[OZAPRS] Uniden GPS301
Warren VK3BYD
vk3byd at wia.org.au
Mon Aug 8 08:40:00 EST 2005
Hi Gavin,
I may have missed something, but...
How are you telling the GPS you want 4800 instead of 9600 out?
73
Warren.
----- Original Message -----
From: "Gavin Rogers" <grogers at vk6hgr.echidna.id.au>
To: <ozaprs at marconi.ics.mq.edu.au>
Sent: Sunday, August 07, 2005 3:46 PM
Subject: RE: [OZAPRS] Uniden GPS301
> At 06:29 AM 7/08/2005, you wrote:
>
> >Hi Gavin,
> >
> >I'm assuming you are running Windows something.
> >
> >Try tuning off the FIFO buffer on the new laptops serial port.
> >Also check to see what com port number windows has allocated to your
serial
> >port.
> >
> >Does the GPS require some kind of prompt to turn on?
> >
>
> Hi Everyone.
>
> Thanks for the suggestions.
>
> I would be perfectly happy with 9600 baud output except for the
> TinyTracker3 only taking input at 4800 baud. I've used a few computers
now
> and the results are the same - perfect 9600 baud and garbled 4800 baud.
>
> The Uniden GPS301 is a Sony IPS GPS in a Uniden case and a LED display
to
> show waypoints, red light cameras etc. The IPS is directly addressable
> through the Uniden's serial port - i.e. I can issue @NC 00000000 and all
> the NMEA output switches off. This all works at 9600 but not at 4800.
The
> (little) information I can read about the IPS GPS is that it's serial
port
> speed is set with jumpers, so I'm assuming the GPS301 firmware takes
care
> of setting those.
>
> I don't have a CRO but can get my hands on one...
>
> I've emailed Uniden to see if they can confirm if 4800 baud output
should
> work properly. Perhaps mine is faulty? <shrug>
>
>
> 73
> Gavin.
>
> ---
> Gavin Rogers | Amateur radio station VK6HGR
> http://www.livingwaters.com/good | http://vk6hgr.ampr.org/
> ICQ: 17230395 MSN: VK6HGR Skype/Email:
grogers at vk6hgr.echidna.id.au
>
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