Intelsat 4A F1Rocket launchby USALaunch time26 Sep 197500:17 UTCsuccessOrbit: GTOSerial number: AC-36MissionRocketPayloadsRocket AtlasCentaur SLV-3Dlaunched from Cape Canaveral, LC-36BUSAPayloadsNamePurposeMassCommentIntelsat 4A F1Comsat--