[time-nuts] Getting my Rockwell D200 GPS to work

Don Lewis dlewis6767 at austin.rr.com
Sat Jan 7 00:54:21 UTC 2012


Maybe I didn't take positioning seriously.  

The antenna is currently on a shelf above my workbench, ....there is a
ceiling and an upstairs above it. Then the roof.  

Is it very critical to be outside in order to 'see' the sky?  

I did take it out once and set the antenna on my car roof, ....but still no
satellites.


-Don





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-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of bownes
Sent: Friday, January 06, 2012 6:49 PM
To: Discussion of precise time and frequency measurement
Cc: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Getting my Rockwell D200 GPS to work

Step one...is the antenna in a location where it can see they sky?

Sorry if it is a stupid question but you already said it was plugged in. :)



On Jan 6, 2012, at 19:24, "Don Lewis" <dlewis6767 at austin.rr.com> wrote:

> Can someone please give me some pointers (my first time with a GPS
module).
> 
> 
> 
> A little hand-holding, pls.
> 
> 
> 
> I bought three of these Rockwell D200 GPS receivers. (It's little GPS PWB
> with an antenna connector and pins for connecting to the RS232- PC)
> 
> 
> 
> All three 'appear' to work the same way (no apparent capture of
satellites).
> 
> 
> 
> Here's what I have:
> 
> 
> 
> 1.    VisualGPS installed and running.
> 2.    A small USB-RS232 card installed and appears to be operational.
> 3.    Small GPS active antenna plugged in.
> 4.    VisualGPS monitor just repeatedly displays:
> $GPGGA,,,,,,0,00,,,,,,,*66
> 5.    I think I understand this to be NMEA code to mean no satellites have
> been acquired.
> 6.    The Rockwell D200 draws ~180ma (5V) with no antenna and ~190ma with
> the small active antenna plugged in.
> 
> 
> 
> What am I doing wrong?  Other than maybe cheap china gps' and antenna???
> But it is what I could afford and thought it would be cheap to learn on.
> 
> 
> 
> Thanks for your help.
> 
> 
> 
> -Don
> 
> 
> 
> 
> 
> 
> 
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