AN/MRN-2

File:AN-MRN-2.jpg

AN/MRN-2 in K-53 truck 1945

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.

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.

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.

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

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