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)
nothing has changed in my system...same location, same hardware, same everything.....
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.
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.
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.
Hmmm...garlic cloves and Holy water perhaps?
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.
Is the gps receiver connected to the pc through a hub? if yes, the hub may be the guilty one.
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.
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)
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