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Thread: Does anybody have G4 on a test bench for a little experiment?

  1. #1
    Constant Bitrate
    Join Date
    Apr 2007
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    Moscow, Russia
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    125

    Does anybody have G4 on a test bench for a little experiment?

    I've got a replacement for my faulty G4 and everything is ok except sometimes GPS just wouldn't work - there's just no data stream coming from it. I think it might be a case of bad contact somewhere in the antenna cable. To verify this I need to check what the G4 GPS would do with antenna unplugged, but checking it on my own G4 would mean taking a half of my car apart...

    Could anyone with a G4 rear surface accessible try unplugging the GPS antenna, reboot it and see what happens on the COM1 port: no NMEA at all or NMEA sequences as usual?

    Thanks in advance,
    Andrei

  2. #2
    Low Bitrate
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    Apr 2007
    Location
    NE ITALY (near Venice)
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    69
    hi marassa, I have tryed to unplug the gps and I don't have any gps signal, please make more attenction because if you have a shield in the glass of car some signal can't arrive to gps, try to mount your gps antenna out of the car and in a free space.
    hi

  3. #3
    Constant Bitrate
    Join Date
    Apr 2007
    Location
    Moscow, Russia
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    125
    Thanks mate, I will need to re-check my antenna cable then.

    Quote Originally Posted by giannidsg View Post
    please make more attenction because if you have a shield in the glass of car some signal can't arrive to gps, try to mount your gps antenna out of the car and in a free space.
    No, this cannot be the case, because most of the time the GPS works perfectly but sometimes it just wouldn't work at all, and I don't mean "no fix", I mean "no NMEA data stream whatsoever".

  4. #4
    Newbie
    Join Date
    Jun 2007
    Posts
    25
    I have a similar problem with finding satellites--I often get the 'Low GPS Signal' (or something like that). I have found, with great consistency, that if I load the GPS satellite module--the one that shows how many satellites are in view--first, then go back to the 'Navigation' menu, things work again.

    Not sure if this will be of any help for you, but it seems to be a consistent fix for me.

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