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160/80/40 meter band trapped dipole
I use the following dimensions, 40m Trap 63/16 - 80m Trap 140/42 Millimeters before/after heat treatment
post 07 May 2024
Coils Traps Antennas Links →
Coaxial Traps Grid-dip meter method
A trap is a parallel resonant circuit network that can perform either of two functions in an antenna system, depending on whether the traps are resonant at the operating frequency
Coil Design
The coil design is one of the most difficult and important parts of the coilgun
Cool It
I have owned an AT-AUTO since they were first released and its given good service. One area that it let me down was 10M
Current Through a 75m Bugcatcher Loading Coil
Many experiments and measurements have been made on loading coils using net standing wave current
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A trap is a parallel resonant circuit network that can perform either of two functions in an antenna system, depending on whether the traps are resonant at the operating frequency
The coil design is one of the most difficult and important parts of the coilgun
I have owned an AT-AUTO since they were first released and its given good service. One area that it let me down was 10M
Many experiments and measurements have been made on loading coils using net standing wave current
Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal