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

[k4cle at aol.com]

Make sure you have a DC voltage (3 or 5 volts depending on your antenna LNA  
requirements) on the center lead coax line.  Those old Rockwell receivers  
are slow to acquire sats compared to todays modern receivers so give it 15  
minutes or more when you have your setup with a good clear view of the sky.


Connected by DROID on Verizon Wireless

-----Original message-----
From: Don Lewis <dlewis6767 at austin.rr.com>
To: 'Discussion of precise time and frequency measurement'  
<time-nuts at febo.com>
Sent: Sat, Jan 7, 2012 00:24:28 GMT+00:00
Subject: [time-nuts] Getting my Rockwell D200 GPS to work

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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