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The Ultimate Satellite Omni Antenna

The Ultimate Satellite Omni Antenna
    The Lindenblad antenna consists of four half wave folded dipoles slanted 30 degrees to the horizon, oriented 90 degrees to each other in azimuth, spaced 0.3 wavelength apart. They are tied together by four half wave 300 ohm
post 13 Apr 2025



Antenna for UHF VHF Links

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900 MHz Helical Antenna
I decided to build a pair of helical antennas, one for each circular sense. Helical antennas have broad bandwidth

A 3 element beam Band six meter
Spacing between elements is 34 and 1/2 inches. The elements are 1/2 inch aluminum tubing of 1/16-inch wall thickness

A 144 MHz Pocket antenna
A dipole fed in his center by a coaxial line. This layout is simple and efficient although the adaptation is not perfect, 50 ohms

Folded dipol for 2 m. and 70 cm

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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