As of July 2012, I have given seven PVRC webinars. The PowerPoint slides follow.
1. Cycle 24 and More
2. Propagation Prediction Programs - Their Development & Use
3. Disturbances to Propagation
4. 160m Propagation
5. Selected Topics in Propagation - 9 March 2011
Update on Cycle 24
The M-Factor
Sunspots and Solar Flux During Cycle 23
Ionosphere-Ionosphere Modes
6. Selected Topics In Propagation - 10 May 2011
Long Path on 15m, 12m, and 10m
7. Cycle 24 Update - July 2012
This was an update in July 2012 to the earlier presentation on Cycle 24
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