Propagation news

Propagation news and other items:

First of all the spaceweather report..

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This page was updated 2017 December 12 at  09:32  UTC.

The following data is from the Space Weather Prediction Centre:

Geophysical Alert Message wwv.txt

Issued 2017 December 12 0900 UTC

Solar-terrestrial indices for December 11 follow.

Solar flux 72 and estimated planetary A-index 10.
The estimated planetary K-index at 0900 UTC on 12 December was 3.

No space weather storms were observed for the past 24 hours.

No space weather storms are predicted for the next 24 hours.

 

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Solar Region Summary (Sunspots visible on the solar disc)

Issued 2017 December 12 0030z

Regions with Sunspots.  Locations valid at December 11/2400z

Region Number.........Location...........Area..........Mag Type

2691.......................S03E29.............0010..............Beta

xxxx.......................xxxxxx.............xxxx.............xxxxx

Data courtesy of the Space Weather Prediction Centre

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Here is a link to a YouTube video showing some of the work of the SWPC: https://www.youtube.com/watch?list=UU9hQvMjzSxurMirYDgOMezw&v=JncTCE2NWgc

GB3WES beacon 5,290 kHz.

StratWarm - stratospheric warming. Does it have an effect on HF propagatiion? If it creates turbulence in the ionosphere and stirs the electron distribution, then surely it does.

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