Subpart A - AM BROADCAST STATIONS
- Section 73.1 - Scope
- Section 73.14 - AM broadcast definitions
- Section 73.21 - Classes of AM broadcast channels and stations
- Section 73.23 - AM broadcast station applications affected by international agreements
- Section 73.24 - Broadcast facilities; showing required
- Section 73.25 - Clear channels; Class A, Class B and Class D stations
- Section 73.26 - Regional channels; Class B and Class D stations
- Section 73.27 - Local channels; Class C stations
- Section 73.28 - Assignment of stations to channels
- Section 73.29 - Class C stations on regional channels
- Section 73.30 - Petition for authorization of an allotment in the 1605-1705 kHz band
- Section 73.31 - Rounding of nominal power specified on applications
- Section 73.33 - Antenna systems; showing required
- Section 73.35 - Calculation of improvement factors
- Section 73.37 - Applications for broadcast facilities, showing required
- Section 73.44 - AM transmission system emission limitations
- Section 73.45 - AM antenna systems
- Section 73.49 - AM transmission system fencing requirements
- Section 73.51 - Determining operating power
- Section 73.53 - Requirements for authorization of antenna monitors
- Section 73.54 - Antenna resistance and reactance measurements
- Section 73.57 - Remote reading antenna and common point ammeters
- Section 73.58 - Indicating instruments
- Section 73.61 - AM directional antenna field strength measurements
- Section 73.62 - Directional antenna system operation and tolerances
- Section 73.68 - Sampling systems for antenna monitors
- Section 73.69 - Antenna monitors
- Section 73.72 - Operating during the experimental period
- Section 73.88 - Blanketing interference
- Section 73.99 - Presunrise service authorization (PSRA) and postsunset service authorization (PSSA)
- Section 73.127 - Use of multiplex transmission
- Section 73.128 - AM stereophonic broadcasting
- Section 73.132 - Territorial exclusivity
- Section 73.150 - Directional antenna systems
- Section 73.151 - Field strength measurements to establish performance of directional antennas
- Section 73.152 - Modification of directional antenna data
- Section 73.153 - Field strength measurements in support of applications or evidence at hearings
- Section 73.154 - AM directional antenna partial proof of performance measurements
- Section 73.155 - Directional antenna performance recertification
- Section 73.157 - Antenna testing during daytime
- Section 73.158 - Directional antenna monitoring points
- Section 73.160 - Vertical plane radiation characteristics, f(&b.thetas;)
- Section 73.182 - Engineering standards of allocation
- Section 73.183 - Groundwave signals
- Section 73.184 - Groundwave field strength graphs
- Section 73.185 - Computation of interfering signal
- Section 73.187 - Limitation on daytime radiation
- Section 73.189 - Minimum antenna heights or field strength requirements
- Section 73.190 - Engineering charts and related formulas
- Section 73.186 - Establishment of effective field at one kilometer