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Thread: GPS Lock Problems

  1. #1
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    GPS Lock Problems

    Ive had a carPC with GPS in my truck since 2002, so I am quite experienced in the subject

    but recently, my GPS will not lock regularly...sometimes it does, sometimes it doesn't.

    Im currently using a BU-353 that has been in service for almost 4 years. I thought maybe it was just old, so I got a new one (not a 353, but one a friend bought several years back but never implemented)

    same problem...

    nothing has changed in my system...same location, same hardware, same everything.....

    ideas?
    G945GLCF2 | 512MB RAM | 160GB HD | Holux GPS w/ Routis | XMPCR w/ TOSLINK mod | Audigy 2 NX | | Xenarc 700TSV |Opus 150W PSU.

  2. #2
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    I was disappointed with my BU-353 when first purchased, it wouldn't lock on, this was in terrible weather however. I found that I needed to drive to a sunny open sky to lock on and I've not had any further problems since.

  3. #3
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    VegasGuy's Avatar
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    Does it happen everywhere, or only at home when you start the vehicle? Maybe something in the immediate environment is causing interference. Also less obvious stuff in the vehicle like a new smartphone or some other portable electronic device.

  4. #4
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    Anywhere, really.

    Sometimes the GPS locks, then just quits on me....to come back later..

    Sometimes the GPS will take HOURS to lock, other times it locks in under 1 minute.

    Same cell phone I've use for over a year.

    So strange!
    G945GLCF2 | 512MB RAM | 160GB HD | Holux GPS w/ Routis | XMPCR w/ TOSLINK mod | Audigy 2 NX | | Xenarc 700TSV |Opus 150W PSU.

  5. #5
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    VegasGuy's Avatar
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    Hmmm...garlic cloves and Holy water perhaps?

  6. #6
    Maximum Bitrate Mickz's Avatar
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    Just a thought, could be a connection or earth has changed in the Car PC installation. You could try checking every ground connection or plug the GPS into a laptop or borrow a stand alone GPS and see what happens to the GPS signal when you power UP/Down the Car PC.
    GA-Z77N-WIFI, i5-2400S, 8GB, Intel 520 128GB SSD, M4-ATX Modified, 2 Rev Cams, 2 Web Cams
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  7. #7
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    Is the gps receiver connected to the pc through a hub? if yes, the hub may be the guilty one.

  8. #8
    Variable Bitrate chris350's Avatar
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    I have this same issue. Worked fine in my last car but here in my new car I have intermittent lock. Two days ago I was on the highway and going to my destination it worked fine. Coming back it kept loosing lock and think i was off the road. I don't know what's going on with this thing. W7 machine.
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  9. #9
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    Try having it on a meteal surface if possible.

    They have a backup battery, which after a while dies. This is used to store the last location so that when you start again it doesn't have to go search the whole sky again. There should be a thread on this issue. (although it was based on the older BU-3xx)

  10. #10
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    Try in the bios if you have the antispread and put they "on" in the cpu, ram and bus, I have had the same problem and now is all ok, when I turn on my pc the gps is ok
    chris350 likes this.

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