new experimental to operate on frequencies 1631.5- 1660 Mhz and 1530.0-1559.0 Mhz for use of INMARSAT M transportable terminals for sales demonstrations new experimental to operate on frequencies 1631.5- 1660 Mhz and 1530.0-1559.0 Mhz for use of INMARSAT M transportable terminals for sales demonstrations SYB 2-26-98