Tuesday, November 29, 2011

Here is a picture of the latest changes to the message client. The quick buttons can now be colored (foreground or background) to your liking.

This and other changes will be made available in a beta release this weekend.

GOES-15 starts journey to replace GOES-11

GOES-15 has started its journey from storage to 135 degrees West.  NWS HQ has confirmed that the satellite is transmitting the new EMWIN signal.  Here is a schedule of events:

Transition Timeline:
  • August 22, 2011. GOES-15 began executing GOES-West frames (no Rapid (RSO), Super Rapid (SRSO) and the Full Disk (FD) frames) to accommodate advanced user testing of GOES-15 data.
  • September 1, 2011 through October 15, 2011 is the GOES-15 Fall eclipse season for 2011.
  • October 18, 2011 at 0321 UTC. GOES-15 will begin a westward drift from 89.5 degrees West to 135 degrees West at a rate ~ 0.78 degrees/day.
  • December 1, 2011. A GOES-15 drift rate adjustment maneuver will be performed.
  • December 6, 2011. As GOES-15 approaches 129 degrees West, the GOES-15 transition to GOES-West will occur. GOES-15 data will flow through GOES-11 communication links, thus, GOES-15 data becomes operational but is received through the GOES-11 downlink. In other words, the GOES-15 GVAR data are relayed through GOES-11. Users pointing to GOES-11 will start receiving GOES-15 data. Ancillary communication services (DCS/LRIT/EMWIN/SAR) will remain on GOES-11. Users do not re-point antennae. At this point GOES-15 data are considered operational, but should significant problems occur, GOES-11 data can be reestablished quickly.
  • December 14, 2011. A GOES-15 stop maneuver will be performed. The GOES-11 signal is turned off and GOES-15 data are acquired directly from GOES-15. GOES-15 GVAR data will be relayed through GOES-15. Ancillary communication services (DCS/LRIT/EMWIN/SAR) will switch from GOES-11 to GOES-15.
  • December 15, 2011. Pending successful arrival of GOES-15 at 135 degrees West, GOES-11 will perform de-orbit maneuvers, and GOES-11 will be decommissioned.