IGY Solar Activity

Scope and Content

List of solar activity observations to be made in Britain; typescript re the need for a Lyot ha Heliograph near the Zero Meridian; correspondence re centralizing data and dealing with it-along with a Recommended Plan from the IGY; typescript note by Lovell (1958) on the analysis of 80 Mc/s and 200 Mc/s solar noise records; Instruction Manual Solar Activity by Yngve Ohman.