I brought this up way back in 2011 see: http://elecraft.365791.n2.nabble.com/RF-gain-sweet-spot-td6604787.html#a6607729 Ed KD7PY ex K7WIA -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-RF-Gain-S-Meter-tp7622837p7622839.html Sent from the Elecraft mailing list archive at Nabble.com.