Meters, i believe from GO-9 Navy aircraft transmitter, 2.5 inch black face: 15 VDC dual range 15/ 150, with red line at 10 & 120, 600-800 Cycle any offer on above 2. also, can anyone tell me what a similar blackface 2.5 inch meter with 0-10 ANTENNA CURRENT INDICATOR marking is from? This one i probably won't want to keep either. Tnx, Hue Miller