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AN/PRC-6

Summary

The AN/PRC-6 is a walkie-talkie (correctly a "Handie Talkie [1]) used by the U.S. military in the late Korean War era through the Vietnam War. Raytheon developed the RT-196/PRC-6 following World War II as a replacement for the SCR-536 "handy-talkie". The AN/PRC-6 operates using wide-band FM on a single crystal controlled frequency in the 47 to 55.4 MHz low band VHF band.[2]

AN/PRC-6, somewhat battered from use.

History edit

The AN/PRC-6 was designed and used by the US military during the Korean War, and was in use by the US Marine Corps as late as 1972. It was commonly known as the (correctly) "Handie Talkie" [3] or (incorrectly) "walkie-talkie," "banana radio," or "Prick-6."[4] The AN/PRC 6 was also used by various NATO nations. It was manufactured under license in France ("TR-PP-8") and Germany (6 channel version or PRC6-6). Israel too manufactured single channel equipment. Modernization of the AN/PRC6 resulted in various solid state crystal controlled and synthesized radios, usually with higher output ratings. For example, Greek valved sets were refurbished in the mid-1980s and converted into single channel solid state one watt units housed inside the original casing. These updated solid state versions were given various designations such as PRC-6T (for "Transistor"), PRC - 6T/180 (180 channel synthesized unit) and PRC - 6GY.[5][6]

Specifications edit

The AN/PRC-6 circuit uses 13 vacuum tubes for the receiver and transmitter combined, all but one tube are subminiature. The unit may be changed to a different frequency in the field by replacing the crystal and adjusting tuned circuits, using tuning indicator ID-292/PRC-6. The tuning chart inside the case is not accurate enough to properly align the unit. The AN/PRC-6 uses a 24 in (61 cm) whip antenna, with a BNC connector for an external direction finding antenna. There is an optional handset H-33*/PT that can be connected to the AN/PRC-6 by a 5 ft (1.5 m) cable. The RT-196 can be carried over the shoulder using a provided web sling. Rated power output is about 250 mW. The range is about one mile (1.5 km), but much less in jungle.[7][8]

The frequency range of the PRC-6 covers the 6 meter amateur radio band (50-54 MHz in the US and Canada, 50-52 MHz in the United Kingdom), and the many versions of these sets are relatively available and cheap (around £30-40 in the UK) in comparison to other vintage military radios. As a result, many examples have been put on the air, although practical operation is hampered by the necessity of building new, custom power supplies (the original dry batteries, which supplied +1.5, +4.5, +45 and +90 volt outputs, being unobtainable or display pieces only) and the limited output power and range. In addition, a separate crystal and laborious retuning is required every time a frequency change takes place. Radios were shipped from the U.S. factory tuned with the 51.0 MHz crystal installed. For this reason 51 MHz is used as a net frequency at many Amateur Radio events, necessitating only the one crystal.[6]

Gallery edit

  •  
    AN/PRC-6 with case opened.
  •  
    AN/PRC-6 open with electronics cover removed.
  •  
    Internal view of homebrew battery arrangement.
  •  
    PRC - 6/E (Greek rebuild) data plate.
  •  
    PRC - 6/E: Internal view of rebuilt set.

See also edit

References edit

  1. ^ TM 11-296_1955
  2. ^ Mark Francis, KI0PF (2005). Mil Spec radio gear - Korean War to present day. Hicksville, NY: CW Communications, Inc. pp. 164–167. ISBN 0-943016-33-9.{{cite book}}: CS1 maint: numeric names: authors list (link)
  3. ^ TM 11-296_1955
  4. ^ Paul Dickson (1 August 2014). War Slang: American Fighting Words & Phrases Since the Civil War, Third Edition. Courier Corporation. pp. 252–. ISBN 978-0-486-79716-8.
  5. ^ Tactics and Technique of Infantry. Military Service Publishing Company. 1953.
  6. ^ a b Richard H. Arland (16 August 2007). ARRL's Low Power Communication: The Art and Science of Qrp. American Radio Relay League. pp. 11–. ISBN 978-0-87259-104-2.
  7. ^ AN/PRC-6 Walkie Talkie OliveDrab.com
  8. ^ United States. Department of the Army (1955). Radio Set AN/PRC-6 Field Maintenance. U.S. Government Printing Office.

External links edit

  • PRC-6 manual navy-radio.com
  • [1]

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