Collins 207B-1 Transmitter

Collins 207B in the transmitting room aboard the USCG *Courier*.

The Collins 207B-1 was a radio transmitter manufactured in 1951 by Collins Radio Company.

Specifications

The 207B-1 was capable of 35 kilowatts of RF output in amplitude modulation mode, and 50 kilowatts in continuous wave mode. The transmitter was designed for land-based operation within the frequencies of 4 to 26 MHz and was contained within five sheet metal cabinets bolted together to form a single unit with a weight of 16,800 pounds. Intended primarily for high speed telegraphy and broadcasting, the 207B-1 was capable of high power AM transmission and telegraphic or frequency-shift keying at speeds greater than 400 words per minute. It could also be used to amplify the power output of a single-sideband modulation transmitter to a peak envelope power of 30 kilowatts.^[1]^[2]

Usage

In April 1951 the United States Coast Guard Cutter USCGC Courier was equipped with two 207B-1 transmitters during its time as a ship-borne radio relay station to transmit Voice of America programs behind the Iron Curtain.^[3]^[4]

References

^ Maes, Ludo. TDP COLLINS 207B-1 GENERAL DESCRIPTION. TDP. 2010-06-04. URL:http://www.transmitter.be/col-207b1.html. Accessed: 2010-06-04. (Archived by WebCite at https://www.webcitation.org/5qEpTCJ1b?url=^{[permanent dead link]})
^ Unclassified publications of Lincoln Laboratory, 1951
^ U.S. Coast Guard Cutter Courier. United States Coast Guard. 2010-06-04. URL:http://www.uscg.mil/history/webcutters/Courier_WAGR410_Photos.asp. Accessed: 2010-06-04. (Archived by WebCite at)
^ "Voice of America Broadcasts From Coast Guard Cutter". Modesto Radio Museum. Archived from the original on 3 August 2019. Retrieved 16 November 2010.

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[1] Maes, Ludo. TDP COLLINS 207B-1 GENERAL DESCRIPTION. TDP. 2010-06-04. URL:http://www.transmitter.be/col-207b1.html. Accessed: 2010-06-04. (Archived by WebCite at https://www.webcitation.org/5qEpTCJ1b?url=^{[permanent dead link]})

[2] Unclassified publications of Lincoln Laboratory, 1951

[uscgweb-3] U.S. Coast Guard Cutter Courier. United States Coast Guard. 2010-06-04. URL:http://www.uscg.mil/history/webcutters/Courier_WAGR410_Photos.asp. Accessed: 2010-06-04. (Archived by WebCite at)

[MRM-4] "Voice of America Broadcasts From Coast Guard Cutter". Modesto Radio Museum. Archived from the original on 3 August 2019. Retrieved 16 November 2010.

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v t e Rockwell International
People	Lynde Bradley Arthur A. Collins Clayton M. Jones Willard Rockwell
Subsidiaries	Draper Corporation Northrop Loom Rockwell Automation Allen-Bradley Rockwell Collins Air Routing International AN/ART-13 ARINC B/E Aerospace Collins 207B-1 Transmitter R-390A
Related	Admiral Radio and TV Allen-Bradley Clock Tower Evans & Sutherland North American Aviation Atomics International Rocketdyne Rockwell Semiconductor

Specifications

Usage

See also

References