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Antenna Elmer
Here you will find information about wire antennas as well as directional beams
post 10 Oct 2024
Antennas theory Links →
Circulators and ring hybrids
For protecting VHF high-level staages and for decoupling VHF control transmitters
Comprimento do cabo coaxial Folclore versus tecnica
In the world of radio amateurs, there are many legends, mistakes and false claims about the length of the coaxial cable
Dual-Z0 Shortened Stubs
Shorted and open-circuit stubs, located along a transmission line have long been a method of achieving a match or notch through the impedance transformations
HE TTFD-2 a broadband antenna for shortwave reception and transmission
Although inferior in electrical terms up to 30% of the RF power is converted to heat in the resistor
A discussion of antenna theoory
ANY piece of conducting material will work as an antenna on any frequency
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For protecting VHF high-level staages and for decoupling VHF control transmitters
In the world of radio amateurs, there are many legends, mistakes and false claims about the length of the coaxial cable
Shorted and open-circuit stubs, located along a transmission line have long been a method of achieving a match or notch through the impedance transformations
Although inferior in electrical terms up to 30% of the RF power is converted to heat in the resistor
ANY piece of conducting material will work as an antenna on any frequency
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
Nightfire Electronics Source of small electronic kits and parts