I-223

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Range Calibrator I-223 is used in calibrating, checking, and adjusting the range measuring circuits of pulse-operated radar apparatus.

I-223.jpg

References

  • TM 11-2528 Range Calibrator I-223-A. War Dept. Nov. 1944. 40 p. U408.3.A13 TM 11-2528 Nov. 1944