:19 PM
Engineer for Christ
IBCrazy's Avatar
Amherst, VA
Joined Jun 2006
10,301 Posts
Although I fly 500 mW, I flew half a mile (~1km) way outside the beam of my patch antenna and still had good signal. 10 mW will be good for at least that far with a properly aimed directional antenna.
IBCrazy is offline Find More Posts by IBCrazy
RCG Plus Member
Old Mar 02, 2010, 08:04 PM
Team White Llama!
gundamnitpete's Avatar
Joined Jan 2008
8,144 Posts
I think with a proper setup 10mw is more the adequete for most fpv flying.

A nice patch helps too!
gundamnitpete is offline Find More Posts by gundamnitpete
Reply With Quote
Old Mar 02, 2010, 08:12 PM
Registered User
Ireland
Joined Apr 2001
4,027 Posts
It illegal to advice you to do something illegal.
What range do you look for ?
With proper recieving antenna you can get a reasonable range ; the moon missions did not have a powerfull transmitter just good reciever antenna.
cmulder is offline Find More Posts by cmulder
Reply With Quote
Old Mar 02, 2010, 08:15 PM
Registered User
Ireland
Joined Apr 2001
4,027 Posts
btw if you choose to break the law better do it right
http://www.inesun.com/show-3267,SR-3000mW.html
cmulder is offline Find More Posts by cmulder
Reply With Quote
Old Mar 02, 2010, 09:10 PM
I think my wheels fell off.
Thumb_number's Avatar
Perth
Joined Oct 2009
894 Posts
Quote:
Originally Posted by cmulder View Post
btw if you choose to break the law better do it right
http://www.inesun.com/show-3267,SR-3000mW.html
LOL That is so very cool
Thumb_number is offline Find More Posts by Thumb_number
Reply With Quote
Old Mar 05, 2010, 05:43 AM
Registered User
Joined Feb 2010
33 Posts
Maybe not the correct advice, but I'll go for the 500mW.

Not sure how quick the authorities are in the UK, but here in the Netherlands a FM Radio pirat could be in the air for a few weeks before he's taken out. That 1 hour in a week with a 500mW transmitter..... IMHO nobody is going to notice.
stevenf is offline Find More Posts by stevenf
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Question HAM License required for 10mW VTx in US of A? scrtsqrl FPV Talk 8 Jan 04, 2010 03:10 AM
Discussion need RV 900mhz 500mw VTX channel map Shift FPV Talk 0 Nov 27, 2009 09:57 AM
Discussion Spektrum AR6200 & 900mhz 500mw VTX Success or Problems? EyeFlyPlanes FPV Talk 53 Jan 10, 2009 11:12 AM
Discussion 10mW tx +500mW rx? damian123 FPV Talk 17 Jan 27, 2008 04:06 AM
Illegal aliens made legal? Arbo Life, The Universe, and Politics 87 Jan 10, 2004 07:06 PM