World War II Communication

Color Pictures of World War II Royalty Free

Royalty Free Picture of World War II


Signal Center, Pentagon Building, Washington DC. Signal sideband transmission in transmitter room showing a press wireless 40-kw transmitter in the foreground, which is driven by the Western Electric 15D-6000 single sideband exciter on the right. In this way, more than one teletype circuit can be handled simultaneously on just one transmitter. Here the S/Sgt. holds a water-cooled type 233 transmitter tube which is the same as used in the 40-kw amplifier while the M/Sgt. makes a distortion test on the Western Electric transmitter. August 1946.

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