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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 →
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
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Detailed view of the balun J-J used RG-400, too rigid to bend and pass through the tubing
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
This antenna can be made for 50 or 28 MHz. The length of the elements is given at the bottom of the description
The Beam is a coax-fed version of the ZL-Special. The reflector is fed 225 out of phase
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 Test Instruments, RF Coaxial Cable, RF Coaxial Connectors, Coaxial Attenuators, Supplier in Australia, melbourne

