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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 format; confusion might seem to arise with letter-digit-digit-digit-letter call signs, however in that case the second digit would be the numeral separator.
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.
The system may be used without a verified radio amateur license and has a callsign generator providing unique unofficial HamSphere callsigns. The software is written to run on Microsoft Windows, Apple OS X or Linux using Java. Also available are mobile editions of the software running on Apple mobile devices (iPhone, iPod touch, and iPad ...
Examples of pre-1920 stations include 8XK in Pittsburgh, Pennsylvania, which became KDKA in November 1920, and Charles Herrold's series of identifiers from 1909 in San Jose, California: first "This is the Herrold Station" or "San Jose calling", [3] then the call signs FN, SJN, 6XF, and 6XE, then, with the advent of modern call signs, KQW in ...
Amateur call signs, titles, QCWA or OOTC numbers, etc., in the signature follow the name on the same line. Addresses for the signing party are optionally included (upon request) on subsequent lines, exactly as done in the address section, but are included only if important to the originator, message purpose, or replying.
Amateur radio or ham radio call signs are unique identifiers for the 24,000 licensed operators. Russia uses the following 1-letter and 2-letter prefixes in amateur radio call signs for normal operation: R, RA, RK, RN, RU, RV, RW, RX, RZ, and UA. Any of these prefixes can be used in any of Russia's federal subjects. The other prefixes are ...
This ham and cheese recipe features eggs, potatoes, ham, cheese, and chives, baked until lightly golden on top and sprinkled with even more chopped chives. Get Ree's Ham and Cheese Frittata recipe ...
[1] Amateur radio operators are also known as radio amateurs or hams . The term "ham" as a nickname for amateur radio operators originated in a pejorative usage (like "ham actor") by operators in commercial and professional radio communities, and dates to wired telegraphy.