[TenTec] HP GPS Receiver

[Eric F. Richards]

At 09:45 AM 6/20/2003 -0400, you wrote:
>Eric,
>
>Thanks - but does the antenna need a ground plane? I suspect it was designed
>to mount on a vehicle roof which would act as a GP. On the K8CU website, one
>person mentioned mounting in a pie plate or such.  I received no
>instructions with my antenna.

Hi, different Eric here...

As often is the case, it is a matter of RTing the FM.  The antenna is
a patch and shouldn't need a ground plane.  However, the GPS is designed
for fixed site operation, not mobile, so you have to manually command it
to do a sky survey:

         :PTIME:GPSYSTEM:POSITION:SURVEY ONCE

This is described on page 1-15.  Page 1-16 has some comments about dealing
with limited antenna exposure to the sky.

As for me... my antenna is INSIDE, and sits near a window.  It works
well enough that I have no plans to mount the antenna outside.

73,

Eric, KB0YDN



>73,
>Mark
>
>----- Original Message -----
>From: "Eric Scace K3NA" <eric at k3na.org>
>To: <tentec at contesting.com>
>Sent: Friday, June 20, 2003 9:15 AM
>Subject: RE: [TenTec] HP GPS Receiver
>
>
> > In most installations the hockey puck antenna is attached to the top of a
>stick/pipe/tube.  The antenna needs to be in a location
> > where it can see the maximum amount of sky.  Even tree foliage will block
>the GPS signals.
> >
> > 73,
> >    -- Eric K3NA
> >
> > -----Original Message-----
> > From: tentec-bounces at contesting.com
> > [mailto:tentec-bounces at contesting.com]On Behalf Of Mark Erbaugh
> > Sent: 2003 June 19 Thursday 23:25
> > To: tentec at contesting.com
> > Subject: Re: [TenTec] HP GPS Receiver
> >
> >
> > I got my Z3801 yesterday and checked it out.  How/where did you install
>the
> > antenna? I think I need to put the antenna on the roof so that the house
> > doesn't block the sky. For testing purposes I set the antenn in the front
> > yard (as far as the 20' cable would go) and it could only acquire 2
> > satellites, which isn't enough to do a survey and set the new position.
>Does
> > the antenna need to be mounted on a metal ground plane?
> >
> > 73,
> > Mark
> > ----- Original Message -----
> > From: "Carl Moreschi" <n4py at earthlink.net>
> > To: <tentec at contesting.com>
> > Sent: Thursday, June 19, 2003 19:44 PM
> > Subject: [TenTec] HP GPS Receiver
> >
> >
> > > I received my HP GPS receiver today.  I have it all installed.  I used
> > Jim's
> > > method to hook it up to the rs232 port to the computer and it works
>fine.
> > I
> > > now have a 10 mhz frequency standard that sets my rx340 exactly on
> > > frequency.
> > >
> > > My N4PY Orion Control Program is just about ready for prime time.  I
>have
> > it
> > > working with the remote tuning pod and things are looking great.
> > >
> > > Carl Moreschi N4PY
> > > Franklinton, NC
> > >
> > > _______________________________________________
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> > >
> >
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> >
> >
> >
> >
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> >
>
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--
Eric F. Richards
efricha at dimensional.com
"The weird part is that I can feel productive even when I'm doomed."
  - Dilbert