Video ZL3SV Nelson, New Zealand monster antenna. 640m long, central fed slopper antenna on top of the hill.
Author - ZL1BQD.
Antenna operates from 160 - 6 Metres and is 230 Feet above the ground at the highest point. 50 ohm coax underground feeds the commercial 12:1 balin with 600 ohm open wire line up to antenna. The antenna wire is power line cable.(ie 10 mm dia aluminum with high tensile steel core It has over 1.5 ton of tension and is 32 Wave lengths long on 20M.
ZL2SV Monster antenna versus Dipole Comprasions.
