An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters
Wire antenna with coaxial cable traps - Resource Detail - The DXZone.com
W3DZZ trap for 7MHz Eng version
30- or 20- & 39-Meter Vertical Trap Antenna
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
ON7EQ COAX TRAPS
To Trap or Not to Trap
20/40 Meter Short Coax Trap Dipole Antenna - Resource Detail - The DXZone.com
Bootstrap coax traps for antennas
Building Coaxial Traps - Resource Detail - The DXZone.com
trap antennas coaxial trap coax dipole antenna loss resistance
ON7EQ COAX TRAPS
Coax Trap dipole for 12m/17m/30m/40m/80m – IZ7BOJ Hamradio Website