21d441f2_tion_Angle_Analyzer_for_VOACAP__Column_heading
[Explanation] the Smoothed Sunspot Number (use 5, 25, 50, 75, 100 and 150 only, for filtering purposes) [Column heading] 
SSN
VOACAP Quick Guide: OH6BG Elevation-Angle Analyzer for VOACAP
Column heading