Meaning of different colours on the map

3 posts / 0 new
Last post
G6PSZ
Offline
Last seen: 4 years 10 months ago
Joined: 2011/12/03 - 15:19
Meaning of different colours on the map

I was wondering what the significance of different colours was on the map? I have not found a key on the site.
I was hoping it would be a different colour for each band, but it is not.