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AO-40 70cm Uplink Antenna


To make right hand circular polarisation, one antenna plane is located 1/4 wavelength behind the other. Be sure to set them up exactly as in the picture
post 18 Dec 2021


Antenna for UHF VHF Links

163



La pounder de 144 MHz
the pounder is a directional antenna for the 2-meter band, which provides a theoretical gain of 7.2 dBi and an F / B of over 20 dB

La QUAGI 144mhz 1200 antenne miracle
An 8-element quad antenna is tedious to build, the tiles being awkward to fix on the boom and to manufacture. On the other hand, from 3 or 4 elements, the difference between the quad and yagi fades.

Piccola HB9 per VHF
Questa antenna costruita secondo la filosofia della HB9CV e' stata sviluppata con il programma di simulazione AO 6.58 e' molto efficace ed è la più piccola HB9 esistente per VHF

Semplice collineare per i 145 Mhz
La taratura dell'antenna E' semplice, basta spostare i collarini avanti o indietro a seconda delle misurazioni del rosmetro

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