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Circulators and ring hybrids


Circulators and ring hybrids

For protecting VHF high-level staages and for decoupling VHF control transmitters

post 26 Oct 2024


Antennas theory Links

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Simple FM antennas
This directional antenna is typically mounted broadside to the desired transmitter

The Ferrite Rod Antenna
The use of a small Magnetic Loop as an antenna although usually better than a Hertzian dipole

Transmission line transformer
The earliest presentation on transmission line transformers was by Guanella in 1944

Yagi-Uda Antenna
The Yagi antenna consists of a single 'feed or driven element, typically a dipole or a folded dipole antenna


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