Short 80- Through 10-Meter Band Ham Antenna, April 1973 Popular Electronics - RF Cafe
Fabio IZ7NLJ on Twitter: "3.5 and 7 MHz Dipole. Using coax traps and insulated wire this inverted dipole antenna by one single 50 ohm coaxcable. #hamr #hamradio https://t.co/s125pck202" / Twitter
To Trap or Not to Trap
40 & 80 meter trap dipole long 23m
Trap Dipole for 80 40 20 mt - Resource Detail - The DXZone.com
ON7EQ COAX TRAPS
Trapped dipole antennas | VK3ZPF Ham Radio Blog
Big Wires – A 160 / 80 / 40 Meter Multi-band Antenna – Squash Practice
40/80 Meter Band Fan Dipole antenna kit, including 150 Watt 1:1 BalUn - HF kits