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Antenna quadrifilar helicoidal
- The quadrifilar helicoidal antenna quite a mouthful is easy to construct even though it does look complicated, and the results are excellent
post 23 Apr 2026
Antenna for UHF VHF Links →
Antenna HALO per i 70 mhz
L’alimentazione avviene mediante il sistema denominato gamma-match con il condensatore
Antenna quad 144 MHz
Versione da appartamento leggermente modificata a 6 elementi con guadagno teorico di 13 Db
Antenna HALO
A halo antenna, or halo, is a horizontally polarized, omnidirectional 1⁄2 wavelength dipole antenna, which has been bent into a loop with a small break on the side of the loop directly opposite the feed point
Antenna Yagi 1240 Mhz
Yagi for the 23 cm band drawing by DL9AQ
Antenne big-whell
Consists of three full-wave horizontal loops similar to a clover
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L’alimentazione avviene mediante il sistema denominato gamma-match con il condensatore
Versione da appartamento leggermente modificata a 6 elementi con guadagno teorico di 13 Db
A halo antenna, or halo, is a horizontally polarized, omnidirectional 1⁄2 wavelength dipole antenna, which has been bent into a loop with a small break on the side of the loop directly opposite the feed point
Yagi for the 23 cm band drawing by DL9AQ
Consists of three full-wave horizontal loops similar to a clover
Microsat Ham radio shop for ulari project, aprs, aprs with radio, bluetooth, gps, gsm, ham radio interfaces, weather,accessories, cables to radio
Amateur radio kits by Kanga US
Enigma Component Shop Cable & wire,capacitors, connectors, crystals/oscillators, filters, hardware,kits/modules,test & measurement