A refresher on what is needed to get on the air.

Most ham radios can scan hundreds of frequencies including many that are outside of the ham bands. Why not try to use most of the available memory channels in your radios so that you have a better chance of hearing what is going on around you? This post offers some advice about how and why that might be a good idea.

There are three things necessary to get on the air. Frequency, tone and offset.