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SV1XV

SV1XV club

Posted: 08 Feb 2023

Taken: 01 Jan 1977

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radiosonde •

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USSR radiosonde

USSR radiosonde
Tube based soviet radiosonde. R. Amann, J.M.Cooper, R.W.Davies: "The Technological Level of Soviet Industry", ISBN: 0300020767, Yale University Press, 1970.

Caption: An extreme example of delayed innovation: thermionic valves used in a radio sonde, where a very strong case can be established for using transistors. Source: Mashpriborinterg Bulletin, 1970, No. 8, p. 23.

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