A very important aspect of Ham Radio is propagation, there are lots of terms we need to know… for example MUF – maximum usable frequency.

A handy resource is the Chilton Ionogram (below)

Chilton Iongram
Chilton Iongram

There are a wealth of resources our there for the amateur… We have provided links on this website to many of those resources. Check out our Links…

Dourbes in Belgium provide another useful real-time resource… here in the UK we need to just lob off about 1 MHz.