Trimble Support Page:
www.trimble.com/support.shtml

Current Version of Software and Firmware for Trimble Products:

Survey Software and Firmware:
http://trl.trimble.com/docushare/dsweb/Get/Document-93082/Survey%20Software%20and%20Firmware.pdf

Mapping & GIS Software & Firmware:
http://trl.trimble.com/docushare/dsweb/Get/Document-27877/SprtNote_MGIS_CurrentSoftwareVersions.pdf

USCG DGPS Beacon Status Page:
http://www.navcen.uscg.gov/ADO/DgpsSelectStatus.asp

U.S. Coast Guard GPS Status & Outage Page:
http://www.navcen.uscg.gov/gps/status_and_outage_info.htm