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Disadvantages of VHF Radio Frequencies to Public Safety | eHow
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日期:2024-04-23
References TPub: VHF and UHF Limitations Astahost: All Types of Frequencies Kettering: Superposition of Waves QSL: Signal Propogation DXFM: Propagation Resources Ham Universe: VHF/UHF Bands National Terror Alert: Emergency Communications Urgent ......看更多