This note looks at the antenna and antenna model for the 40 meter Moxon Yagi designed by Dave Leeson, W6NL. The performance of the antenna, through the model, will be explored in several typical settings.
History of codes of the world, russian codes, visual codes, and al long collection of telegraph codes as used worlwide including the international morse code and the relative variations
An umbrella antenna is basically just a vertical monopole antenna that is top-loaded with a large end-hat. The hat consists of a number of radial wires that slope away, downward from the top of the antenna.
Building an Open Source Arduino APRS Tracker with LCD & GPS ( SVTrackR )
Yaesu FT857D No TX Audio, video on reparing and yaesu Mic modification, with audio improvements for SSB and FM
On this page, N6GN and K6PZB are documenting two different methods to modify the Icom IC 706MKIIG for use with an external frequency reference.
A rotary dipole for thr 7 MHz 40 meters band, build recovering a couple of sections of an old commercial two element yagi antenna of one inch aluminium tubing with fiberglass rod insulators in them
An article explaining features and characteristics of amateur radio log periodic antennas
Morse code MP3 audio files to download containing 200 hours of at increasing speeds plus an ASCII-to-CW file generator program
Homebrewing a vhf bicone antenna with 8 clothes hangers and 4 feet of Sch40 non-metallic rigid conduit