![]() About 6 MHz is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band. Between 10 and 15 kHz is the approximate bandwidth of a VHF repeater FM phone signal. ![]() 3 kHz is the approximate bandwidth of a single sideband voice signal. ![]() SSB signals have narrower bandwidth is the primary advantage of single sideband over FM for voice transmissions. Upper sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications. FM is most commonly used for VHF and UHF voice repeaters. SSB is most often used for long-distance (weak signal) contacts on the VHF and UHF bands. FM is most commonly used for VHF packet radio transmissions. Single sideband is a form of amplitude modulation. Modulation modes, non-voice communication and operating activities. ![]()
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