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James A. Van Allen lab journal, March 1958-September 1959
Page 6
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(6) A somewhat weak experimental point - have not tested signal-noise ratio of played - back signal with realistic signal strength. Very difficult to arrange with actual Minitrack system. Basically we are counting on Jack Mengel's Minitrack calibrations. (7) Sensitivity of command receiver - 105 [ohm?]. (8) In playing back Explorer I data McIlwain advocates use of two sharp [illegible] filters [Drawing f vs t of signal and filters]
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(6) A somewhat weak experimental point - have not tested signal-noise ratio of played - back signal with realistic signal strength. Very difficult to arrange with actual Minitrack system. Basically we are counting on Jack Mengel's Minitrack calibrations. (7) Sensitivity of command receiver - 105 [ohm?]. (8) In playing back Explorer I data McIlwain advocates use of two sharp [illegible] filters [Drawing f vs t of signal and filters]
Van Allen Papers
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