NOAA Office of Satellite and Product Operations

NOAA 18 COMM Subsystem Summary

Component Description Status
BTX 1 Beacon Transmitter #1 (137.35MHz) Green
BTX 2 Beacon Transmitter #2 (137.77MHz) Green
STX1 S-Band Transmitter #1 (1698MHz) Green
STX2 S-Band Transmitter #2 (1702.5MHz) Green
STX3 S-Band Transmitter #3 (1707MHz) Green
STX4 S-Band Transmitter #4 (2247.5MHz) Green
VTX1 VHF Transmitter #1 (137.10MHz) Green
VTX2 VHF Transmitter #2 (137.9125MHz) Green

Subsystem History:

Date Time Component Description
01/03/2013 14:13:46   Once verified that macro 13 was activated, send the following command to deativate macro 15
06/28/2010 18:57:00 STX4 STX4 turned off to conclude NOAA-18 McMurdo telemetry reception and command test in preparation for upcoming NOAA-18 MIMU tests.
06/03/2010 19:22:30 STX4 NOAA-18's STX4 was activated and configured for AIP data over McMurdo on JDay 144 from ~14:00-21:00 UTC for proficiency testing in preparation of NOAA-18's upcoming MIMU testing.
11/10/2009 00:39:20 STX3 Config STX3 & HRPT
11/10/2009 00:39:20 STX1 Clear STX1 Config
11/10/2009 00:39:20 STX1 Config STX1 and DDR3
11/10/2009 00:39:20 STX3 Turn on STX3
11/10/2009 00:39:20 STX3 Clear STX3 Config
08/18/2009 00:20:20 STX2 Config STX2 to HRPT
06/23/2009 18:53:54 VTX1 Turns off VTX1
06/23/2009 15:54:08 VTX2 Turns on VTX2
01/23/2009 00:00:00 STX4 Configures STX4 for TIP.
01/23/2009 00:00:00 STX4 Configures for TIP byphase.
01/23/2009 00:00:00 STX4 Turn STX4 on.
01/15/2009 00:00:00 STX4 Configures for TIP byphase.
01/15/2009 00:00:00 STX4 Turn STX4 on.
01/15/2009 00:00:00 STX4 Configures STX4 for TIP.
07/05/2007 16:39:30 STX4 Turns on STX4, then configures it for HRPT, then AIP, and then finally deconfigures STX4 and turns it off.
05/10/2007 14:57:50 VTX2 Turn VTX 2 on
05/10/2007 14:55:50 BTX 1 Turn BTX1 on
05/10/2007 14:51:38 BTX 2 Turn BTX 2 on
05/10/2007 14:51:38 BTX 2 Turn on BTX2 for HIRS test
05/10/2007 14:51:24 VTX2 Turn VTX 2 off for HIRS test
05/10/2007 14:51:00 BTX 1 Turn VXT 2 off, wait 10 seconds, turn BTX 2 on, wait 2 minutes, turn BTX 2 off, wait 2 minutes, turn BTX1 on, wait 2 minutes, turn VTX 2 on, wait 10 seconds, HIRS to full scan mode
05/10/2007 13:19:17 VTX2 Turn VTX 2 on for HIRS test
05/10/2007 13:19:04 VTX1 Turn VTX 1 off for HIRS test
05/10/2007 13:17:00 VTX1 Turn VTX 1 on for HIRS test
05/10/2007 13:14:56 BTX 1 Turn BTX 1 off for HIRS test
05/10/2007 13:12:52 VTX2 Turn VXT 2 off
07/20/2006 13:21:00 VTX2 VTX2 ON - Switch VHF transmitter from VTX1 (137.1 MHz) to VTX2 (137.9125 MHz) for APT data
07/20/2006 13:20:00 VTX1 VTX1 OFF - Switch VHF transmitter from VTX1 (137.1 MHz) to VTX2 (137.9125 MHz) for APT data
01/27/2006 19:32:00 STX4 Turn off STX4
01/27/2006 19:25:00 STX4 Turn on STX4 via macro
01/04/2006 09:00:00 VTX1 Turn on VTX1
01/04/2006 09:00:00 VTX2 Turn off VTX2
09/20/2005 18:00:00 STX4 Turn off STX4
09/20/2005 16:00:00 STX4 Turn on STX4
09/12/2005 14:12:00 STX4 Turn off STX4
09/12/2005 12:33:00 STX4 Turn on STX4
08/30/2005 07:32:00 BTX 1 BTX-1 activated as permanent Beacon transmitter
08/30/2005 07:31:30 BTX 2 BTX-2 deactivated as Beacon transmitter.
08/30/2005 07:31:00 STX3 STX-3 replaced as HRPT transmitter by STX-1. STX-3 to be used for playbacks.
08/30/2005 07:30:00 STX1 STX-1 switched to HRPT transmitter replacing STX-3.
08/30/2005 00:31:10 BTX 1 Turn on BTX1, new beacon transmitter.
08/30/2005 00:31:00 BTX 2 Turn off BTX2
08/30/2005 00:30:45 STX1 Config STX1 to HRPT downlink
08/30/2005 00:30:40 STX1 Turn on STX1
08/30/2005 00:30:35 STX3 Clear STX3 Config
08/30/2005 00:30:35 STX3 Turn off STX3 (no longer HRPT, use for playbacks)
08/08/2005 02:40:00 STX2 Clear STX2 Config. Test unsuccessful. Svalbard unable to track using STX2 because it is left hand circular polarization and Svalbard can only track right hand circular polarized signals (such as STX1,3 and 4).
08/08/2005 02:39:00 STX2 Turn off STX2 end IJPS test
08/08/2005 02:33:00 STX2 CONFIG STX2 for TIP/AIP downlink (IJPS Svalbard tracking test)
08/08/2005 02:32:00 STX2 Turn on STX2 for Svalbard IJPS testing.
06/28/2005 01:40:00 STX3 HRPT assignments switched. STX-3 now HRPT transmitter, STX-1 now playback transmitter.
06/09/2005 20:00:00 STX4 Turn off STX-4, end AIP transmissions.
05/30/2005 23:30:00 STX4 STX-4 turned back on with AIP data in continuous transmit mode.
05/30/2005 21:49:00 STX4 STX-4 (AIP data) turnoff in preparation for instrument-RF EMI testing.
05/30/2005 21:20:00   instrument-RF EMI testing with various transmitters turning off and on via Macro-8. Completed 23:15:00.
05/21/2005 13:12:00 STX1 HRPT switch to STX-1. STX-2 moved to playback operations.
05/21/2005 13:11:00 STX2 STX-2 moved to playback operations. STX-1 now HRPT.
05/20/2005 15:14:00 VTX2 VTX-2 (137.9125 MHZ) turned on with APT data transmission. VTX-1 (137.1 MHZ) used for backup.
05/20/2005 12:13:00 STX2 STX-2 turned on and operating nominally configured to transmit HRPT.
05/20/2005 11:56:00 STX1 STX-1 turned on and operating nominally
05/20/2005 11:55:00 BTX 2 BTX-2 turnon
05/20/2005 11:52:00 STX4 STX-4 turned on operating nominally.
05/20/2005 11:50:00 STX3 on orbit
05/20/2005 11:50:00 BTX 1 on orbit, backup mode
05/20/2005 11:48:00   UDA nominal deploy.
05/20/2005 11:47:00 STX1 SRA nominal deployment.
05/20/2005 11:45:00 VTX1 VTX antenna nominal deployment.
06/16/199 14:15:00 STX4 STX4 is turned on for McMurdo telemetry reception and command test in preparation for upcoming NOAA-18 MIMU tests.