half of the resolution bandwidth of the measuring instrument. Emissions include sidebands, spurious emissions and radio frequency harmonics. Attenuation is to be measured at the output terminals of the transmitter (including any filters that may be employed). In the event of interference caused to any service, greater attenuation may be required. * * * * * 12. A new Section 74.798 is added as follows: Section 74.798 - Digital Television Transition Notices by Broadcasters (a) Each low power television, TV translator and Class A television station licensee or permittee must air an educational campaign about the transition from analog broadcasting to digital television (DTV). (b) Stations that have already terminated analog service and begun operating in digital prior to effective date