What are VHF and UHF signals?

UHF stands for “Ultra High Frequency” while VHF stands for “Very High Frequency.” UHF can range from low band (378-512 MHz) to high band (764-870 MHz) while VHF ranges from low band (49-108 MHz) to high band (169-216 MHz). MHz stands for Megahertz and measures the speed of electronic devices.12 Mar 2019

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Does VHF use AM or FM?

As others have said, VHF refers to a frequency range. It’s true that most transmissions on VHF happen to use FM, which includes the FM broadcast band and 2-way mobile radio systems, And it’s true that the VHF aircraft band uses AM . But NTSC analog TV also used a form of AM known as “vestigial sideband”.9 Ara 2019

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