أحداث شهر مارس - lamontada
Jan 01, 2011· يشغـّل نظام هواتف المملكة المتحدة.) The former rate was reduced by one-third. The new service was the first major intercontinental dialing system. Intelsat III satellites handled 1,200 telephone circuits per satellite. Five of these 322-lb satellites had been put in service in synchronous orbits over the