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A 144 MHz Halo


A 144 MHz Halo

This halo antenna was built to have an omnidirectional coverage while working in VHF contests

post 19 Aug 2024


Antenna Halo Links

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50 MHz Halo Antenna
The basic horizontally polarized antenna is a half-wave dipole. It has a radiation pattern that exhibits lobes and sharp nulls

6 and 2 Meter Square Copper Dipoles
Here is the parts list and dimension sheet for a 2m square dipole, made from copper plumbing fittings and 1/2 inch copper water pipe

6 meter halo with optional 2m graund plane
A cheap, easy to build antenna for omnidirectional horizontal polarization on 6M and vertical polarization on 2M


Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

SunCalc

SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic