Top Definition
Frequencies between 3 MHz and 30 MHz (3 Mega Hertz and 30 Mega Hertz). Used by governments, ships, radio stations and amateur radio operators.
I decided to use the High Frequency (HF) radio last night and try my luck at reaching Japan.
by Tomorrow's World October 20, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug