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THEORETICAL GROUP HEIGHTS OF REFLECTION OF 150KC/S RADIO WAVES VERTICALLY INCIDENT ON THE IONOSPHERE
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THE PHASE AND GROUP PATHS OF RADIO WAVES RETURNED FROM REGION-E OF THE IONOSPHERE
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JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS,
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JONES, IN PRESS J ATM TERRE, V3
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CATHODE-COUPLED NEGATIVE-RESISTANCE CIRCUIT
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PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1948, 36 (08)
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