Structurally and in appearance, they were virtually identical except for most later units being left unpainted aluminum in contrast to the black wrinkle finish of the Navy sets. Designated SCR-274-N, these Army radios were electrically almost identical to their ARA/ATA counterparts, except for receiver output and modulator sidetone audio transformer output impedance. To equip US Army Air Corps planes, the US Army adopted in 1941 a reduced set of radios from the ARA/ATA range.
#Navy vlf receiver code
Many units were also made by Stromberg-Carlson (USN manufacturer's code CCT). Most units were made by the Aircraft Radio Corporation (USN manufacturer's code CBY). The major units of the ATA are five transmitters covering 2.1 to 9.1 MHz, using a common transmitter dynamotor/screen modulator unit. The major units of the ARA are five receivers covering 0.19 to 9.1 MHz, each unit with its own dynamotor power supply. The designations ARA and ATA are a pre-World War II Navy equipment nomenclature. Navy's ARA/ATA system, initially deployed in 1940. The antecedent of the AN/ARC-5 system was the U.S. The term 'ARC-5', while correctly applied to the AN/ARC-5 series, has also come to be a generic, though incorrect, term for the ARA/ATA and SCR-274-N command set units, including those designed by the Aircraft Radio Corporation in the late 1930s. Many became surplus after the war and were often converted for amateur radio use. Despite the use of octal base vacuum tubes, they were compact, rugged and light weight. Units were available that covered much of the MF, HF, and VHF spectrum. It was fitted in many different aircraft types for communication between aircraft, navigation, and communication back to base. The AN/ARC-5 command set was used by the US Navy from the latter part of World War II into the post-war era. Like the AN/ARC-5, the ARA/ATA and SCR-274-N had AM voice communication and two-way MCW and CW Morse code capability.
#Navy vlf receiver series
The ARA/ATA and SCR-274-N series are informally referred to as "ARC-5", despite small differences that render all three series incompatible. The Army set is based on the ARA/ATA, not the later AN/ARC-5. Similar units designated SCR-274-N were used in U.S. It was an improvement of the Navy's ARA/ATA command set. The LF-MF-HF components are designed to transmit and receive voice, tone-modulated, and continuous wave (cw) signals." Its flexible design provided AM radiotelephone voice communication and Modulated continuous wave (MCW) and Continuous wave (CW) Morse code modes, all of which are typical capabilities in other Navy aircraft communication sets of the period. It is described as "a complete multi-channel radio transmitting and receiving set providing communication and navigation facilities for aircraft. Navy aircraft during World War II and for some years afterward. The AN/ARC-5 Command Radio Set is a series of radio receivers, transmitters, and accessories carried aboard U.S. This is a ready to display unit, perfect for the aviation collector! Comes with a replica Leather Flight Helmet and ANB-H-1 Headset. WWII US Navy Aircraft Radio, as used in all varieties of US Navy Aircraft during WWII.