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.
Questions about low-noise amplifiers (LNAs) and their application in receiving antenna systems.
Questions about digital signal processing, whether of RF, audio, or digital signals. For RF, consider [software-defined-radio].
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 questions relating to protection of equipment from undesired external inputs such as overvoltages, RF coupling, and other potentially damaging inputs.
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.
measured, what those measurements mean and how they affect amateur radio activity.
for questions specifically about line of sight communications, as opposed to communications using active or passive reflectors (repeaters, meteor scatter, ionospheric propagation, etc.). …
The Maidenhead locator system allows expressing a latitude and longitude as a compact series of letters and numbers, and was adopted in 1980. A Maidenhead locator is typically expressed as two or thre…
For questions related to charging batteries. Please specify the battery type in the text.
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.
a loop antenna having an electrically small circumference, often less than 1/10th wavelength.
Family Radio Service, most common "Walkie Talkies"
Questions relating to variability in the Sun-Earth system and the impacts on radio communications.