During the current COVID-19 pandemic, the Mid-Ulster Amateur Radio Club are continuing with their successful Tuesday night lecture series. Recently, they had an interesting talk on VHF Propagation from meteorologist Jim Bacon, G3YLA.
The video above can be broken down as follows…
00:00 to 07:00… Introduction
07:00 to 10:25… GB2RS VHF Propagation Report – A brief outline of how the weekly bulletin is put together for the RSGB news.
10:25 to 28:30… Tropospheric Propagation – In this section, Jim covers elevated and surface ducts as well as the best time to watch any high-pressure weather systems.
28:30 to 1:12:30… Sporadic-E – This section covers meteors which are the fuel for Sporadic-E and the various trigger mechanisms like atmospheric gravity waves due to mountains, thunderstorms and changes in the Jet Stream.
1:12:30 to 1:13:50… Rainscatter – This mode of propagation at microwave frequencies is briefly covered.
1:13:50 to 1:21:20… Propquest – Sporadic-E prediction website
1:21:20 to 1:23:30… Pulling it all together – GB2RS VHF Propagation Report