Four half wave vertically polarised balanced dipole antennas. 75 ohm coaxial feed into my radio shack. Wavelengths supported are:

Currently working fine on 146Mhz, with the other frequncies to come. It uses 6mm mains earth cable for elements, inside 25mm electrical conduit.

Mast is from a sabre sailing boat.

Looks like I got my pi-top just in time because its a retired product now. It uses a Pi 3, and those are hard to find as well. I am using a PI 3 B+, which is a pretty fast machine. I run debian with FVWM as its desktop. I only use it for development, with nedit and a terminal.

This is the machine I take to work. I use it on the train both ways mainly. I use mercurial as my VCS and store repos on my EC2 instance.

The FVWM config is here

I love the Kate Bush version but after 40 years I am so bored with it. Glad this one came along.