I’ve had good luck with an endfed antenna on 20 and 30 meters. Depending on available trees/supports I can arrange this antenna as an inverted vee, a sloper or a horizontal 1/2 wave. It functions an endfed zepp on 20 meters consisting of a 1/2 wave 20 meter wire (33′ 3″ long) endfed with a…
EH Antenna calculator
A simple EH Antenna calculator that will help you in calculating turns a spacing of antenna traps Download EH Antenna Calculator
Zakanaka
Zakanaka, a digital mode decoding and terminal program written by Bob Furzer, K4CY. Bob is also the author of Logger, a logging program with a PSK31 decoding and terminal module that runs under Windows 95/98, Windows 2000, and Windows NT Was originally intended to decode PSK31, RTTY, and CW. During November 2000, K4CY added RTTY…
WD5HOH Regenerative (REGEN) Radio Receiver
This web page describes a small, single tuned circuit regenerative receiver primarily for daylight reception in the 16, 19, 22 and 25 meter international shortwave broadcast bands. I have attempted to incorporate every improvement I have thought of into this receiver, including maximum mechanical rigidity and electrical shielding. This receiver is suited for reception of…
Levy F9HJ Antenna
A multiband antenna based on the Levy antenna model Multi-band on 40 m, 30 m, 17 m, 15 m, 12 m, 10 m Easy and rapid build and install Minimum QSJ
Half Sloper for 160 meters
A Reduced-Size Half Sloper For 160 Meters in Italian By Bob Kirk, WD8DSB English version Un Half- sloper per i 160 m di dimensioni ridotte.Traduzione di IK2PTR, rivisto e corretto da IW5EDI Avete mai pensato di provare i 160 m ? L’inverno è il periodo perfetto per esplorare la “top band “.L’atmosfera è relativamente quieta…
Apartament Antennas
Low profile operating APARTMENT ANTENNAS Successful apartment operating starts with an evaluation of the location. Are you lucky enough to be on a upper floor? Is there trees outside? How about a deck? Maybe even access to the roof. Any of these situations can be advantageous. One thing to remember with apartments is to try…
Antenna Maker
A freeware dos program by John Agrelius released in early 90’s but still very actual. It allows to quickly calculate dimensions for Quads antennas, Yagi antenna, Inverted vees antennas as well as J-poles and Traps to extend dipoles band coverage. Just extract the antmaker.zip file and start the Menu.exe batch file.
Swiss Quad Antenna
Alain Miqueu, F6ITV Which monoband directional antenna can provide a good gain, a good F/B ratio, being not to large and mechanically within hamradio skill? As it is used to say, it’s a process that consists in searching the best compromise. This excludes high-gain and long-boom Yagi that are very large and heavy. A 3-element…
A Beginners’ Guide to Amateur Radio What is Amateur Radio? – Many Hobbies in One!
What is Amateur Radio, what do radio amateurs do? Do I have to buy expensive commercial equipment, or can I build my own? Will I need massive aerials (antennas)? What kind of licence do I need? How do I get one? Do I need to pass technical exams and morse tests? Where do I start?…