AN/PSR-1A perimeter intrusion alarm

Originally published at Notes from the bunker…. You can comment here or there.

Well, yeee-hah!

I found my self an An/PSR-1a on eBay, with 9 probes, and won the damn thing for a little over a hundred bucks. Bwahahahahaaa……lets see the feds get past those! “Intruder alert! Intruder alert! Humans approach!”

Indeed!