AM Medium wave Medium frequency 300–3000 m 2-20 m
AM Short wave High frequency 10–100 m 200–600 m
FM Very high frequency 2.5-5 m No significant range in water
VHF Very high frequency 2.5-5 m No significant range in water
UHF Ultra high frequency 0.1-0.25 m No significant range in water
AM Medium wave Medium frequency 300–3000 m 2-20 m
AM Short wave High frequency 10–100 m 200–600 m
FM Very high frequency 2.5-5 m No significant range in water
VHF Very high frequency 2.5-5 m No significant range in water
UHF Ultra high frequency 0.1-0.25 m No significant range in water