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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 47 - Telecommunication |
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Chapter I - Federal Communications Commission |
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SubChapter C - Broadcast Radio Services |
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Part 73 - Radio Broadcast Services |
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Subpart A - AM Broadcast Stations |
| § 73.1 - Scope. |
| § 73.14 - AM broadcast definitions. |
| § 73.21 - Classes of AM broadcast channels and stations. |
| § 73.23 - AM broadcast station applications affected by international agreements. |
| § 73.24 - Broadcast facilities; showing required. |
| § 73.25 - Clear channels; Class A, Class B and Class D stations. |
| § 73.26 - Regional channels; Class B and Class D stations. |
| § 73.27 - Local channels; Class C stations. |
| § 73.28 - Assignment of stations to channels. |
| § 73.29 - Class C stations on regional channels. |
| § 73.30 - Petition for authorization of an allotment in the 1605-1705 kHz band. |
| § 73.31 - Rounding of nominal power specified on applications. |
| § 73.33 - Antenna systems; showing required. |
| § 73.35 - Calculation of improvement factors. |
| § 73.37 - Applications for broadcast facilities, showing required. |
| § 73.44 - AM transmission system emission limitations. |
| § 73.45 - AM antenna systems. |
| § 73.49 - AM transmission system fencing requirements. |
| § 73.51 - Determining operating power. |
| § 73.53 - Requirements for authorization of antenna monitors. |
| § 73.54 - Antenna resistance and reactance measurements. |
| § 73.57 - Remote reading antenna and common point ammeters. |
| § 73.58 - Indicating instruments. |
| § 73.61 - AM directional antenna field strength measurements. |
| § 73.62 - Directional antenna system operation and tolerances. |
| § 73.68 - Sampling systems for antenna monitors. |
| § 73.69 - Antenna monitors. |
| § 73.72 - Operating during the experimental period. |
| § 73.88 - Blanketing interference. |
| § 73.99 - Presunrise service authorization (PSRA) and postsunset service authorization (PSSA). |
| § 73.127 - Use of multiplex transmission. |
| § 73.128 - AM stereophonic broadcasting. |
| § 73.132 - Territorial exclusivity. |
| § 73.150 - Directional antenna systems. |
| § 73.151 - Field strength measurements to establish performance of directional antennas. |
| § 73.152 - Modification of directional antenna data. |
| § 73.153 - Field strength measurements in support of applications or evidence at hearings. |
| § 73.154 - AM directional antenna partial proof of performance measurements. |
| § 73.155 - Directional antenna performance recertification. |
| § 73.157 - Antenna testing during daytime. |
| § 73.158 - Directional antenna monitoring points. |
| § 73.160 - Vertical plane radiation characteristics, f(?). |
| § 73.182 - Engineering standards of allocation. |
| § 73.183 - Groundwave signals. |
| § 73.184 - Groundwave field strength graphs. |
| § 73.185 - Computation of interfering signal. |
| § 73.186 - Establishment of effective field at one kilometer. |
| § 73.187 - Limitation on daytime radiation. |
| § 73.189 - Minimum antenna heights or field strength requirements. |
| § 73.190 - Engineering charts and related formulas. |