Variable length liquid antenna

[Red Squirrel]

Woah, this is skookum as frig.

https://www.youtube.com/watch?v=x11p5VkLsGw

 

[ultimatebob]

Cool technology, but I can’t help but think that one of the engineers would looking at his penis one day and thinking “Gee, why can’t a make a radio antenna work like that”?

 

[William Gaatjes]

Looks interesting but today there are also solidstate antenna arrays that can do lot of bands in parallel and can be tuned at the same time.
https://en.wikipedia.org/wiki/Plasma_antenna

 

[William Gaatjes]

It is a bit off topic but so interesting :
Phased array antennas.
https://en.wikipedia.org/wiki/Phased_array