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James A. Van Allen lab journal, March 1958-September 1959
Page 38
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10) 108.00 mc./sec. transmitter with turnstile antenna, battery powered, controlling crystal in central part of payload. 11) 108.08 mc/sec transmitter with linear antenna, solar battery powered only (no chemical batteries) Will work during sunlight only. Crystal in thermal contact with outer shell of 6.4" sphere. 12) The relative drift of r.f. frequency of the two transmitters will be a differential thermometer. - (as well as two absolute [ones?] ?) 13) Something may be learned about erosion of surface from way in which
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10) 108.00 mc./sec. transmitter with turnstile antenna, battery powered, controlling crystal in central part of payload. 11) 108.08 mc/sec transmitter with linear antenna, solar battery powered only (no chemical batteries) Will work during sunlight only. Crystal in thermal contact with outer shell of 6.4" sphere. 12) The relative drift of r.f. frequency of the two transmitters will be a differential thermometer. - (as well as two absolute [ones?] ?) 13) Something may be learned about erosion of surface from way in which
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