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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 ...
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. log4om: Freeware Windows klog: Open-Source (GPL-3.0) Linux, MacOS and Windows QLog: Open-Source (GPL-3.0) Linux, MacOS and Windows QSOMate: Proprietary ...
1. These are commonly used to organize items/data. 2. Activities related to a professional gathering. 3. These events/activities are related to a global athletic competition (hint: it takes place ...
Country Number of amateur radio operators % population Year of Report Source United States 748,519 0.223 2024 [4] Japan 381,899 0.304 2021 [5] Thailand 101,763 0.147 2018
Ham and Cheese Sliders. Introducing your new favorite tailgate treat! These big-batch sliders feature pillowy dinner rolls layered with ham, Swiss cheese, and a spicy honey mustard mayo.