Interesting look at High-Gain and Extremely Long Wire Antennas. Have you tried one? Do you have the space? Give it a go. I did it here:
https://youtu.be/bkXLJ-bslns - Of course Beverage Antennas have similar characteristics (but work totally differently) which is why there are fab at RX.
How to use this computer modelling program:
https://www.youtube.com/watch?v=xfX_8rogur8&list=PLcC64tNkZB7zFt6NV9fnnde2lP11fUTQ8&index=1&t=17s&ab_channel=DXCommander
73 Callum.
More videos:
https://youtube.com/playlist?list=PLcC64tNkZB7zFt6NV9fnnde2lP11fUTQ8 Antenna Modelling
https://youtube.com/playlist?list=PLcC64tNkZB7xtKohJRipVLQ6rxYzRP8eq Tips and Tricks
https://youtube.com/playlist?list=PLcC64tNkZB7xwhA0Msm_bNT4CQ_Bj5D4c Antennas
https://youtube.com/playlist?list=PLcC64tNkZB7wc6svNLY7IDthw1YCFNq9W Live Streams
https://youtube.com/playlist?list=PLcC64tNkZB7w9dp9Eqg_UhamrY5Ck3dyX My Stuff
https://youtube.com/playlist?list=PLcC64tNkZB7xvc3rHlpqqCkiBdAzYe8cf Ham Radio Training