[Mldxcc] Solar storm, northern lights

Dave Sanders eprd2016 at pacbell.net
Fri Sep 8 12:30:33 EDT 2017


No wonder I can't hear anyone on HF ;)  

Dave K6KNS


----- Original Message -----
From: Rick Bates (WA6NHC) <wa6nhc at gmail.com>
To: MLDXCC <mldxcc at contesting.com>
Sent: 9/7/2017 6:06:19 PM
Subject: [Mldxcc] Solar storm, northern lights



WOW!!!


Space Weather Message Code: ALTK08
Serial Number: 23
Issue Time: 2017 Sep 07 2350 UTC

ALERT: Geomagnetic K-index of 8
Threshold Reached: 2017 Sep 07 2350 UTC
Synoptic Period: 2100-2400 UTC
 
Active Warning: Yes
NOAA Scale: G4 - Severe

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 45 degrees Geomagnetic Latitude.
Induced Currents - Possible widespread voltage control problems and some protective systems may mistakenly trip out key assets from the power grid. Induced pipeline currents intensify.
Spacecraft - Systems may experience surface charging; increased drag on low earth orbit satellites, and tracking and orientation problems may occur.
Navigation - Satellite navigation (GPS) degraded or inoperable for hours.
Radio - HF (high frequency) radio propagation sporadic or blacked out.
Aurora - Aurora may be seen as low as Alabama and Northern California


Rick WA6NHC


Tiny iPhone keypad & spiel Czech happens
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