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QHA Quadrifilar Helix Antenna
Misure per una copertura da 132 a 138 Mhz quindi per i satelliti polari
post 14 Dec 2024
Antenna for UHF VHF Links →
3 Stacked Yagi Antennas
The use of three antennas often represents a good compromise between increased antenna gain, mechanical feasibility, and satisfactory handleability
432Mhz Quagi,
This Quagi is optimized for 432.2Mhz operation, however it works well in a quite wide range of frequency
5 Element-Yagi fur 145 MHz
Boom Length 1705 mm, Elements diameter 8-10 mm, hollow material they are obstructed by the boom, adjustment stub range length from the central arm to the collection clamp 175-200 mm diameter of aluminum tube from 6 mm distance between stub and radiator 15 mm
10 Element for 432 MHz Winkler Antennen
The elements have direct connection to the supporting boom by a metal ring where on either side one half of the element is screwed
70cm 10-element uhf yagi
Adjust lenght of the dipole if needed important,you can also use a folded dipole with a 1:4 balun
150
The use of three antennas often represents a good compromise between increased antenna gain, mechanical feasibility, and satisfactory handleability
This Quagi is optimized for 432.2Mhz operation, however it works well in a quite wide range of frequency
Boom Length 1705 mm, Elements diameter 8-10 mm, hollow material they are obstructed by the boom, adjustment stub range length from the central arm to the collection clamp 175-200 mm diameter of aluminum tube from 6 mm distance between stub and radiator 15 mm
The elements have direct connection to the supporting boom by a metal ring where on either side one half of the element is screwed
Adjust lenght of the dipole if needed important,you can also use a folded dipole with a 1:4 balun
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
Amateur radio kits by Kanga US
Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters