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Conditional was the renamed Class C. 5-year license, full privileges except no phone privileges on the bands between 2.5 and 25 MHz (temporary restriction - see below). 13 wpm code and the same written test as General and Technician. Exam by mail. Advanced was the renamed Class A. 5-year license, full privileges.
The Third Class permit was required for announcers who had to record meter readings or who operated low-power radio broadcast stations. From 1963 to 1978 an additional simple technical written test added a "Broadcast Endorsement" to the "Third Phone" which allowed announcers to be the sole operators at some limited power radio stations.
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. [1]
The program is designed for sending and receiving low-power transmissions to test propagation paths on the MF and HF bands. WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Transmissions carry a station's callsign, Maidenhead grid locator, and transmitter power in dBm.
About three million amateur radio operators are currently active worldwide. [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.
MacLoggerDX is a full-featured amateur radio contact logger for macOS with Transceiver control, Rotor control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), DX Cluster and spotting, and basic contesting support.
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