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.
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.
the frequency range 3-30 kHz.
Questions about the use and theory of spectrum analyzers. For spectrum displays that are not test equipment, use [panadapter-and-waterfall] instead.
Digital mobile radio, a digital voice mode found on VHF and UHF bands.
Medium Frequency: The frequency range from 300 kHz to 3 MHz
Impedance matching transformers as related to amateur radio.
Questions about shortwave listening and similar low-frequency reception activities.
Questions relating to determining your location or the location of a QSO based on one of the various systems of measurement (lat/lon, GPS coordinates, ARRL section, CQ Zones, ITU Zones, Maidenhead Gri…
for questions relating to the ever popular "UHF" connector (SO-239 is the "female" type mounted on a chassis; PL-259 is the "male" connector usually found on the ends of coax).
for anything related to the FLDigi software suite.
Questions about military surplus radio equipment, especially related to converting them for amateur radio use.
Family Radio Service, most common "Walkie Talkies"
Matters related to amateur radio operation beyond the jurisdiction of a ham's licensing entity.
for questions about physical installations, including physical mounting of equipment and equipment interconnections.
Questions specific to rules, regulations, and practices in India.
Transporting, setting up, and operating a temporary station. For operation from a vehicle, use [mobile] instead.
for questions specifically about line of sight communications, as opposed to communications using active or passive reflectors (repeaters, meteor scatter, ionospheric propagation, etc.). …
measured, what those measurements mean and how they affect amateur radio activity.
Simplex refers to the transmission and reception on the same frequency, or using a single carrier (such as a cable). Also consider the line-of-sight tag.