Apply correction factors once, with their units³Ô¹Ïtv / ENGINEERING EXPLANATIONApply correction factors once, with their unitsReceiver reading40 dBuVAdd antenna factor+20 dB/mAdd path loss+2 dBSubtract external gain-20 dBCorrected field = 42 dBuV/mEntered limit 46 dBuV/m: arithmetic margin 4 dBMatching detector, distance and bandwidth required; uncertainty excluded.Conceptual illustration, not field simulation, production artwork or test evidence.