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Antenna HALO Per i 70 MHz


Alimentazione mediante il sistema denominato gamma-match con il condensatore realizzato inserendo il centrale del rg58 completo di isolatore all’interno del tubo di alluminio costituente il gamma-match
post 18 Dec 2021


Antenna for UHF VHF Links →

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Quadrifilar helicoidal antenna - Photos
Detailed view of the balun J-J used RG-400, too rigid to bend and pass through the tubing

Quadrifilar Antenna to receive 137 MGHz
Creation of a four-wire antenna to receive the 137 MHz signal from NOAA meteorological satellites

Swiss quad for 144Mhz
This antenna can be made for 50 or 28 MHz. The length of the elements is given at the bottom of the description

The 2 Element HB9CV Beam
The Beam is a coax-fed version of the ZL-Special. The reflector is fed 225 out of phase

The 2m/70cm yagi Project

Search for a DK7ZB antenna kit. These kits are sold by various stores, but one of the stores in Germany turned out to be the cheapest

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6 m| 70 cm| 80 m| 160 m| 136 khz
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