There are no special service announcements at this time.

March 1, 2013
Effective March 11, 2013, F6 will replace F3 as TDRS-Spare. SPTR availability should not be affected by this change.

March 22, 2012
According to a Network Advisory Message issued today (NAM 0001555), northbound K-band services will no longer be available on TDRS F3-SA1 effective April 9, 2012. This will restrict SPTR usage of F3 to antenna SA2 and may reduce overall time available.

March 5, 2012
Effective January 23 2012, TDRS F6 is no longer available for use by the Space Network. SPTR will continue to utilize TDRS F5 as a primary resource and TDRS F3 as a backup resource to clear science data backlogs.

October 1, 2009
NASA TDRS F1 Satellite ends service supporting communication with South Pole Station:
USAP Customer Services Advisory

October 24, 2008
Intelsat had to make an unexpected decommissioning and disposal of the MARISAT-F2 satellite. The last date of service for South Pole Station was October 28, 2008.
MARISAT-F2 Decommissioning Notice