A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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Questions about antennas, other equipment, and operating practices specific to the 160-metre/meter band.
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for questions relating specifically to the amateur radio HF allocation of 14 000 to 14 350 kHz.
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for questions relating specifically to the amateur radio VHF allocation around 144 MHz.
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for questions relating specifically to the amateur radio UHF allocation around 430 MHz.
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The portion of the VHF spectrum allocated to use in civilian aviation.
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Questions about amplifiers, typically RF power amplifiers. For low-noise amplifiers (LNAs) consider using the "lna" tag.
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Questions about the design, selection, building, testing, mounting, or properties of antennas. See also specific tags: [antenna-theory], [antenna-construction], [dipole], etc.
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Materials and methods for building antennas, and design of supporting (non-conductive) structures. For design of antennas themselves, use [antenna-theory] instead.
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The system composed of an antenna and a feed line, and possibly also an RF ground connection, antenna tuner, balun, phasing device, et cetera.
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Designing antennas, selecting antennas for specific applications, properties of a given antenna design.
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Questions relating to the setup and use of antenna tuners, the virtues and shortcomings of various types of tuners, etc.
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a digital protocol used to transmit GPS position reports, telemetry, weather reports and text messages between APRS compatible devices and software.
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American Radio Relay League (ARRL), the largest association of amateur radio enthusiasts in the USA
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Amateur radio television transmission and reception
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Analog audio signals and connecting or designing related equipment: transceiver mic/speaker ports, headphones, microphones, TNCs, computer sound cards. Closely related signaling such as PTT. See also:…
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Questions specific to rules, regulations, and practices in Australia.
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Devices for connecting balanced and unbalanced feed lines/antennas. Also covers questions about ununs, unbalanced-to-unbalanced connection.
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A voluntary, not regulated, division of an amateur radio band into sections for specific modes or types of operation.
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a manufacturer of radio equipment. Use this tag for questions relating specifically to Baofeng products.
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Designing and using radio systems that involve battery power sources
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For questions related to charging batteries. Please specify the battery type in the text.
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Bowtie antennas, such as often seen used for TV reception.
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