Federal (United States) · Regulations
Subpart A — AM Broadcast Stations
45 sections
45 sections
- 47 C.F.R. § 73.1Scope.
- 47 C.F.R. § 73.14AM broadcast definitions.
- 47 C.F.R. § 73.21Classes of AM broadcast channels and stations.
- 47 C.F.R. § 73.23AM broadcast station applications affected by international agreements.
- 47 C.F.R. § 73.24Broadcast facilities; showing required.
- 47 C.F.R. § 73.25Clear channels; Class A, Class B and Class D stations.
- 47 C.F.R. § 73.26Regional channels; Class B and Class D stations.
- 47 C.F.R. § 73.27Local channels; Class C stations.
- 47 C.F.R. § 73.28Assignment of stations to channels.
- 47 C.F.R. § 73.29Class C stations on regional channels.
- 47 C.F.R. § 73.31Rounding of nominal power specified on applications.
- 47 C.F.R. § 73.33Antenna systems; showing required.
- 47 C.F.R. § 73.35Calculation of improvement factors.
- 47 C.F.R. § 73.44AM transmission system emission limitations.
- 47 C.F.R. § 73.49AM transmission system fencing requirements.
- 47 C.F.R. § 73.53Requirements for authorization of antenna monitors.
- 47 C.F.R. § 73.54Antenna resistance and reactance measurements.
- 47 C.F.R. § 73.57Remote reading antenna and common point ammeters.
- 47 C.F.R. § 73.61AM directional antenna field strength measurements.
- 47 C.F.R. § 73.62Directional antenna system operation and tolerances.
- 47 C.F.R. § 73.68Sampling systems for antenna monitors.
- 47 C.F.R. § 73.69Antenna monitors.
- 47 C.F.R. § 73.72Operating during the experimental period.
- 47 C.F.R. § 73.88Blanketing interference.
- 47 C.F.R. § 73.99Presunrise service authorization (PSRA) and postsunset service authorization (PSSA).
- 47 C.F.R. § 73.127Use of multiplex transmission.
- 47 C.F.R. § 73.128AM stereophonic broadcasting.
- 47 C.F.R. § 73.132Territorial exclusivity.
- 47 C.F.R. § 73.150Directional antenna systems.
- 47 C.F.R. § 73.151Field strength measurements to establish performance of directional antennas.
- 47 C.F.R. § 73.152Modification of directional antenna data.
- 47 C.F.R. § 73.153Field strength measurements in support of applications or evidence at hearings.
- 47 C.F.R. § 73.154AM directional antenna partial proof of performance measurements.
- 47 C.F.R. § 73.155Directional antenna performance recertification.
- 47 C.F.R. § 73.157Antenna testing during daytime.
- 47 C.F.R. § 73.158Directional antenna monitoring points.
- 47 C.F.R. § 73.160Vertical plane radiation characteristics, f(θ).
- 47 C.F.R. § 73.182Engineering standards of allocation.
- 47 C.F.R. § 73.183Groundwave signals.
- 47 C.F.R. § 73.184Groundwave field strength graphs.
- 47 C.F.R. § 73.185Computation of interfering signal.
- 47 C.F.R. § 73.186Establishment of effective field at one kilometer.
- 47 C.F.R. § 73.187Limitation on daytime radiation.
- 47 C.F.R. § 73.189Minimum antenna heights or field strength requirements.
- 47 C.F.R. § 73.190Engineering charts and related formulas.