Links to Antennas
Satellite operation:
Homebrewing satellite equipment de Jerry, K5OE
2 DL6WU yagis combined by Alejandro, XE1MEX, detailed gamma match drawing !
A copy of Alejandros ant made from TV-antenna material de Jeff, KK5UFO
A very portable mode j/b beam de Tony, VK3JED
The 3 + 7 ele yagi combination de Mike, KC5JDG
A coffe can feed for 13 cm by Andreas, OE1DMB
A 60cm dish for 13 cm (helix fed) by Gene ,VK3JDG
Different homebrew projects for AO-40 (and others) by Howard, G6LVB, great practical ideas
An informative site of AO-40 operation by Antonio, KC2HAX/EA4LE
A study of 13cm patch antennas by Tim, K3TZ
Dishes and their feeds for amateur radio use by Robert, W0LD a lot of patch and helix infos
Getting on AO-40 by Kyle,K0KN nice story abt. developing your station
Antennas for HF-Operation:
Homebrewing a portable 2ele 10m yagi by Al, AA1DO very well documented project
Another 2ele 10m yagi by Tom, K1JJ, nice broad design, 50 Ohm - direct feed, stackable
A 2ele 10m yagi (combined with 6m), by Chris, VK3JEG, good gain
Latest yagi designs
of DK7ZB german + english, great ressource for 50/144/432 MHz yagi homebrewing Various VHF/UHF
yagis (DJ9BV/DK7ZB) by Burghart, DG9YIF (german language) A BVO2-3wl
de DJ9BV as cross yagi de Juergen, PE1LWT A BVO2-3wl with split, straight dipole by Pino, I8UZA A BVO2-4wl yagi with 4mm elements de Mike, SV5BYR with feeding information (folded dipole) T-Match construction 6/2/70 Mike, SV5BYR 1.6 lambda 2m yagi de DK7ZB as 8mm version by Chris, DC6GF VHF/UHF Long Yagi Workshop
de G3SEK an excellent knowledgebase Cheap and easy VHF/UHF
Yagis de Kent, WA5VJB simplified feed, cheap material (~US$15), good designs a second site is: Fred,
W0FMS Some VHF/UHF designs
for weak signal operation de Steffen, DD0VF good designs with good
pattern 6m/2m/70cm yagis
de Sandro, I0JXX Reports of VHF/UHF ant. (yagis) by F5SDD, en francais Some nice designs for 2m/70cm/23cm by Derek, G4CQM
Antenna related sites (VHF/UHF):
Link corrected 06/08!
Antenna Modelling
All about antenna modelling, NEC and how to use it, L.B. Cebik W4RNL , THE site about antennas in the web
Numerical Electromagnetics Code NEC2 unofficial home page This website gathers together NEC2 documentation and code examples
Computer models of antennas HF/VHF/UHF (NEC+YO format) by David, F5SDD
Modelling Software
MultiNEC - Antenna Modelling Software by Dan, AC6LA, nice little helpers using spreadsheets, including NEC-2 engine
The unofficial Numerical Electromagnetic Code (NEC) Archives, all kind of NEC versions, relatives and models
The new (direct)URL of the NEC archives is: http://www.si-list.org/swindex2.html
MM Antenna Analyzer by JE3HHT - Makoto Mori, MiniNEC based, 32bit windows software
Yagi Analyser 3.54, capable of calculating G/T ! DOS program