TM 11-4014: Radio Receiver and Loop Rotators BC-470-D and -F, Repair Instructions

TM 11-4014 Radio Receiver and Loop Rotators BC-470-D and -F, Repair Instructions

TM 11-4014

Radio Receiver and Loop Rotators BC-470-D and -F, Repair Instructions

Army · TM · May 1945 · 66 pages

About

RESTRICTED SECTION DESCRIPTION OF RADIO RECEIVER AND LOOP ROTATORS BC-—470-D AND -F* I. General a. USE. Radio Receiver and Loop Rotators BC-470-D and are components of a portable direction finder for ground use. They use a loop antenna, rod antenna, and nine tubes in a super- heterodyne circuit. Amplitude-modulated (a-m) and continuous waves can be received, using either manual or automatic gain control. b. DESIGNATION. Official nomenclature fol- lowed by the symbol (*) indicates all models of the item of equipment included in this Techni- cal Manual. Thus Radio Receivers and Loop Rotators BC-—470-(*) represents Radio Re- ceivers and Loop Rotators BC-470-D and BC-470-F. c. FREQUENCY RANGE. The frequency range is 200 to 18,000 kilocycles (ke) and is covered in eight continuous bands. d. INPUT CIRCUIT. The input circuit consists of a balanced loop antenna and a sectional rod antenna.

DesignationTM 11-4014

EditionMay 1945

StatusSuperseded

Pages66

FunctionComms Signal

CollectionHistoric

Public domain (U.S. Government work)

References 3

TM 117Not in the Vault