VK0EK Log Analysis

Contacts by day and hour (UTC), colored by band.  Can you spot the geomagnetic storm?

Contacts by day and hour (UTC), colored by band. Can you spot the geomagnetic storm?

As an avid user of the statistical software R, Bill (AE0EE) did some analysis of the VK0EK log database. The Log Analysis (88 kB PDF) contains many tables and a few figures, which give glimpses into the statistical side of the VK0EK operation.

In the data, it is clear that the there was a strong diurnal cycle to propagation, and a sharp decline in the maximum usable frequency in the late afternoon local (around 1300 UTC). Additionally, the effects of the geomagnetic storm can be seen in the hour-by-hour time series shown above, where on April 3rd and 4th, the high rates typical of other afternoons did not materialize.

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