§87.481. Unattended operation of domestic radiobeacon stations.

The transmitter is crystal controlled and specifically designed for radiobeacon service and capable of transmitting by self-actuating means;

The emissions of the transmitter must be continuously monitored by a licensed operator, or by a direct positive automatic monitor, supplemented by aural monitoring at suitable intervals;

If as a result of aural monitoring it is determined that a deviation from the terms of the station license has occurred, the transmitters must be disabled immediately by a properly authorized person. If automatic monitoring is used, the monitor must insure that the operation of the transmitter meets the license terms or is disabled;

A properly authorized person must be able to reach the transmitter and disable it in a reasonable amount of time, so as not to adversely affect life or property in the air;

The equipment must be inspected at least every 180 days. Results of inspections must be kept in the station maintenance records;

The transmitter is not operable by or accessible to, other than authorized persons;