Section 73.691, Visual Modulation Monitoring

47 CFR Section 73.691 requires TV stations to enter into the station log the date and time of initial technical problems that make it impossible to operate TV station in accordance with timing and carrier level tolerance requirements. If variance will exceed 10 days, notification must be sent to FCC. Notification must also be sent to FCC upon restoration of normal operations. Data are used by FCC staff to maintain information about the station operations, which is to be used in the event a complaint is received from the public regarding stations operations.

The latest form for Section 73.691, Visual Modulation Monitoring expires 2023-10-31 and can be found here.