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#1
13-09-17, 08:16
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Wireless set 109
Following on from Neil's article , with the WS 109.
Another simple but effective design. These sets are very easy to repair as all of the components are within easy reach , this is a unusual feature for a WW2 military wireless set . Around 1500 was the total production 1939 to 42 , making these sets comparatively rare . I have used a 109 set on the ham bands and it's a good performer with the transmitter having three 807 valves and a xtal or VFO drive. The VFO is tuned by a rotating coil arrangement , rather than a split air capacitor , the VFO takes a while to settle down but it is not too bad. The AM modulation is strong being plate modulated . The power supply units changed over the production run , some have four 6X5GT tubes as a full wave rectifier setup . The power source is a 6 Volt lead acid battery.
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad 
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#2
13-09-17, 08:43
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scenes
109 sets . Some of the PSU had selenium rectifiers rather than the tubes.
Scenes include Malaya and Egypt.
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad
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#3
13-09-17, 08:53
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power units
The two different power units as seen in the 109 manual .
One of my 109 sets has a NSWGR tag on it: NSW Govt. Railways ? After the war, outback stations used 109 sets as RFDS emergency radios.
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad
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#4
23-10-21, 09:28
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pic
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad
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Linear Mode
