RADIO SET SCR-624
Use. - Fighter control.
Frequency range. - 100.0 to 156.0 megacycles.
Power output. - 6 watts.
Emission. - A3.
Description. - Radio set SCR-624 is a complete very high frequency radio ground station especially designed for transportation by air. Radio set SCR-624 may be operated on any one of four crystal controlled channels within the 100-156 megacycle frequency range. Control facilities are provided so that the transmitter and receiver may be operated at the station, at a remote distance of 500 feet from the station, or at a remote distance of 2 miles. Channel selection can be made only at the station or at the 500-foot remote point of control, while only send-receive communication is possible at the 2-mile remote point. Land line telephone communication is possible between any two points of control by use of telephone EE-8-A.
Radio transmitter BC-625:
Radio Receiver BC-624:
Power supplies available:
Operating power required. - 320-325 watts.
Frequency control. - Crystal (4 pre-set channels).
Antenna. - Antenna AN-94 and the coaxial h-f cable are packed separately in order to afford suitable protection against damage to the antenna. Antenna AN-94 is a J-type antenna with a long (radiator) section and a short (matching) section mounted in a base for connection to the antenna mast. The long and short sections of the antenna are telescopic for adjusting the length to accommodate the transmitting frequency. Antenna AN-94 is supported on a 50-foot high tubular plywood mast.
Weights, dimensions, and Army type numbers of principal equipment units
Unit | Type No. | Dimensions | Weight | | Inches | Pounds Chest | CH-173-A | 34 x 16 3/4 x 13 3/4 | 134 Chest | CH-172-A | 34 x 16 3/4 x 13 3/4 | 205 Chest | CH-170-A | 47 1/4 x 14 3/8 x 6 3/8 | 41 Strap crate | | 11 x 16 1/2 x 12 | 152 Stays box | | 23 3/4 x 16 3/4 x 12 1/4 | 121 Spare parts box | | 27 x 13 1/2 x 11 | 45 Power unit | PE-75 | 36 x 19 1/2 x 26 1/2 | 322 Total | | | 1,020
REFERENCES:The information enclosed here is excerpted from:
Catalogue of Naval Electronic Equipment-April 1946- NavShips 900,116.