Title 47

PART 73 SUBPART A

Subpart A - AM Broadcast Stations

47:4.0.1.1.2.1.1.1SECTION 73.1
   73.1 Scope.
47:4.0.1.1.2.1.1.2SECTION 73.14
   73.14 AM broadcast definitions.
47:4.0.1.1.2.1.1.3SECTION 73.21
   73.21 Classes of AM broadcast channels and stations.
47:4.0.1.1.2.1.1.4SECTION 73.23
   73.23 AM broadcast station applications affected by international agreements.
47:4.0.1.1.2.1.1.5SECTION 73.24
   73.24 Broadcast facilities; showing required.
47:4.0.1.1.2.1.1.6SECTION 73.25
   73.25 Clear channels; Class A, Class B and Class D stations.
47:4.0.1.1.2.1.1.7SECTION 73.26
   73.26 Regional channels; Class B and Class D stations.
47:4.0.1.1.2.1.1.8SECTION 73.27
   73.27 Local channels; Class C stations.
47:4.0.1.1.2.1.1.9SECTION 73.28
   73.28 Assignment of stations to channels.
47:4.0.1.1.2.1.1.10SECTION 73.29
   73.29 Class C stations on regional channels.
47:4.0.1.1.2.1.1.11SECTION 73.30
   73.30 Petition for authorization of an allotment in the 1605-1705 kHz band.
47:4.0.1.1.2.1.1.12SECTION 73.31
   73.31 Rounding of nominal power specified on applications.
47:4.0.1.1.2.1.1.13SECTION 73.33
   73.33 Antenna systems; showing required.
47:4.0.1.1.2.1.1.14SECTION 73.35
   73.35 Calculation of improvement factors.
47:4.0.1.1.2.1.1.15SECTION 73.37
   73.37 Applications for broadcast facilities, showing required.
47:4.0.1.1.2.1.1.16SECTION 73.44
   73.44 AM transmission system emission limitations.
47:4.0.1.1.2.1.1.17SECTION 73.45
   73.45 AM antenna systems.
47:4.0.1.1.2.1.1.18SECTION 73.49
   73.49 AM transmission system fencing requirements.
47:4.0.1.1.2.1.1.19SECTION 73.51
   73.51 Determining operating power.
47:4.0.1.1.2.1.1.20SECTION 73.53
   73.53 Requirements for authorization of antenna monitors.
47:4.0.1.1.2.1.1.21SECTION 73.54
   73.54 Antenna resistance and reactance measurements.
47:4.0.1.1.2.1.1.22SECTION 73.57
   73.57 Remote reading antenna and common point ammeters.
47:4.0.1.1.2.1.1.23SECTION 73.58
   73.58 Indicating instruments.
47:4.0.1.1.2.1.1.24SECTION 73.61
   73.61 AM directional antenna field strength measurements.
47:4.0.1.1.2.1.1.25SECTION 73.62
   73.62 Directional antenna system operation and tolerances.
47:4.0.1.1.2.1.1.26SECTION 73.68
   73.68 Sampling systems for antenna monitors.
47:4.0.1.1.2.1.1.27SECTION 73.69
   73.69 Antenna monitors.
47:4.0.1.1.2.1.1.28SECTION 73.72
   73.72 Operating during the experimental period.
47:4.0.1.1.2.1.1.29SECTION 73.88
   73.88 Blanketing interference.
47:4.0.1.1.2.1.1.30SECTION 73.99
   73.99 Presunrise service authorization (PSRA) and postsunset service authorization (PSSA).
47:4.0.1.1.2.1.1.31SECTION 73.127
   73.127 Use of multiplex transmission.
47:4.0.1.1.2.1.1.32SECTION 73.128
   73.128 AM stereophonic broadcasting.
47:4.0.1.1.2.1.1.33SECTION 73.132
   73.132 Territorial exclusivity.
47:4.0.1.1.2.1.1.34SECTION 73.150
   73.150 Directional antenna systems.
47:4.0.1.1.2.1.1.35SECTION 73.151
   73.151 Field strength measurements to establish performance of directional antennas.
47:4.0.1.1.2.1.1.36SECTION 73.152
   73.152 Modification of directional antenna data.
47:4.0.1.1.2.1.1.37SECTION 73.153
   73.153 Field strength measurements in support of applications or evidence at hearings.
47:4.0.1.1.2.1.1.38SECTION 73.154
   73.154 AM directional antenna partial proof of performance measurements.
47:4.0.1.1.2.1.1.39SECTION 73.155
   73.155 Directional antenna performance recertification.
47:4.0.1.1.2.1.1.40SECTION 73.157
   73.157 Antenna testing during daytime.
47:4.0.1.1.2.1.1.41SECTION 73.158
   73.158 Directional antenna monitoring points.
47:4.0.1.1.2.1.1.42SECTION 73.160
   73.160 Vertical plane radiation characteristics, f(θ).
47:4.0.1.1.2.1.1.43SECTION 73.182
   73.182 Engineering standards of allocation.
47:4.0.1.1.2.1.1.44SECTION 73.183
   73.183 Groundwave signals.
47:4.0.1.1.2.1.1.45SECTION 73.184
   73.184 Groundwave field strength graphs.
47:4.0.1.1.2.1.1.46SECTION 73.185
   73.185 Computation of interfering signal.
47:4.0.1.1.2.1.1.47SECTION 73.186
   73.186 Establishment of effective field at one kilometer.
47:4.0.1.1.2.1.1.48SECTION 73.187
   73.187 Limitation on daytime radiation.
47:4.0.1.1.2.1.1.49SECTION 73.189
   73.189 Minimum antenna heights or field strength requirements.
47:4.0.1.1.2.1.1.50SECTION 73.190
   73.190 Engineering charts and related formulas.