![]() we never know if the conditions will hold long enough to "complete" a QSO (exchange of communications! -)Ĭodes help us "squeeze" a lot of essential information in a short span of time. First, it is not good etiquette to "hog" any given radio frequency.Why do we generally want to make short transmissions, preferably less than 30 seconds, certainly less than a minute? Because. The codes are the ham radio operator's form of " short hand". Operators must also indicate where they are transmitting from when not operating from home base.Īmateur radio operators use ham radio codes, not to be "secretive", but for the sake of brevity. To identify their station - by transmitting their ham radio call sign at the beginning of each exchange of communications and at least every 30 minute. Ham Radio Call Sign Proper UsageĪmateur radio operators are required by law The complete updated list of international ham radio station call sign prefixes is available here. ![]() 73 Lee Hite K8CLI JWorld Amateur Radio Prefixes We have no need to keep this private so if others can make use of this page, feel free to use as you wish. Probably not a big demand for this but it sure makes the archives research easier for us. With the advent of high-speed connections, a 1 Gig download is now only 40 seconds or less. So, with all this downtime we collected Amateur Radio call books from 1906 to 1997 and have them in one location. ![]() Call Books are our best research tool and they are all accessible but a real nuisance to locate and deal with. Normally QRZ is a great resource along with the FCC database, but not for all previously issued call signs back to 1912 and beyond. We are often searching for the owner of an old call sign that donated something to the museum. Old US Call Signs 1906-1997 Another ham (K8KTL) and I (K8CLI) oversee the archives at the National Voice of America Museum of Broadcasting in West Chester, Ohio. Looking For The Owner An Old US Ham Radio Call Sign? In the United States, ham call signs are allocated by the FCC from theįollowing blocks of prefix letters: AAA-ALZ, KAA-KZZ, NAA-NZZ, WAA-WZZ. You can search for Canadian call signs here. can also pick amateur radio call sign prefixes from the followingīlocks of letter prefixes: CYA-CZZ, VAA-VGZ, VOA-VOZ, VXA-VYZ, XJA-XOZ, No two ham operators can have the same call sign.Ĭanada's telecommunications regulating agency - Industry Canada Therefore, VE2DPE is unique in the world.
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