If you are looking for information about the Midland 75-822 Channel Modification, I can try to provide some general information.
The Midland 75-822 is a CB radio model, and a channel modification (or "mod") typically refers to adjusting or altering the radio to access channels or frequencies not originally intended by the manufacturer.
"Midland 75-822 Channel Mod"
Let me know if you'd like me to help with anything else!