47 CFR 80.71 - Operating controls for stations on land.
Each coast station, Alaska-public fixed station and Alaska-private fixed station must provide operating controls in accordance with the following:
(a) Each station using telegraphy or telephony must be capable of changeover from transmission to reception and vice versa within two seconds excluding a change in operating radio channel.
(2) Discontinuing all emission within five seconds after emission is no longer desired. The emission of an unattended station in an automated multistation system at which restoration to standby is automatic on conclusion of a call must be discontinued within three seconds of the disconnect signal or, if a disconnect signal is not received, within twenty seconds after reception of the final carrier transmission from a ship station.
(c) Each station using a multichannel installation for telegraphy must be capable of changing from one telegraphy channel to any other telegraphy channel within the same sub-band below 525 kHz within five seconds. This requirement need not be met by equipment intended for use only in emergencies and not used for normal communication.
(d) Every coast station using a multi-channel installation for radiotelephony must be capable of changing from one telephony channel to another telephony channel within:
Title 47 published on 2013-10-01
no entries appear in the Federal Register after this date.