Reference Code: GBR/0180/RGO 9/627
Scope and Contents
Correspondence regarding time signals, including duration, frequency, times, coordination of signals, equipment adjustments, replies to queries regarding radio time signals, clocks and the publication of lists of signals, the discontinuation of vernier radio time signals, reception reports and maintenance. The papers include the following items:Royal Greenwich Observatory circulars on solar activity, time signal adjustments and international time signals,...
1955 - 1963
Conditions Governing Access:
From the Management Group:
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