Foundations of Amateur Radio- Episode 120

View attachment 402270

Tropospheric Ducting Explained

You've always been taught that VHF communications are line of sight and that the height of your antenna determines how far your 2m communication might go. So if I tell you that last week I spoke with a station that was 300 kilometres away on the 2m band you might be forgiven in thinking that I had managed to climb up most of the side of Mount Everest to around 7 kilometres so I could make my line-of-sight communications 300…

Foundations of Amateur Radio- Episode 120
Source: QRZ News
Link: Foundations of Amateur Radio- Episode 120