Propagation….

NOAA STI :Product: Geophysical Alert Message wwv.txt:Issued: 2022 May 22 0905 UTC# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center## Geophysical Alert Message#Solar-terrestrial indices for 21 May follow.Solar flux 167 and estimated planetary A-index 10.The estimated Read more…