CHECK FOR CORROSION AT BASE OF ANTENNA AND AT MOTOROLA CONNECTOR AT THE RADIO;ALSO TRY THIS...TUNEIN A STATION AROUND 1200 - 1400 KC. , THEN PULL OFF TUNING KNOB TO EXPOSE AN ANTENNA TRIMMER AND PEAK IT FOR MAXIMUM VOLUME. IF THIS DOESNT WORK YOU MAY NEED TO REMOVE RADIO AND CHECK TUBES. GOOD LUCK FRANK KB2MCO