Current GPS Satellite Data -- Document last modified Monday, 17-Oct-05 13:38:47

Ref: http://earth-info.nima.mil/GandG/sathtml/satinfo.html
     http://earth-info.nima.mil/GandG/sathtml/gpsdoc2002.01.txt

 U N C L A S S I F I E D

           A       B       C       D       E       F
        +-------+-------+-------+-------+-------+-------+
     1  | 09/39 | 16/56 | 06/36 | 02/61 | 20/51 | 14/41 |
        +-------+-------+-------+-------+-------+-------+
     2  | 25/25 | 30/30 | 03/33 | 11/46 | 22/47 | 26/26 |
        +-------+-------+-------+-------+-------+-------+
     3  | 08/38 | 28/44 | 19/59 | 21/45 | 10/40 | 13/43 |
        +-------+-------+-------+-------+-------+-------+
     4  | 27/27 | 05/35 | 17/53 | 04/34 | 18/54 | 23/60 |
        +-------+-------+-------+-------+-------+-------+
     5  |       |       | 31/31 | 15/15 |       | 29/29 |
        +-------+-------+-------+-------+-------+-------+
     6  |       |       | 07/37 |       |       | 01/32<-- on last clock
        +-------+-------+-------+-------+-------+-------+
     7  |       |       |       | 24/24 |       |       |
        +-------+-------+-------+-------+-------+-------+


Current GPS Satellite Data -- Document last modified Monday, 17-Oct-05 13:38:47


The following satellite information is provided by the National Geospatial-Intelligence
Agency (NGA) GPS Ephemeris and Analysis Team.  This information is supplied for all who
have an interest in GPS.  For more satellite/station information, see the latest documentation
on the NGA Satellite Home Page, <A HREF="http://164.214.2.59/GandG/sathtml/gpsdoc2005_10a.html";>October 2005</A>.


Satellite         Freq.
 PRN/SVN   Plane  Std #  Block   Comments
---------+-------+-----+----------+-----------------------------------------------------
  01/32     F6     Cs3    IIA      On last clock...
  02/61     D1     Rb3    IIR
  03/33     C2     Cs3    IIA
  04/34     D4     Rb1    IIA
  05/35     B4     Cs4    IIA      Clock swap, 8 October 2003, from Rb2 to Cs4...
  06/36     C1     Rb1    IIA      Clock swap, 19 March 2004, from Cs3 to Rb1...
  07/37     C6     Rb1    IIA
  08/38     A3     Cs3    IIA      Clock swap, 07 May 2004, from Rb2 to Cs3...
  09/39     A1     Cs3    IIA
  10/40     E3     Cs4    IIA
  11/46     D2     Rb1    IIR
  12/--
  13/43     F3     Rb1    IIR
  14/41     F1     Rb1    IIR
 >15/15^<   D5     Cs4    II       +Experiencing reaction wheel problems in eclipse...
                                    ???rapidly approaching end-of-life???...since being
                                    placed in AMMM (Mode 5), PRN15 has been working
                                    quite well...
  16/56     B1     Rb3    IIR
  17/53     C4     Rb3    IIR-M1   Launched: 25 September 2005 (11:37L)...Set HEALTHY???
  18/54     E4     Rb1    IIR
  19/59     C3     Rb3    IIR
  20/51     E1     Rb1    IIR
  21/45     D3     Rb3    IIR
  22/47     E2     Rb3    IIR
  23/60     F4     Rb2    IIR
  24/24^    D7     Cs4    IIA      Placed in AMMM (Mode 5) on 4 January 2005...
  25/25     A2     Cs3    IIA
  26/26     F2     Rb1    IIA
  27/27     A4     Cs4    IIA      Clock swap, 20 May 2005, from Rb1 to Cs4...
  28/44     B3     Rb2    IIR
  29/29*    F5     Rb1    IIA      Allowing to 'drift continuously' to new F5 position
                                    to place SVN41 in F1 slot (GLAN 53 degrees)...
  30/30     B2     Rb2    IIA
  31/31     C5     Cs3    IIA      Clock swap, 24 June 2005, from Rb1 to Cs3...
                                    Set Unhealthy for Observation on Day 104 (2005)...
                                    PRN31 is now considered 'dead'...
---------+-------+-----+----------+-----------------------------------------------------
---------+-------+-----+----------+-----------------------------------------------------

Satellite         Freq.
 PRN/SVN   Plane  Std #  Block
---------+-------+-----+----------+------Recent-Decommissionings------------------------
  17/17                   II       >>>Decommissioned on 22 February 2005<<<
  23/23                   IIA      >>>Decommissioned on 13 February 2004<<<
  02/13                   II       >>>Decommissioned on 12 May 2004<<<

---------+-------+-----+----------+------Unfortunate-Happenings-------------------------
  12/42     --     ---    IIR      Destroyed during Launch (1997)
  20/50     --     ---    IIR      Moisture Seepage at Pre-Launch (1999): Got Wet (DNL)

---------+-------+-----+----------+-Scheduled-Upcoming-Launches-------------------------
  15/55    ?A2?    Rb?  IIR-15/M2  Launch Date: TBD...late 2005/early 2006...
  ??/57     ??     Rb?  IIR-16/M3  Launch Date: TBD...April 2006...???tenetatively???
  ??/58     ??     Rb?  IIR-17/M4  Launch Date: TBD...July 2006...???tentatively???
---------+-------+-----+-------+--------------------------------------------------------


   * 3 Wheel Vehicles/Autonomous Momentum Dumps at 0.2 or 0.8 sec.
  ** Pitch, Roll, P&R at 0.4, 1.6, and 1.6+ sec (manual momentum dumps)
   ^ AMMM - Autonomous Magnetic Momentum Management (Mode 5)
   + Experiences glint firings prior to and after eclipse season...glint firings are
      due to sunlight entering/disorienting sensors causing small thrusts
 >##< Satellite having ??serious?? problems...may not be long before non-operational
  DNL - Did Not Launch
  GLAN - Geographic Longitude of the Ascending Node
  UFN - Until Further Notice
  NET - No Earlier Than
-------------------------------------------------------------------------------------

  For civilian information, contact the United States Coast Guard (NAVCEN) at
    (703)313-5900, 24 hours daily, or go to their web-site at:
       <A HREF="http://www.navcen.uscg.gov";>http://www.navcen.uscg.gov</A>
  For military information, contact the GPS Support Center, 2SOPS, Schriever Air
    Force Base, Colorado, at (719)567-2541 or DSN 560-2541, GPS@xxxxxxxxxxxxxxxxx

The following (supplemental) satellite information is provided by the National
Geospatial-Intelligence Agency (NGA) GPS Ephemeis and AnalysisSatellite Geodesy
Team.  This information is supplied as a supplement to the 'Current GPS Satellite
Data' page <A HREF="http://164.214.2.59/GandG/sathtml/satinfo.html";>Summary</A>.
This supplemental information covers active satellite launch dates, dates of
last clock swap, and other info.

                                                          Date of
Satellite         Freq.                               Last Clock Swap
 PRN/SVN   Plane  Std #  Block      Launch Date       (or Set Healthy)   Other Info
---------+-------+-----+-------+-------------------+-------------------+------------------
  01/32     F6     Cs3    IIA    22 November 1992    20 August 1996
  02/61     D1     Rb3    IIR    06 November 2004    22 November 2004
  03/33     C2     Cs3    IIA    27 March 1996       05 April 1996
  04/34     D4     Rb1    IIA    26 October 1993     14 September 1998
  05/35     B4     Cs4    IIA    30 August 1993      08 October 2003
  06/36     C1     Rb1    IIA    10 March 1994       19 March 2004
  07/37     C6     Rb1    IIA    13 May 1993         20 April 1999
  08/38     A3     Cs3    IIA    06 November 1997    07 May 2004
  09/39     A1     Cs3    IIA    26 June 1993        06 July 1993
  10/40     E3     Cs4    IIA    17 July 1996        28 November 1996
  11/46     D2     Rb1    IIR    07 October 1999     21 December 1999
  12/--
  13/43     F3     Rb1    IIR    23 July 1997        26 September 1997
  14/41     F1     Rb1    IIR    10 November 2000    15 November 2000
  15/15     D5     Cs4    II     01 October 1990     10 November 1992
  16/56     B1     Rb3    IIR    29 January 2003     18 February 2003
  17/53     C4     Rb3   IIR-M1  25 September 2005   ??  ??
  18/54     E4     Rb1    IIR    30 January 2001     07 February 2001
  19/59     C3     Rb3    IIR    20 March 2004       05 April 2004
  20/51     E1     Rb1    IIR    10 May 2000         17 May 2000
  21/45     D3     Rb3    IIR    31 March 2003       11 April 2003
  22/47     E2     Rb3    IIR    21 December 2003    12 January 2004
  23/60     F4     Rb2    IIR    23 June 2004        09 July 2004
  24/24     D7     Cs4    IIA    03 July 1991        07 September 2000
  25/25     A2     Cs3    IIA    23 February 1992    10 January 1995
  26/26     F2     Rb1    IIA    07 July 1992        10 March 1998
  27/27     A4     Cs4    IIA    09 September 1992   20 May 2005
  28/44     B3     Rb2    IIR    16 July 2000        10 August 2000
  29/29     F5     Rb1    IIA    18 December 1992    22 May 1997
  30/30     B2     Rb2    IIA    12 September 1996   29 August 2001
  31/31     C5     Cs3    IIA    30 March 1993       24 June 2005
---------+-------+-----+-------+-----------------------------------------------------
---------+-------+-----+-------+-----------------------------------------------------
  UFN - until further notice
  NET - No Earlier Than

  For civilian information, contact the United States Coast Guard (NAVCEN) at
    (703)313-5900, 24 hours daily, or go to their web-site at:
       <A HREF="http://www.navcen.uscg.gov";>http://www.navcen.uscg.gov</A>
  For military information, contact the GPS Support Center, 2SOPS, Schriever Air
    Force Base, Colorado, at (719)567-2541 or DSN 560-2541, GPS@xxxxxxxxxxxxxxxxx
.

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