You can upload an almanc to the SSII using message 78. All you need to do is to either construct YUMA almanac or simply download it from U.S. Coast Guard, and inject it into the receiver using Almanac Data Transfer under the tool/setting menu in Starview. You can download the YUMA file from U.S. Coast Guard. Here is the link to the USCG site. http://www.navcen.uscg.gov/gps/almanacs.htm To check whether the Almanac has been successfully updated, please see the Almanac week reported in the Receiver Status (ID#49).