That's an informative link, thanks. It should be noted that not all HF antennas used the wire. Later HF antennas were built into the leading edge of the vertical stab (727) or the stinger version (707/720), The later being more common. Then of course there was the pointer version as seen on the 707/720 series.
Last edited by Spooky 2; 8th Jul 2020 at 15:25.