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3 x 3/4 l 2 meter Vertical antenna


3 x 3/4 l 2 meter Vertical antenna

The antenna has 3 radiating elements. The phasor coil L1 and L2 functioned as phase shifters in order to maintain equal phase in all 3 radiating elements

post 10 Sep 2024


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

Diy a Quadrifilar Helix Antenna to receive 137 MHz
In practice are two antennas that are formed by a larger loop and a smaller loop, these loops are shaped to receive a signal on 137MHz frequency

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


eYou.com.au RF shop

eYou.com.au RF shop Test Instruments, RF Coaxial Cable, RF Coaxial Connectors, Coaxial Attenuators, Supplier in Australia, melbourne

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