Esplora queste idee e molte altre!

Mini Mag Loop UHF Going Loopy By N6VOA

Mini Mag Loop UHF Going Loopy By N6VOA

SPX-100 9 BAND PLUG N GO HF PORTABLE ANTENNA

SPX-100 9 BAND PLUG N GO HF PORTABLE ANTENNA

Ham Antenna Blog: Delta loop antenna

Ham Antenna Blog: Delta loop antenna

ANTENA HALO   Construcción de una antena Omnidireccional de polarización horizontal de 144 MHz a bajo costo http://www.qsl.net/kp4md/144_mhz_halo.htm

ANTENA HALO Construcción de una antena Omnidireccional de polarización horizontal de 144 MHz a bajo costo http://www.qsl.net/kp4md/144_mhz_halo.htm

Ham Radio for Arduino and Picaxe by Arrl

Ham Radio for Arduino and Picaxe by Arrl

End Fed Antenna

End Fed Antenna

20 May 2012 - The 144 MHz                       halo antenna was mounted at 80 inches (1 λ) above                       the roof and fed with Belden 8214 foam type RG-8/U                       coaxial cable. At first, the antenna resonance was                       unstable and sensitive to the routing of the feed                       line until 5 turns of it were wound to form a 8                       inch diameter choke balun. The standing wave ratio                       was then…

20 May 2012 - The 144 MHz halo antenna was mounted at 80 inches (1 λ) above the roof and fed with Belden 8214 foam type RG-8/U coaxial cable. At first, the antenna resonance was unstable and sensitive to the routing of the feed line until 5 turns of it were wound to form a 8 inch diameter choke balun. The standing wave ratio was then…

The completed antenna

The completed antenna

satellitewhipantenna copy.jpg

Catching Satellites on Ham Radio

satellitewhipantenna copy.jpg

         "  "Introduction  This page describes the design and construction materials  I used to build a coaxial cable trap. A coaxial cable trap is a parallel resonant circuit that  is usually inserted in an antenna element to enable

Building Coaxial Cable Traps by W8WWV

  " "Introduction This page describes the design and construction materials I used to build a coaxial cable trap. A coaxial cable trap is a parallel resonant circuit that is usually inserted in an antenna element to enable

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