TM 11-647: Radio Receiving Set AN/FRR-38 | T.REX ARMS Field Manual Vault

TM 11-647 Radio Receiving Set AN/FRR-38

TM 11-647

Radio Receiving Set AN/FRR-38

Army · TM · Mar 1955 · 93 pages

About

5. System Application a. The receiving set is the radio receiving link in a radioteletype communications system. The rela- tionship of the receiving set to other equipments that are required to form a space diversity radio- teletype communications system is shown in figure 2. A space diversity transmitting system uses only a single transmitter and antenna. De- pendability against signal fading is obtained by placing the receiving antennas at least 600 feet apart. Normally, a radio signal will not fade simultaneously at two points separated by that distance. b. In frequency diversity transmission, two transmitters that operate at different frequencies DC PULSES SENDING TELETYPEWRITER CONTROL UNIT RADIO RECEIVER maacnien RECEIVER A MIN. ANT. SPACING 600 FT APART FREQUENCY SHIFT CONVERTER CV-116/URR FREQUENCY SHIFT IF. OUTPUT OF RECEIVER RADIO RECEIVER RE R R-390/URR oe.

DesignationTM 11-647

EditionMar 1955

StatusSuperseded

Pages93

FunctionComms Signal

CollectionHistoric

Public domain (U.S. Government work)

References 26

TM 11-856Not in the Vault
TM 647Not in the Vault
TM 11-2629Not in the Vault
TM 647-29Not in the Vault
TM 647-2Not in the Vault
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TM 2241-6Not in the Vault
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TM 856-19Not in the Vault
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TM 2241-8Not in the Vault
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TM 9-2851Not in the Vault
TM 647-26Not in the Vault
TM 647-37Not in the Vault
TM 647-27Not in the Vault