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[IGSMAIL-5921]: IIR-20/M7 launches tomorrow



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IGS Electronic Mail      23 Mar 05:18:22 PDT 2009      Message Number 5921
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Author: Jim Ray (forward of Richard Langley message)


In addition to the launch of SVN49/PRN01 on Tuesday (see below), SVN35/PRN05 is scheduled to be unusable starting on Thursday. This is one of two GPS satellites with laser retroreflectors:

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009020 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
SVN35 (PRN05) FORECAST OUTAGE ON JDAY 085/1300Z UNTIL FURTHER NOTICE.
GPS SATELLITE SVN35 (PRN05) WILL BE UNUSABLE NO EARLIER THAN JDAY 085
(26 MAR 2009) BEGINNING 1300Z UNTIL FURTHER NOTICE.
*** GENERAL MESSAGE TO ALL GPS USERS ***


-------- Original Message -------- Subject: Next GPS Satellite Launch Tuesday Date: Sat, 21 Mar 2009 10:46:51 -0300 From: Richard B. Langley <lang @ UNB.CA>

The GPS Block IIR-20/M7 satellite is scheduled to be launched
from Cape Canaveral on Tuesday, 24 March. The launch window
extends from 08:34 to 08:49 UTC (4:34-4:49 a.m. EDT). This
satellite, also know as SVN 49, will use PRN codes 01 and
reportedly will be inserted into Plane B, orbital slot 2. This
slot is currently occupied by SNV30/PRN30, which likely will
be rephased. SNV30/PRN30 was launched in 1996.

SVN49/PRN01 carries a demonstration L5 payload in addition to
the standard modified Block IIR navigation payload.

The launch may be seen live here: <http://www.ulalaunch.com/index_webcast.html>.

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 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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