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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 07 Feb 2024
Simple Spectrum Analyser

Antenna Analysis Links

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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

Antenna analyser arduino vector graphic
Antenna analyser arduino vector graphic


Take off angle of horizontal antenna

Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane

A remote antenna switch

A remote antenna switch An abiding dislike for bundles of cables running on the exterior of my house, so a remote antenna switch seemed like a good idea

5 element yagi antenna for 28.5 Mhz

5 element yagi antenna for 28.5 Mhz Gamma match will be made with a 1/2 "aluminum tube and a 75 cm coaxial piece of RG8 without sock and sheath inside the tube