Author: Ken McCormick

SFI = 165 A index = 18 K index = 2 SSN = 117 NOAA STI :Product: Geophysical Alert Message wwv.txt:Issued: 2022 Jul 14 0905 UTC# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center## Geophysical Alert Read more…

SFI = 165 A index = 18 K index = 2 SSN = 117 The SunSpot Number (SSN) is a commonly used index of solar activity. The daily sunspot. number was first introduced in 1848 by the Swiss astronomer, Johann Rudolph Read more…

IARUMS newsletter – Unknown intruder in 21 MHz band! IARU Monitoring System (IARUMS) Region 1 newsletter reports in June they received a new unknown signal in the 15m band. It was on 21003.5 kHz for several days with long–lasting transmissions, Read more…

SFI = 153 A index = 7 K index = 1 SSN = 113 GEOMAGNETIC STORM WATCH: Minor G1-class geomagnetic storms are possible on July 13th when a high-speed stream of solar wind is expected to hit Earth’s magnetic field. The stream is a mix Read more…