The optional space weather overlay uses data from the US Dept. of Commerce, NOAA, Space Weather Prediction Center, this is accessed via ftp.
The source of solar flux data is DSD (ftp://ftp.swpc.noaa.gov/pub/latest/DSD.txt).
Geomagnetic (A, K)
The most commonly used source of data is WWV (ftp://ftp.swpc.noaa.gov/pub/latest/wwv.txt) however data for additional sites is available in DGD (ftp://ftp.swpc.noaa.gov/pub/latest/DGD.txt). The sites supported by DGD are:
Fredericksburg (middle latitude),
Fairbanks Alaska (high latitude), and
Planetary where the A value is estimated.
If the displayed values are shown as - as below then either:
- No data is currently available, or
- A firewall is blocking access to the data source.
To check that data is available select an entry in the Data section of the Space Weather menu. The text (human readable) files used by this program are shown in your default web browser, the WWV text for Sept. 26, 2018 is shown below.
Your firewall must be open, an example of the Windows Defender Firewall entries is shown below (click for a full size image).