2 items found
Author is exactly "Huancayo Magnetic Observatory"
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Huancayo Spread F
Start Date:1938
End Date:1945
Creator:Papers of Grote Reber
Series:Ionosphere Series
Unit:Spread F Unit
Type:Text
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Huancayo Spread F
Start Date:1939
End Date:1943
Creator:Papers of Grote Reber
Series:Ionosphere Series
Unit:Spread F Unit
Type:Text