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Re: [gpsd-users] In which GR-601 does not equal GR-601W

From: Gary E. Miller
Subject: Re: [gpsd-users] In which GR-601 does not equal GR-601W
Date: Wed, 27 Jul 2016 12:12:30 -0700

Yo Phil!

On Tue, 26 Jul 2016 12:03:58 -0400
Phil Stracchino <address@hidden> wrote:

> I've been trying for several years now to get my hands on a Navisys
> GR-601W GPS receiver to use as a stratum-0 NTP reference clock.  I
> recently had my third failed attempt - I bought what an Etsy seller
> listed as a GR-601W, but was actually a GR-601 (with usb-serial
> interface rather than direct USB, and no PPS signal), and the seller
> has not thus far responded to contact attempts via Etsy to resolve
> the issue.

I think there is a misunderstanding here.  The ONLY difference between
a GR-601 and a GR-601W is the addition of ONE patch wire.  Sadly
the OEM vendor did not even change the model number on the label.

There is NO other difference, so do not expect any other differences.

> Does anyone on this list know of an ACTUAL source for an ACTUAL
> GR-601W?

I have several left, but I suspect that you already have one.

Have you tried this:
        # killall -9 gpsd
        # gpsmon /dev/ttyUSB0

Then verified that you have a 3D fix, and PPS is shown in the lower

The first fix can take up to 30 minutes, and may never happen indoors.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

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