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Windows HamLogBook is a simple logger, with a Windows 95-inspired user interface. It supports common ADIF fields, can look up callsigns on QRZ , exports ADIF 2.0 and can automatically upload to eqsl.net .
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.
(See discussion on the D9K call sign issued by Korea above – 'when 2 characters are needed'.) PPNS, 2×1 call sign prefix can be letter-letter, letter-digit, or digit-letter. A call sign composed of a letter, two digits, and one-letter is always a 2×1 call sign, meaning it has a letter-digit prefix and a single-letter suffix.
QRZ.com is an amateur radio website listing almost every callsign in the world. In 1992, QRZ founder Fred L. Lloyd accessed data from the FCC database to create a CD-ROM with all call signs issued in the United States. [1] A copy of the CD-ROM is carried on board the International Space Station and one was also aboard the Russian Mir space station.
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.
The standard message is <callsign> + <4 character locator> + <dBm transmit power>; for example “K1ABC FN20 37” is a signal from station K1ABC in Maidenhead grid cell “FN20”, sending 37 dBm, or about 5.0 W (legal limit for 630 m). Messages with a compound callsign and/or 6 digit locator use a two-transmission sequence.
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 ...
10-MAX AWOL - - - Corrupt Officer Officer not following orders Insubordination/ Rogue Officer Go Ahead Under Control In Pursuit Traffic Stop 10-0 — — — — Use caution 10-1 Receiving poorly. Unable to copy - change location Signal Weak Unable to copy - change location Unreadable 10-2 Receiving well. Signals good Signal Good — 10-3 ...