U.S. Military Wavemeter TS-247A/APM-48 – AF-109

U.S. Military Wavemeter TS-247A/APM-48 – AF-109 w/ Calibration Chart

Original U.S. military Wavemeter TS-247A/APM-48, serial AF-109, in its original gray metal case. Data plate lists 115V / 1 phase / 50–1600 CPS and stock number 7CAC-979571-5. Interior includes the original meter, large calibrated tuning dial, antenna test connector, HI/LOW switch, indicator light, fuse holders, and original TS-247A/APM-48 calibration chart mounted inside the lid.

Nice radar/electronics test instrument, likely Korean War/early Cold War era, with great display value for military radio, radar, aviation electronics, ham radio, and test equipment collectors.

Condition: Good original surplus condition with scratches, scuffs, paint wear, light grime, and age/storage wear. Interior presents well with readable markings and calibration chart. Appears to be missing/empty one socket or plug area near the “115 VAC” marking. Untested and sold as collectible/display/restoration equipment.