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for all letter-digit-digit-letter callsigns, if the first character is B, F, G, I, K, M, N, R, or W then it is a 1×2 call sign; PNSSS, 1×3 call sign these have the same precautions as 1×2 call signs to prevent confusion with 2×2 format; PPNSS, 2×2 call sign these have the same precautions as 2×1 call signs to prevent confusion with 1×3 ...
articles in Category:Call signs discuss Amateur radio call signs. Pages in category "Amateur radio call signs" The following 5 pages are in this category, out of 5 total.
Description: Map of amateur radio callsigns in the United States, showing 50 US States and populated territories. Date: 1 September 2010, 21:24 (UTC): Source
The call sign format for radio and television call signs follows a number of conventions. All call signs begin with a prefix assigned by the International Telecommunication Union (ITU). For example, the United States has been assigned the following prefixes: AAA–ALZ, K, N, W. For a complete list, see international call sign allocations.
Generally the shorter the call (up to a 1x2 or 2x1 format) the higher the grade of license, but amateurs who upgrade are not required to change their call signs. In any case some of the available blocks have been used up. The 1x1 call signs, such as K6O, are for short-term special event stations.
Callsign Frequency City of license WBAA: 920 AM: West Lafayette, Indiana: WBAC: 1340 AM: Cleveland, Tennessee: WBAE: 1490 AM: Portland, Maine: WBAF: 1090 AM ...
In use, ARRL Numbered Radiograms are messages encoded as one or two numbers. The numbers are always written down as words, and are always preceded by the procedure word "ARL". Throughout their transit in the Amateur radio National Traffic System, they retain this format and are only expanded to their plain-English meaning when delivered by a Ham.
(Logbook data includes callsigns and locations of stations, contact time, frequency, and operating mode.) ARRL assigns such keys to amateurs who appear in the U.S. FCC licensing database or to non-US amateurs who provide alternate proof of identity.