Propagation de K7RA

Southgate ARC – Sunspot activity resumed this week, after no sunspots for seven consecutive days. Average daily sunspot number was 7.7, rising from 6.4 in the previous reporting week. Average daily solar flux was 70.1, changed little from 70.2 last week

from rssfeedtop10 https://ift.tt/2LxZ02X
via IFTTT