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The Baofeng UV-5R is a hand-held radio that has been marketed in the United States [6] ... Kit or assembled 160 – 6 meter ham bands / wide band RX 0.1 – 10
The Baofeng UV-5R [note 1] is a handheld radio transceiver manufactured by the Chinese manufacturer Baofeng. This model was the first dual band radio (VHF/UHF) to be successfully distributed by a Chinese brand. [citation needed] It is inexpensive and relatively simple to use (though tedious to program without computer software).
A number of radio amateurs also build their own tube receivers and AM voice transmitters. [9] As late as the 1960s, glowbugs were part of many beginner ham stations because of their simple, tube-based designs. Glowbugs are popular among QRP enthusiasts and others with a penchant for constructing their own equipment. Enthusiasts may assemble ...
The Yaesu VX series is a line of two sequences of compact amateur radio handheld transceivers produced by Yaesu.There is a line of ultra-compact lower-power dual-band (2 m and 70 cm) transceivers that started with the VX-1R and was later updated with the VX-2R and VX-3R.
D-STAR (Digital Smart Technologies for Amateur Radio) is a digital voice and data protocol specification for amateur radio. The system was developed in the late 1990s by the Japan Amateur Radio League and uses minimum-shift keying in its packet -based standard.
Radio channels are 9 kHz wide, with channel spacing of 12.5 kHz. The gross data rate is 9,600 bits per second, with the actual data transfer at 3,200. The transmission, called stream , is divided into 40-millisecond long frames , each prepended with a 16-bit long synchronization word.
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