free antenna design soft

5 links

PolarPlot - Freeware antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. With PolarPlot you can measure the polar diagram of the antenna and check for abnormalities - compare plots taken before and after changes to the design or location - check the -3dB beamwidth - look at the front to back ratio - see the size and position of the sidelobes.
[ Hits: 5986 | Votes: 10 | Rating: 5.59 ]
ASAP - Antenna Scatterers Analysis Program, is a Free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. Source code and windows executables are available to download.
[ Hits: 14469 | Votes: 9 | Rating: 6 ]
YagiCAD - Antenna modelling examples - A freeware software package for Yagi design. This webpage also contains many sample and standard antenna downloads for experimentation.
[ Hits: 10893 | Votes: 36 | Rating: 7.27 ]
YagiCAD - A freeware windows antenna design and modelling software developed by an amateur radio operators primarily intended for VHF yagi aerials.
[ Hits: 775 | Votes: 4 | Rating: 3.75 ]

LogHX freeware logger software - LogHX is a freeware windows ham radio logger software, designed as complete Ham Radio environment. Radio control interface, online log book interfaces, cluster access, adif and cabrillo exports, antenna rotor control, Digital CW and SSB macros, full QSL management
[ Hits: 735 | Votes: 4 | Rating: 9.5 ]