I have not used the products below but have used something like them in the dim, dark past. Maybe this will give you some ideas?

https://www.sciplus.com/conductive-wire-...BCABEgKEJfD_BwE

(oops! bad link)
Try this one...
https://www.ebay.com/i/153790155322?chn=...BCABEgLb-vD_BwE

Check with a local ham/amateur radio type and they may also be able to help with ideas and/or another way to help.

Paul -


Edited by pforeman (02/09/20 10:23 PM)