Anonymous ID: 3bcfea Jan. 8, 2020, 9:32 a.m. No.7752660   🗄️.is 🔗kun

Here's (another) ELE candidate

 

https://www.ngdc.noaa.gov/geomag/WMM/image.shtml

 

software

 

https://www.ngdc.noaa.gov/geomag/WMM/soft.shtml