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Powerman Occasional Visitor
Joined: Apr 19, 2005 Posts: 5
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Posted: Thu Sep 07, 2006 7:14 pm Post subject: No Valid GPS Signal |
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Looking for fix for the following problem, if possible;-
Ipaq rx3715, BT 308 GPS, TTNav 5.210 withGPS driver v1.20.
Upgraded to above but unable to lock onto and get a signal in the "SHOW GPS STATUS" in TTN5, The bluetooth between PDA and GPS communicating ok.
In TTN "Specify GPS Hardware" yellow/blue disc spinning ok on the following settings. Baub rate = 34800, Bluetooth com port 6, on NMEA Device GPS and also on Other Bluetooth Device.
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trevor.dowle Lifetime Member
Joined: 16/06/2003 05:22:14 Posts: 412
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Posted: Sat Sep 09, 2006 12:19 pm Post subject: Re: No Valid GPS Signal |
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Powerman wrote: | Looking for fix for the following problem, if possible;-
Ipaq rx3715, BT 308 GPS, TTNav 5.210 withGPS driver v1.20.
Upgraded to above but unable to lock onto and get a signal in the "SHOW GPS STATUS" in TTN5, The bluetooth between PDA and GPS communicating ok.
In TTN "Specify GPS Hardware" yellow/blue disc spinning ok on the following settings. Baub rate = 34800, Bluetooth com port 6, on NMEA Device GPS and also on Other Bluetooth Device.
Thanks |
Similar problem to me, and I had a similar set-up.
I know its no help, but after 3 weeks I bought a TomTom One. I think it was the GPS going duff, as everything else worked OK.
I hope the cure is permanent. _________________ Regards
Trev Dowle
TomTom 730 T |
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philpugh Lifetime Member
Joined: Dec 28, 2005 Posts: 2003 Location: Antrobus, Cheshire
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Posted: Fri Sep 29, 2006 2:43 pm Post subject: |
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Before ditching the GPS unit.
I am assuming it worked OK before the upgrade to TT5.21
Do you see any signal strength meters in the TT GPS status screen at all?
If so - are they staying grey? Showing any meters means the GPS unit is 'seeing' satellites but may be having difficulties downloading the almanac data it will require to establish a fix.
Leave the unit on - outside with clear view of sky - for as long as possible - it can take a long time to get a lock in the (wrong) circumstances.
Try another bit of s/w. If you don't have any try OZIExplorerCE trial from www.oziexplorer.com and see if it communicates with your GPS - use the default world map - you are only interested in establishing correct communication.
Failing that go back to your working version of TT and see if it still works!
Phil |
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Powerman Occasional Visitor
Joined: Apr 19, 2005 Posts: 5
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Posted: Sat Sep 30, 2006 6:35 pm Post subject: No Signal |
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Managed to get GPS Working with help from Alan on this site. Problem was resolved by changing the signal from NMEA to Serif. Now working ok.
THANKS |
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Powerman Occasional Visitor
Joined: Apr 19, 2005 Posts: 5
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Posted: Sat Sep 30, 2006 6:38 pm Post subject: No Signal |
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Ooooops. Sorry wrong spelling "Sirf" signal |
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KenJ Occasional Visitor
Joined: Sep 01, 2004 Posts: 7
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Posted: Sun Oct 08, 2006 7:38 pm Post subject: |
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I have the same problem - how do you with between the two ? |
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mikealder Pocket GPS Moderator
Joined: Jan 14, 2005 Posts: 19638 Location: Blackpool , Lancs
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Posted: Sun Oct 08, 2006 7:42 pm Post subject: Re: No Signal |
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Powerman wrote: | Problem was resolved by changing the signal from NMEA to Serif. | I don't think the spelling is the issue, but could I point out that TTN5 will ONLY work with NMEA data, so you must have switched FROM SiRF to NMEA mode to get this working - Mike |
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