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Re: [gpsd-dev] gpsd-time-service-howto.txt and 3.11
From: |
Hal Murray |
Subject: |
Re: [gpsd-dev] gpsd-time-service-howto.txt and 3.11 |
Date: |
Wed, 20 Aug 2014 16:20:26 -0700 |
address@hidden said:
> I'm looking at an NMEA mode gpsmon now. I see a UTC time in the Cooked PVT
> box, a PPS offset in the GSA + PPS box, and two time entries in the RMC and
> GGA boxes. What do you mean by "offset time" that none of these covers?
> Now I'm looking at SiRF mode. There's a UTC time entry in the top box and a
> GPS time entry in the window for Packet 7. What else do you want, exactly?
> I am not getting anything definite from "serial (non-PPS) offset".
Sorry I wasn't clear.
I'm looking for the same info that goes into the non-PPS SHM slot - the
offset between the time the packet arrived and the time in the packet.
If I give you a screen shot of gpsmon watching a unit without PPS, can you
tell me how far off the system clock was?
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