Amazon.com: Airplane Cockpit Intercom ATC Radio Recording Cable with Power Cable Adapter Audio Cable for GoPro HERO3 / HERO3+ / HERO4 NOT for Hero 5 and UP : Electronics
ONUR in Sabiha Gökçen International Airport with its Voice/Data Recording & Replay System (ORS-IP2000).
Nflightcam Aviation Digital Audio Recording Cable – Nflightcam.com
How to record ATC and intercom communications with gopro hero 3+ | Fly with Stan - Sharing (not only my) flying experiences...
ATC recording | Casper - Shared Insight
Air Traffic Control Voice Data Recording | Systems Interface
PRO-ATC/SR - Professional Air Traffic Control is out - Tools & Utilities - Microsoft Flight Simulator Forums