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Simple Spectrum Analyser

If the audio output is fed to a sound card instead of an audio amplifier, the results can be displayed on screen using one of the free audio spectrum analyser programs
post 30 Sep 2020

Antenna Analysis Links


MEI Antenna Design Freeware Page
MEI has earned a distinctive space in the area of Antenna Design capabilities

MMANA-GAL multilingual MM Antenna Analyzer
Official English Website distributing and supporting amateur radio programs by JE3HHT

Moxon Rectangle Generator
MoxGen will show you the dimensions and optionally generate an antenna model file for a 50 ohm Moxon Rectangle antenna