The K7RA Solar Update

Discussion in 'ARRL News Feeds' started by American Radio Relay, Sep 18, 2015.

  1. Solar activity is perking up this week. Average daily solar flux rose from 85.3 last week to 97.3 this week (September 10-16).

    Over the same two weeks, average daily sunspot numbers rose from 37.3 to 66.9.

    The latest forecast from USAF/NOAA shows solar flux at 110 on September 18-20, 105 on September 21-22, 100 on September 23, 95 on September 24, 90 on September 25-26, then 85, 80 and 85 on Sep...

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