Cable Forum - View Single Post - Document from 1955

Dude111 · 17-11-2022, 13:50

A good read....... Shows in 1955 they had the technology to tap a phone EVEN WHEN ON THE HOOK!!

http://cryptome.org/2013/05/ultra-sonic-listening.pdf

Ah man!!

17-11-2022, 13:50	#1
Dude111 An Awesome Dude Join Date: Mar 2009 Posts: 3,865	A good read....... Shows in 1955 they had the technology to tap a phone EVEN WHEN ON THE HOOK!! http://cryptome.org/2013/05/ultra-sonic-listening.pdf Ah man!!