20/40 Meter Short Coax Trap Dipole Antenna - Resource Detail - The DXZone.com
To Trap or Not to Trap
The Coax trap program computes design parameters for the construction of coaxial traps for HF usage. Typically these are constructed from PVC tube and RG58/59 coax
Building Coaxial Traps
Bootstrap coax traps for antennas
Antenna Traps—A Way to Cope With Limited Space
Modeling Trap Antennas
An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters
How antenna traps work - IW5EDI Simone - Ham-Radio
Ham Radio 20 / 40 Meter Short Coax Trap Dipole Antenna | The Wonderful World of Microcontroller!