Channel 3 (or 4) was also commonly the channel used by various peripherals like VCRs and composite adapters. I have fond memories of tuning the TV to channel 3

Channel 3 (or 4) was also commonly the channel used by various peripherals like VCRs and composite adapters. I have fond memories of tuning the TV to channel 3 to play Nintendo as a kid. This would make for an interesting retro gaming experience. I wonder if it is easily adapted to use coax cable instead of an antenna.