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A Co-ax Trap Dipole For 40 30 and 20 Meters
- Having made lots of dipoles, but never a trapped antenna, i started by doing some reading on the subject coax traps wound on thin plastic formers would be cheap and lightweight
post 09 Jan 2026
Coils Traps Antennas Links →
Trapped dipole antennas
Looking at the sketch above, when working 40 m only the red wires are part of the antenna but when using 80 m the red and purple wires are the antenna
Trappola per dipolo 40/80m
Sono stati realizzati due circuiti risonanti di facile riproducibilità e meccanicamente di adeguata robustezza
The W3DZZ antenna for 40 and 80 meter band
Before you start, bee sure that you know exactly where you would hang the dipol
Current Through a 75m Bugcatcher Loading Coil
Experiments and measurements been made on loading coils using net standing wave current
Home Brew Loading Coil for Vertical
A loading coil for the AD5X portable vertical antennas
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Looking at the sketch above, when working 40 m only the red wires are part of the antenna but when using 80 m the red and purple wires are the antenna
Sono stati realizzati due circuiti risonanti di facile riproducibilità e meccanicamente di adeguata robustezza
Before you start, bee sure that you know exactly where you would hang the dipol
Experiments and measurements been made on loading coils using net standing wave current
A loading coil for the AD5X portable vertical antennas
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