waves are divided into:-
Wave, around 1~2 km in wavelength. The radio station "Atlantic
252" broadcasts here.
Wave, around 100m in wavelength, used by BBC Radio 5 and
other "AM" stations.
which stands for "Very High Frequency" and has wavelengths
of around 2m. This is where you find stereo "FM"
radio stations, such as BBC Radio 1and Further up the VHF
band are civilian aircraft and taxis.
stands for "Ultra High Frequency", and has wavelengths
of less than a metre. It's used for Police radio communications,
television transmissions and military aircraft radios - although
military communications are now mostly digital and encrypted.