Current GPS Satellite Data




The following satellite information is provided by the National Geospatial-Intelligence 
Agency (NGA) GPS Division.  This information is supplied for all who have an interest in GPS.  
For more satellite/station information, see the latest documentation on the NGA GPS Document
Page, July 2011.

    
Satellite         Freq.         
 PRN/SVN   Plane  Std #  Block   Comments
---------+-------+-----+----------+-------------------------------------------------------------
  01/63     D2     Rb1    IIF-2    Launched: 16 July 2011...Clock swap, 05 October 2011, 
   ---                              from Cs3 to Rb1...set healthy 14 October 2011...
  02/61     D1     Rb1     IIR      
  03/33     C2     Cs4     IIA      
  04/34     D4     Rb1     IIA
  05/50     E3     Rb1  IIR-21/M8  
  06/36     C5     Rb1     IIA      
  07/48     A4     Rb3  IIR-19/M6
  08/38     A3     Cs4     IIA     
  09/39     A1     Cs4	   IIA
  10/40     E3     Cs3     IIA     
  11/46     D5     Rb1     IIR      
  12/58     B4     Rb3  IIR-16/M3    
  13/43     F3     Rb1     IIR      
  14/41     F1     Rb1     IIR 
  15/55     F2     Rb3  IIR-17/M4
  16/56     B1     Rb3     IIR      
  17/53     C4     Rb3  IIR-14/M1    
  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      
   ---      
  25/62     B2     Rb1    IIF-1    Launched 28 May 2010...Clock swap, 12 July 2010,
   ---                              from Cs3 to Rb1...Set healthy 27 August 2010...
  26/26     F5     Rb1     IIA      
  27/27     A6     Cs4     IIA     >>>Decommissioned on 10 August 2011<<<
   ---                              ReSet Healthy for All Users 16 December 2011...
  28/44     B3     Rb2     IIR
  29/57     C1     Rb3  IIR-18/M5
  30/35     B5     RB1     IIA     Now transmitting L-Band...05 August 2011...
   ---                              Note Recent-Decommissionings below...
   ---                              Re-set healthy on 16 August 2011...note NANU 2011061...
  31/52     A2     Rb3  IIR-15/M2    
  32/23     E5     Rb2     IIA     Old PRN23/SVN23...Reinstatement on 27 June 2007...

---------+-------+-----+----------+-------------------------------------------------------------
------------------------------------------------------------------------------------------------

Satellite         Freq.         
 PRN/SVN   Plane  Std #  Block   
---------+-------+-----+----------+-Scheduled-Upcoming-Launches---------------------------------
  01/63     D2     Cs3    IIF-2    Launched: 16 July 2011...


---------+-------+-----+----------+------Recent-Decommissionings--------------------------------
  01/35     B5     RB1     IIA     >>>Not Transmitting L-Band as of 12 July 2011<<<
   ---                                PRN30 is now SVN35...  
   ---                                ------------------------------
  24/24     D5     Cs4     IIA     >>>Decommissioned on 04 November 2011<<<
  30/30     B5     Cs3     IIA     >>>Decommissioned on 20 July 2011<<<
  01/49     B6     Rb2  IIR-20/M7  >>>Decommissioned on 06 May 2011<<<
  25/35     B5     Rb1     IIA     >>>Decommissioned on 01 March 2010<<<
  25/25     A5     Rb1     IIA     >>>Decommissioned on 18 December 2009<<<
  05/35     B5     Rb1     IIA     >>>Decommissioned on 26 March 2009<<<

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

---------+-------+-----+----------+-------------------------------------------------------------
------------------------------------------------------------------------------------------------

   * 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
  TBD - To Be Determined
------------------------------------------------------------------------------------------------

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

  Additional link(s):

Schriever AFB GPS Aerospace GPS


Point of Contact: GPS Division
Phone Numbers:
  Com. (314)676-9142
  DSN 846-9142
Email: gps@nga.mil

Document last modified Tuesday, 20-Dec-2011 12:12:44 EST