Tags

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.

Designing and using radio systems that involve battery power sources
20 questions
Questions related to fox hunting (chasing in some areas) and radio direction finding.
19 questions
Low power operation, Typically 5 watts or less
19 questions
Amateur radio operation on the Internet-enabled D-STAR digital voice and data protocol.
18 questions
for questions relating specifically to the amateur radio UHF allocation around 430 MHz.
18 questions
Questions about the phone modes, most commonly SSB on HF and FM on VHF/UHF, but also including DSB-SC, PM, or AM.
18 questions
18 questions
A voluntary, not regulated, division of an amateur radio band into sections for specific modes or types of operation.
17 questions
Questions specific to rules, regulations, and practices in European countries.
17 questions
for questions that relate to the efficiency of a system or a component. The efficiency is the amount of useful work performed by the system or component (in radio applications, typically …
17 questions
Questions specific to rules, regulations, and practices in Canada.
17 questions
16 questions
Questions about fox hunting - using radio direction finding to locate a hidden transmitter - including the rules and necessary equipment.
16 questions
15 questions
Impedance matching transformers as related to amateur radio.
15 questions
for questions relating to Slow-Scan Television (SSTV) operations.
15 questions
for questions relating to protection of equipment from undesired external inputs such as overvoltages, RF coupling, and other potentially damaging inputs.
14 questions
Controlling a transceiver using software running on a separate personal computer. See also: [software-defined-radio], [audio-interface].
14 questions
14 questions
14 questions
for questions relevant to vacuum tubes, also known as thermionic valves or simply valves.
14 questions
Satellite navigation systems, including GPS. Questions should be related either to amateur radio operations (e.g. APRS tracking) or the theory of positioning using radio signals; questions merely abou…
13 questions
Questions about the surface of the Earth as it affects radio propagation and antenna system design and installation. For questions about RF grounds and shields, counterpoises, virtual grounds, etc. us…
13 questions
Questions about the use and theory of spectrum analyzers. For spectrum displays that are not test equipment, use [panadapter-and-waterfall] instead.
13 questions
Questions about low-noise amplifiers (LNAs) and their application in receiving antenna systems.
13 questions
A function of receivers which mutes the audio when no signal is present; there are various and mode-dependent ways of making this determination. For PL/CTCSS in particular, use the [tone-squelch] tag.
12 questions
Questions about shortwave listening and similar low-frequency reception activities.
12 questions
Very Low Frequency is the frequency range 3-30 kHz.
12 questions
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