Section 80.1189 - Portable ship earth stations(a) Portable ship earth stations are authorized to operate on board more than one ship. Portable ship earth stations are also authorized to be operated on board fixed offshore platforms located in international or United States domestic waters.(b) Portable ship earth stations must meet the rule requirements of ship earth stations with the exeception of eligibility.(c) Where the license of the portable ship earth station is not the owner of the ship or fixed platform on which the station is located, the station must be operated with the permission of the owner or operator of the ship or fixed platform.52 FR 27003, July 17, 1987