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Leads , aerial No 5 Canadian
Hello . I am trying to hook up my no 19 set to a mast , aerial 20 / 34 feet . What is the construction and lenght of a No 5 Lead , aerial so i can reproduce it please . Attached is a diagram from the Louis Meultse Wireless for the warrior book 2 . Thanks .
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44 GPW / 44 C-15-A Cab 13 Wireless 5 with 2K1 box X 2 / 44 U.C. No-2 MKII* / 10 Cwt Cdn Brantford Coach & Body trailer X 2 / 94 LSVW Last edited by Robert Bergeron; 03-04-21 at 15:55. |
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I'll have a look when I wake up. Best regards, Chris. |
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Thanks Chris . Q to all radio experts : What i am really asking is how do i setup a remote antenna away from the 15 Cwt wireless truck (applicable to the Wire-3 & 5 trucks ). I want to use my 20 & 34 feet masts on the ground (with insulators of course ), not on top of the truck . I need a lead from the No 19 set to the masts . What caliber cable and lengths restrictions do i have to avoid signal loss ? I have seen and worked modern radio installations where the antenna masts were miles away to avoid adversary artillery (mortar ) ranging on your actual position . All i want is to position my antenna mast maybe 25- 50 feet away from the truck . What are the principals involved with radio signal loss ? The goal is to set up the masts so they become more tangible for onlookers at meets and good conversation starters while remaining operational . Thanks .
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44 GPW / 44 C-15-A Cab 13 Wireless 5 with 2K1 box X 2 / 44 U.C. No-2 MKII* / 10 Cwt Cdn Brantford Coach & Body trailer X 2 / 94 LSVW Last edited by Robert Bergeron; 03-04-21 at 16:04. |
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WW2 direction finding was not that precise and very definitely not portable, so it didn't really pose a problem unless the enemy were close enough to actually see your aerials. If it was a problem, then the set could be removed from the vehicle and "dug in" with a trench and overhead protection using batteries only (and having charged batteries supplied on a daily basis to avoid running a generator that would give your position away). Remote aerials were used with larger sets (12, 33 & 53) which couldn't easily be removed from vehicles - being intended for headquarters and (later) command vehicles. The Aerial Coupling Unit 'J' allowed this to be done for vehicle sets (WS22 and WS19), but it required a coaxial cable between the local and remote coupling units, had to be tuned at the remote end, and was limited to a few hundred feet. (For further separation of radio and commanders, you dug the set and operator in and used the Wireless Remote Control Unit No.1 (or British equivalent 'E') and as much telephone wire as necessary - but it needed a local operator at the set.) Remote aerials mostly appeared post-WW2, with the switch to VHF (and advances in direction finding that made it essential to keep radios away from the actual headquarters for the protection of HQ, hence the development of the "radio village" connected to HQ by line.) The use of VHF also required remote aerials due to being line of sight and the need to avoid the signal being blocked by trees or hills. WW2-era sets ending in '9' (9, 19, 29), plus the WS52 (which was a Canadian redesign of the British W.S.9) were intended for AFV installation, and the possible use of remote aerials was never considered by the designers. Best regards, Chris. |
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Thank you very much Chris for the detailed response. Does that mean that I am limited to the 6 feet of the No 5 lead ? If so, going back to my original question , what is the caliber of that wire please so that i can at least use a reproduction in an unmounted setup outside the truck ?
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44 GPW / 44 C-15-A Cab 13 Wireless 5 with 2K1 box X 2 / 44 U.C. No-2 MKII* / 10 Cwt Cdn Brantford Coach & Body trailer X 2 / 94 LSVW |
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I was going to suggest the usual P11 cable that is used for aerial feeders in the UK by the army (and its equivalent on the Canadian WS19 and WS52 aerials - Wire, Electric, Single, No.12), which is rubber insulated, but the EMER lists "Wire, Electric, Single, High Tension, 7mm" for that connector (possibly because it will be in contact with the ground). It's probably the copper-cored single stranded conductor type used for ignition wiring; just make sure you don't get the later "carbon string" sort! The other possibility (if you have the space) is to use both masts and one of the wire aerials - then you don't need to worry about making another cable. Best regards, Chris. |
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