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In large urban centers, AM radio signals can be severely disrupted by metal structures and tall buildings. As a result, AM radio tends to do best in areas where FM frequencies are in short supply, or in thinly populated or mountainous areas where FM coverage is poor. Great care must be taken to avoid mutual interference between stations ...
The following chart lists frequencies on the broadcast company band, and which classes broadcast on these frequencies; Class A and Class B, 10,000 watt and higher (full-time) stations in North America which broadcast on clear-channel station frequencies are also shown.
Frequencies Modulation Frequency range Notes longwave: 148.5–283.5 kHz: amplitude modulation (AM) low frequency (LF) Mostly used in Europe, North Africa, and Asia: AM radio (medium wave) 525–1606.5 kHz, 525–1705 kHz in N. America, Australia and the Philippines. amplitude modulation (AM) medium frequency (MF)
The center frequencies of the FM channels are spaced in increments of 200 kHz. The frequency of 87.9 MHz, while technically part of TV channel 6 (82 to 88 MHz), is used by just two FM class-D stations in the United States. Portable radio tuners often tune down to 87.5 MHz, so that the same radios can be made and sold worldwide.
Kong Thap Phak Thi Nueng (1st Army Area) “Thor. Phor. Sam” 1116 Fort Somdet Phra Ekathotsarot Thailand Kong Thap Phak Thi Sam (3rd Army Area) ”Wor. Por. Thor. 2” 738 Fort Kawila, Chiang Mai Province Thailand Local Radio, Communications Division, Army Signals Department ”Wor. Sor. Por. 711” 711 Fort Phahonyothin, Lop Buri Province
Medium wave (MW) is a part of the medium frequency (MF) radio band used mainly for AM radio broadcasting. The spectrum provides about 120 channels with more limited sound quality than FM stations on the FM broadcast band. During the daytime, reception is usually limited to more local stations, though this is dependent on the signal conditions ...
A broadcast range (also listening range or listening area for radio, or viewing range or viewing area for television) is the service area that a broadcast station or other transmission covers via radio waves (or possibly infrared light, which is closely related).
Frequency: Radio Broadcast Stations (FCC) State/city: Radio Broadcast Stations (FCC) 1/1/1939 Call letters Radio Broadcast Stations (FCC) Frequency Radio Broadcast Stations (FCC) State/city: Radio Broadcast Stations (FCC) 1/1/1940 Call letters: Radio Broadcast Stations (FCC) Linked site is missing pages 96–97 Frequency: Radio Broadcast ...