omarscu - Power System Protection (MCH 416) - 2018-2019 - Google
Professors often post links to recorded sessions using this format, such as "Lec1-ch1.mp4" (Lecture 1, Chapter 1). ch1.mp4
Systems like the Meitrack MDVR export files as CH1.mp4 , usually representing the main or front-facing camera. omarscu - Power System Protection (MCH 416) -