54-72 is TV channels 2, 3, and 4
72-76 is radio control, and usually link transmitters, though they're fairly rare these days.
76-88 is TV channels 5 and 6.
You might find a few bugs in the TV channels, but they will be extremely low power, and short ranged.
Just on checking the FCC, there are 582 licenses listed for the ULS Database from 72-76 MHz in California.
Over-the-air TV in the USA is still using channels 2 to 51. What was previously known as TV channels 52 to 69 are now the 700 MHz band.Are TV stations still using 54-72 & 76-88 MHz since they switched to digital?