In radio engineering and telecommunications, standing wave ratio (SWR) is a measure of impedance...
Year: 2022
A QSL card is a written confirmation of either a two-way radiocommunication between two...
NATO Phonetic Alphabet The NATO phonetic alphabet is a Spelling Alphabet, a set of...
11m DXCC Prefix List Prefix Country Cont. Ham 1 ITALY Europe I 2 USA...