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Wednesday, January 10, 2018

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The AN/MRN-2 was a Radio Range set used by the Army Air Force during and after World War II, it replaced in part the SCR-277.


Video AN/MRN-2



Use

The set is a ground mobile, two course, VHF aural Radio Range with station identification, periodic sector identification and simultaneous voice transmission. it is a crystal controlled set and operates in the frequency range of 100 to 156 Mc. for use in guiding aircraft equipped with VHF radio receivers, such as SCR-522, to a landing field, or for use along ferry routes. effective range is 100 Miles.


Maps AN/MRN-2


components

The AN/MRN-2 is mounted on a k-53 truck, and consists of the following.

  • AM-11/CRN-5 amplifier
  • AT-7 antenna (5) (and AB-1 antenna Base)
  • TS-22/URN monitor
  • CU-3/CRN-5 Phaser (effect)
  • C-49/CRN-5 power control unit
  • PU-3 generator (2 kVA)
  • T-10/CRN-5 Transmitter
  • MD-3/CRN-5 Rectifier Modulator
The AN/CRN-5 was the Air Transportable version housed in a tent.

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See also

  • SCR-277
  • Low Frequency radio range
  • Signal Corps Radio
  • List of U.S. Signal Corps vehicles
  • List of U.S. military vehicles by supply catalog designation
  • Radio navigation
  • LORAN
  • SHORAN
  • List of military electronics of the United States

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References

  • TM 11-227 Signal Communication Directory. dated 10 April 1944
  • TM 11-487 Electrical Communication systems Equipment. dated 2 October 1944
  • Graphic Survey of Radio and Radar Equipment Used by the Army Airforce. section 3 Radio Navigation Equipment Dated May 1945

Source of article : Wikipedia