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Re: [gpsd-users] Get fix mode with disconnect antenna

From: Gary E. Miller
Subject: Re: [gpsd-users] Get fix mode with disconnect antenna
Date: Mon, 18 Nov 2013 23:21:24 -0800

Yo Yakov!

On Tue, 19 Nov 2013 08:15:15 +0200
Yakov Shmulevich <address@hidden> wrote:

> You don't understand me, I disconnect the antenna, so at this time
> the PVT data by sure changed.

Are you sure?  Do you see that in the debug output?  Most GPS will
just stop sending anything when they lose the antenna.

> But I got the data as before disconnecting antenna, include
> gpsdata.fix.mod=MODE_3D.

Is so, we need to see some debug output to see what is happening.

> I found the workaround, but it seems me very ugly.
> Now every time that I want to get PVT data, I open the session by
> gps_open(), and after I get the PVT data I close the session by
> gps_close(). Also this solution have some strange behavior - I found
> that after gps_open() I get right PVT data only after 3-5 gps_read().

Sounds like you are not starting gpsd with -n.  Can you confirm how you
are starting gpsd?

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588

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