![]() Shipboard Receiver RF Distribution |
- | 1950's Shore Station Receiver RF Distribution including:
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RECEIVING ANTENNA COUPLERS & MULTICOUPLERS |
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| RXA | 4-24mc, 3 antenna inputs, up to 10 receivers on
each Uses NT-50279 multicoupler
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Manuf Hoffman
NAVSHIPS 900213 |
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| AN/SRA-9 AN/SRA-12 |
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14kc-32mc - 7 channels
Electrical filter assemblies (multicouplers) AN/SRA-9 and AN/SRA-12 are
identical in appearance and function. They are receiving antenna
distribution systems that make possible the multiple operation of a
maximum of 28 radio receivers from a single antenna. Ordinarily it is
preferable, however, to limit the total number of receivers to seven. |
SRA-9 manual NAVSHIPS 91777 SRA-12 manual NAVSHIPS 92206 |
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ANTENNA COUPLER GROUPS -
These groups are designed to connect
up to 20 MF and HF receivers to a single antenna, with a highly selective
degree of frequency isolation. Each of
the six coupler groups consists of 14
to 20 individual antenna couplers and a
single-power supply module, all are slide-mounted in a special
electronic equipment rack. An antenna input
distribution line termination (dummy load) is
also supplied. In addition, there are
provisions for patching the outputs from
the various antenna couplers to external
receivers.
Components
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NAVSHIPS |
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![]() Top View |
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| CU-168/FRR |
2-32 mc, 5 outputs, tube |
technical article | Collins & others | NAVSHIPS 91697A
manual |
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| CU-656/U | ![]() wrong meter |
![]() wrong connectors |
2-32 mc
8 outputs tube |
- | - | manual avail from Fair Radio |
| CU-872A/U | ![]() |
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2-32mc
8 outputs tube |
- | - | manual avail from Fair Radio |
| CU-1099/FRR | ![]() |
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2-32 mc
8 outputs transistor |
- | - | NAVSHIPS 94933 avail from WA5CAB |
| CU-1382/FRR | ![]() |
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2-32 mc
8 outputs transistor |
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| CU-1563/URR CU-1574/URR CU-1575/URR |
10 receivers CU-1563 2-6 mc |
See NRL development page for info | - | - | spec sheet | |
| CU-2007/SRR | ![]() |
Combiner-Multicoupler
8 VLF-LF outputs 10kc-1.85mc 1 HF output 1.85mc-30mc |
More Photos & Info | - | - | - |
| CU-2065/BRR | VLF-LF & HF outputs | - | - | - | ||
| CU-2268/URR | ![]() |
VHF and HF outputs | More Photos & Info | - | - | - |
| CU-5013/SRR | 2-30 mc 6 outputs TMC AM6-2/70U |
- | - | spec
sheet
manual - thanks to K4OZY
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