Okay, Propagation, why does propagation matter?

iIt matters greatly, believe me, the more sunspots, the more you’ll hear on the bands but even that’s not a guarantee. look at the graph below, take note of the A and K indexes, you want to see that K index as low as possible 0-2 are usually the best, you might not hear much if the K index hit’s 5 or above. A and K indexes are on the Left hand side of the graph. There’s also a thing called Tropo Propagation, this is usually on freq 140’s and 430’s. I used this from Dover when my Baofeng UV5R put out 5 Watts and I was talking to someone over 100 miles away in the Netherlands, if you look at the second and third video’s on this page they will explain all. Propagation is a facinating study and one of my favourites, the science behind it is awesome.