Abstract
THIS communication is based on observations of the Sputnik 3 signal strength carried out from the end of November 1958 at Kiruna Geophysical Observatory, Sweden (67.8° N., 20.4° E.). The 20.005 Mc./s. signals were received on a standard communications receiver (Collins 51 J–4) and recorded on a mV. -pen recorder with a full-scale deflexion time of approximately 1 sec. The receiver was connected to a fixed ‘quad’ 20 Mc./s. antenna with a very low directivity.
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Distributed by the Space Track Control Center, L. G. Hanscom Field, Bedford, Mass.
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LISZKA, L. A Type of Variation of the Signal Strength from 1958 δ2 (Sputnik 3). Nature 183, 1383–1384 (1959). https://doi.org/10.1038/1831383a0
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DOI: https://doi.org/10.1038/1831383a0
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