yamanx1
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History
Theres very little in the way of historical facts around the internet when it comes to Echo Charlie. The main site I found was that of RF man, he appears to know a great deal about radio including EC.
I am going to do some detailed research for the interest factor regarding the 6.6 or 45m frequency range, the internet seems to have a lot of hearsay about the subject, little in facts or reference. Unless you know otherwise?
Some US sites say that EC started as early as the 1920's and was used for illegal amatuer radio telephony. Seems a bit odd this, if it was used this early it would most likely have been CW.
The most likely history in the use of 6.6 radios that had six channels and were marked "EC" during the war years. These radios were AM and may have been legal (?) for early ham use. Up until the 1960's 45m appears to have been legal to use for amateur radio.
But thats about it, I have no idea why these radios were marked "EC" ? And I can find little else really, atm at least that gives any factual detail about Echo Charlie. I think it would be interesting to find out about this apparent early form of CB radio 
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15/Apr/2008, 12:40 pm
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26TM066
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Re: History
I found this when I 1st heard about EC.
http://www.freewebs.com/meterbands/echocharlie.html
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15/Apr/2008, 12:52 pm
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yamanx1
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Re: History
Yes I've seen this too, its a US site and I would say reading it that the information is recycled from other sites.
As far as I can find out, EC was used in war time London during the 1940's for clandestine radio comms between "amateurs" not called CB in those days but effectively the same thing.
This site appears to be a good starting point, and the guy seems very knowledgable, but I wonder where a lot of this information has come from?
clickerage to RF mans site
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15/Apr/2008, 12:57 pm
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Hot Fusion
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Re: History
Just out of interest, have any of you actually heard 'en-route' transmissions on 45?
I haven't, and wonder just how much these frequencies are used for legitimate purposes, if at all.
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16/Apr/2008, 7:56 pm
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26TM066
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Re: History
It's supposed to be Africans that use it for airspace(my understanding)on USB.So I suppose if prop is there it'll be heard.
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16/Apr/2008, 9:02 pm
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blueglow807
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Re: History
Never heard of EC radios. Has anyone got any proof of this? I'm a vintage military radio collector, so why have I never seen one listed anywhere? See my own explanation for the name Echo Charlie on my introduction post. EC, almost certainly has post-war ex-forces origins. Most of the early operators used military-style callsigns such as 22 Bravo, 79 Alpha, etc. They were ex-wireless operators, mainly army, and sometimes used their old army callsigns. They used easily-obtainable equipment familiar to them from their war-time days. Long before the war the '45m band' was used by early experimental 'amateurs'. It's a great shame that the history of this subject has not been properly documented. By the way, who remembers the spy station that came on every weekend with yodelling music and messages in German? I've been trying to research this oddity for years.
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20/Jun/2008, 7:09 am
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