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Re: GPSD doesn't report signal dropout


From: Gary E. Miller
Subject: Re: GPSD doesn't report signal dropout
Date: Mon, 12 Oct 2020 15:48:56 -0700

Yo Tom!

On Tue, 13 Oct 2020 10:06:15 +1300
Tom Isaacson <tom.isaacson@teknique.com> wrote:

> Sorry, I only just got a chance to try this.
> 
> It's definitely improved - now when I disconnect the antenna I get:
> gpsd_data->fix.mode:         1 MODE_NO_FIX
> gpsd_data->fix.status:       1 STATUS_FIX
> gpsd_data->fix.time:         0.000000000
> gpsd_data->fix.latitude:     nan
> gpsd_data->fix.longitude:    nan
> 
> I'd still expect fix.status to be 0 (STATUS_NO_FIX)? Or am I
> misunderstanding this?

Why do you care about fix.status when you have no fix?  Would you also
care about the lat/lon with no fix?

gpsd give you many validity flags, use them.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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