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Transit, or the U.S. Navy Navigation Satellite System (NNSS) was
decommissioned in 1996. However, the system was converted over to the Navy
Ionospheric Monitoring System (NIMS). The satellites continue to transmit
their 150 and 400 MHz signals albeit with a different "proprietary" signal
format. For further information, see:



And, for some recent observational results, see, for example,

-- Richard Langley
   Professor of Geodesy and Precision Navigation

On Fri, 26 Dec 2003, Brooke Clarke wrote:

>Hi:
>
>I recently got a Transit Satellite receiver, a Magnavox MX 4102, mostly
>out of a curiousity.
>I know the Transis system was shut down a number of years ago, but was
>wondering if there are still any satellites that are operational?
>
>On my web page for the MX 4102 there is a link to the Johns Hopkins
>Applied Physics Lab web site for Transit with a number of interesting
>papers about transit and a short paper by Dava Sobel.
>http://www.pacificsites.com/~brooke/90BA.shtml
>
>Happy Holidays,
>
>Brooke Clarke, N6GCE
>http://www.PRC68.com
>


===============================================================================
 Richard B. Langley                            E-mail: lang@unb.ca
 Geodetic Research Laboratory                  Web: http://www.unb.ca/GGE/
 Dept. of Geodesy and Geomatics Engineering    Phone:    +1 506 453-5142
 University of New Brunswick                   Fax:      +1 506 453-4943
 Fredericton, N.B., Canada  E3B 5A3
     Fredericton?  Where's that?  See: http://www.city.fredericton.nb.ca/
===============================================================================

   

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