Subject: [SLR-Mail] No. 1240: Start of Gravity Probe-B SLR Operations
From: Mike Pearlman, Julie Horvath <Horvath, Julie E. <Julie.Horvath@honeywell-tsi.com>>

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SLR Electronic Mail          2004-07-21 23:58:00 UTC           Message No. 1240 
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Author:  Mike Pearlman, Julie Horvath
Subject: Start of Gravity Probe-B SLR Operations

To the ILRS Stations: 

The GP-B satellite orbit is now being stabilized. The mission expects to be ready for SLR tracking by next Thursday, July 29. Viewing tables should be issued on July 27. These tables will tell you when the satellite is in view with the retros pointing at
your station. The viewing tables will be sent to you weekly by email. They will also be available at the prediction ftp site. Predictions will be issued by HTSI through the normal channels. Since the satellite has on-board drag compensation, the
predictions should be very good.  The GP-B satellite priority will be set at #3, below CHAMP and above GFO-1.

Your support is very important for this mission. We also need your feedback on any tracking issues and problems. 

Regards,


Mike Pearlman/ILRS CB
Julie Horvath/HTSI, NASA SLR 


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From: &#8221;Horvath, Julie E.&#8221; <Julie.Horvath@honeywell-tsi.com> 

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