MARECS-B2 Two geostationary satellites – MARECS A (launched on Dec. 20, 1981) and MARECS-B2 (launched on Nov. 10, 1984 – that formed part of Inmarsat`s global maritime communications satellite network. The program began as the experimental Maritime Orbital Test Satellite (MAROTS) in ... Found on http://www.daviddarling.info/encyclopedia/M/MARECS.html