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Thread: big issue getting GPS lock on naza v2 with Tbs tuned Lawmate tx 2.4

  1. #1
    Navigator Manu589's Avatar
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    big issue getting GPS lock on naza v2 with Tbs tuned Lawmate tx 2.4

    Hi everybody I've beed searching and haven't found an answer to my problem

    i have a naza v2 updated with latest firmware it flies grate in atti and manual but i never get gps lock if i engage gps mode its like I'm still in atti and it blinks red 3 times and then 1 green the best i ever seen it was 1 red 1 green but only for some seconds and that was with the rubber ducky if i use circular polarized antennas gps lock is a no-go and I've tried this in several locations and different days just in case it was the weather I'm a bit frustrated and hope you guys could help me


    Thanks a lot in advance

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    Quote Originally Posted by Manu589 View Post
    Hi everybody I've beed searching and haven't found an answer to my problem

    i have a naza v2 updated with latest firmware it flies grate in atti and manual but i never get gps lock if i engage gps mode its like I'm still in atti and it blinks red 3 times and then 1 green the best i ever seen it was 1 red 1 green but only for some seconds and that was with the rubber ducky if i use circular polarized antennas gps lock is a no-go and I've tried this in several locations and different days just in case it was the weather I'm a bit frustrated and hope you guys could help me


    Thanks a lot in advance
    Have you tried to get a lock with the video tx turned off

  3. #3
    Navigator Manu589's Avatar
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    Yes forgot to put it up there with tx off it works perfectly if i use a ruber duky it starts to not work with circular polarized its bye bye no GPS

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    Navigator Manu589's Avatar
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    ohh and i was using this naza before with immersion rc 5.8ghz 600mw and the gps worked perfectly i just recently changed to 2.4ghz (tbs tuned lawmate tx) and since day one i was having problems with the gps

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    Navigator Manu589's Avatar
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    No body???

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    Pilot rlage's Avatar
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    Do you have the GPS post installed ?
    *** youtube.com/user/rlage3/videos ***
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    Navigator Manu589's Avatar
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    Yes And the vtx on the tbs vtx mount

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    Pilot rlage's Avatar
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    Quote Originally Posted by Manu589 View Post
    Yes And the vtx on the tbs vtx mount
    Try to troubleshoot the problem.

    1 - For instance unplug the vtx and check if you have a GPS lock.

    2 - Also you could set your uhf transmitter to range test mode.

    3 - move the vtx to other position.

    As i remember gps uses frequencies of 1.2 and 1.5 Ghz so the 2.4Ghz of the vtx should not to be a problem, but of course on the 5.8Ghz you have more clearance.
    Last edited by rlage; 24th August 2013 at 11:42 AM.
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  9. #9
    Navigator Manu589's Avatar
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    I've tested it without vtx I get GPS lock no problem I also placed the vtx on top of the fpv cam same issue the funny thing is that with the quad siting on the flor it may get a little bit of signal say 1 green blink 2 red and as we'll only 1 red blink but at the moment I take off its al gone 1 green 3 red land again after like 2 minutes it starts to get a little bit of lock but GPS mode doesent work I even unplugged my ezuhf and same result (just siting on the flor no flying)

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