= NOW 15 WPM = TEXT IS FROM DECEMBER 2020 QST PAGE 50 = LIKE MINE, THE RECEIVER SIDE IS THE LONG SO 239 COAX JACK, ON THE SAME SIDE AS THE COIL AND IS CONNECTED IF THE RELAY COIL IS NOT POWERED ON. A RECEIVER OR TRANSCEIVER WITH A CALIBRATED S METER WILL READ S 9 WITH 50 5V AT THE ANTENNA TERMINALS. THAT IS 73 DBM AT 50. THUS, A SAFE 10 DBM WOULD BE AT S 9 83 DB WHICH WOULD LIKELY MOVE YOUR S METER NEEDLE PRETTY FAR TO THE RIGHT. UNFORTUNATELY, MOST S METERS ARE NOT WELL CALIBRATED, SO THAT WILL JUST BE A GUIDE WITH MOST TRANSCEIVERS. IF YOU HAD A CALIBRATED = END OF 15 WPM TEXT >