receiverreceiver bandwidthreceiver gatingreceiver noise figurereceiver radiationreceiving antennareceiving stationreceiving windowreceptionrecewayrechargerrecieprocal inductance matrisreciprocalreciprocal counterreciprocal energy theoremreciprocal ferrite switchreciprocal impedancereciprocal inductancereciprocal inductance matrixreciprocal matrixreciprocal networkreciprocal theoryreciprocity theoremrecistance capacitance oscillatorreclosing relayrecognitionrecognition differentialrecoilrecombinationrecombination processrecombination radiationrecombination raterecombination velocityrecommendationreconditioned carrier receiverreconnaissance satellitereconstituted conductive materialreconstituted micareconstructionrecordrecord changerrecord gaprecord headrecord mediumrecord playerrecorded programrecorded taperecorderrecordingrecording channel