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The BC-348 is a compact American-made communications receiver, which was mass-produced during World War II for the U.S. Army Air Force. Under the Joint Army-Navy nomenclature system, the receiver system became known as the AN/ARR-11.

BC 348 radio receiver

History[edit]

The BC-348 is the 28 vdc powered version of the 14 vdc powered BC-224. The first version, the BC-224-A, was produced in 1936. Installed in almost all USAAF (and some USN, some British and some Canadian) multi-engined transports and bombers used during the fifteen year period from before World War II through the Korean War, BC-348 radio receivers were easy to operate and reliable. Designed as LF/MF/HF receivers for use in larger aircraft (B-17, B-24, B-25, B-26, B-29, C-47, etc.), they were initially paired with a BC-375 transmitter in the SCR-287-A system. Late in World War II, the AN/ARR-11 (BC-348) was the receiver and the AN/ART-13A (ART-13) was the transmitter in the AN/ARC-8 system.

Russian version on IL-14 aircraft.

They were also used in some ground and mobile installations such as the AN/MRC-20.[1] The BC-348 series ran to several variations during its long production history, which included the BC-224. More than 100,000 of these receivers were produced, 80 percent by Belmont Radio and Wells-Gardner and the balance by RCA and Stromberg-Carlson. BC-348 receivers were copied and manufactured by the U.S.S.R. following War II by the Russian Vefon Works and labeled УС-9 (US-9 in English, US as Universal Superheterodyne, not United States.) The УС-9 continued to be produced in the Soviet Union through the 1970s, with such improvements as a solid state inverter to replace the dynamotor.[2]

Enola Gay, the B-29 Superfortress bomber that dropped "Little Boy", the first atomic bomb on Hiroshima, Japan was equipped with the AN/ARC-8 system.[3] Today, many examples of the BC-348 are restored and operated by vintage and military amateur radio enthusiasts.[4]

The AN/ARC-8 system was still in service in older USAF aircraft in the early 1970s. At that time, military surplus dealers near Davis-Monthan Air Force Base in Tucson, Arizona, had stacks of the BC-348, that had been removed from aircraft, for sale to the public at $17 each.

Specifications[edit]

BC 224 version

The BC-224-A, -B, -C, and -D; and the BC-348-B, and -C, tuned 1.5-18 MHz in six bands. The Signal Corps had the receiver design modified to add a 200-500 kHz band and compress the 1.5-18 MHz coverage into the remaining five bands. This modified design became the BC-224-E and the BC-348-E. The 200–500 kHz and 1.5-18 MHz tuning range remained constant for subsequent production of all models.[2]

References[edit]

  1. ^ http://www.vmarsmanuals.co.uk/new/bc348.htm Vintage & Military Amateur Radio Society Technical Information Service
  2. ^ a b http://nj7p.org/history/bc-348.html BC-224 AND BC-348 AIRCRAFT RADIO RECEIVERS
  3. ^ http://aafradio.org/flightdeck/b29.htm U.S. Military Aircraft Avionics from 1939 to 1945
  4. ^ http://www.vmarsmanuals.co.uk/ VMARS Technical Information Service

General references[edit]

  • U. S. Army Signal Corps Technical Order No. 08-10-24, 12 June 1936, Instruction Book for Radio Receiver BC-224-A manufactured by RCA Manufacturing Co., Inc., Camden, N.J., U.S.A., Order No. SC-132373
  • Army Air Forces Technical Order No. 08-10-119, December 15, 1942; Instruction Book for Operation and Maintenance of Radio Receiver BC-348-E Radio Receiver BC-348-M Radio Receiver BC-348-P
  • U.S. Air Force Technical Order 12R2-3BC348-2, revised 15 April 1957; was AN 16-40BC-348-3, 21 June 1948; was AN 08-10-112, 17 July 1943, revised 18 December 1943, revised 30 July 1945; Handbook Maintenance Instructions Radio Receivers BC-348-J BC-348-N BC-348-Q
  • U.S. Air Force Technical Order 12R2-3BC-112, revised 15 April 1957; was AN 16-40BC224-2, 20 July 1945, revised 11 May 1948; Handbook Maintenance Instructions Radio Receivers BC-224-F BC-224-K BC-348-H BC-348-K BC-348-L BC-348-R

See also[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/BC-348 — Please support Wikipedia.
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515 news items

WSHU

WSHU
Fri, 17 Oct 2014 09:13:20 -0700

The BC-348 was the main receiver on the B-17. It was paired with the BC-375 transmitter to provide two way communications. The BC-348 was an upgraded version of the BC-224, originally designed in 1936. The earlier version was designed to work on 12 to ...
 
Rochester Democrat and Chronicle
Tue, 19 Aug 2014 12:07:38 -0700

He'd like to hear from any Rochester-area women (or their relatives) who worked on the assembly lines at Stromberg-Carlson in Rochester during World War II helping produce the BC-348 military radio receiver. According to Hopkins, the receiver went into ...
 
eHam.net
Thu, 17 Jul 2014 15:01:28 -0700

Some key pieces on display include a 1907 spark transmitter/crystal detector set, a Collins 4A crystal controlled transmitter from 1935, a Russian-made BC-348 receiver, a Cosmophone 35 SSB transceiver from 1959, a TEN-TEC Century 22 solid state CW ...
 
CNN (blog)
Thu, 23 Feb 2012 17:00:18 -0800

Washington (CNN) - Pastor Youcef Nadarkhani, an Iranian Christian charged with leaving Islam, has received a local trial courts final verdict, according to sources close to his legal team, and may now be executed for leaving Islam. Jodran Sekulow ...
 
ETF Daily News
Mon, 02 Jul 2012 10:07:34 -0700

The two men ended the interview with Rogers pointing out one of the observations of the ancient Greek philosopher Plato (424/423 BC – 348/347) regarding social/political trends—a warning of the likely outcome of a morally, economically and spiritually ...
 
eTurboNews
Mon, 30 Aug 2010 16:39:15 -0700

TANZANIA - “Those who are too smart to engage in politics are punished by being governed by those who are dumber.” - Plato (Greek philosopher, 428 BC-348 BC). I think Plato was absolutely right, because if you don't vote then you should not complain ...
 
Southgate Amateur Radio Club
Thu, 01 Dec 2011 23:30:00 -0800

up well worth the price of admission. Joe was first licensed as WV2KAC in 1961 in Queens, New York using a crystal on 7152, a Heath DX-20 and a BC-348 (a WW2-era receiver). He later got his General licence and has been on the air on and off ever since.
 
Citta della Spezia
Thu, 06 Mar 2014 06:03:45 -0800

BC 348 Ricevitore USA per uso “avionico” WW2 12. BC459 – A Trasmettitore USA per uso “avionico” WW2 13. BC 1000 Ricetrasmettitore spalleggiabile US Army WW2 14. TCS 12 Ricetrasmettitore per uso navale USA WW2 15. WS 58 MK1 Ricetrasmettitore ...
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