new experimental to operate on frequencies 1636.5-1645 and 1535-1543.5 MHz - use of INMARSAT terminals for communications in the event of an oil spill or other related disasters new experimental to operate on frequencies 1636.5-1645 and 1535-1543.5 MHz - use of INMARSAT terminals for communications in the event of an oil spill or other related disasters SYB 2-26-98