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1.
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The occurence of speed F and its effect on HF propagation / R.M. Davis by Series: Telecommunications research and engineering report 28
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : United States Department of Commerce, 1972
Availability: Items available for loan: National Library of India (1)Call number: U.S 551.5 D 297.

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2.
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Short-term prediction of F2-layer maximum usable frequencies from local magnetic avtivity / R. M. Davis by Series: ESSA technical report ; ERL 157-ITS 100
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : U.S. Government Printing Office, 1970
Availability: Items available for loan: National Library of India (1)Call number: U.S 616.9792 D 297.

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3.
No cover image available
Short-term prediction of F2-layer maximum usable frequencies from local magnetic avtivity / R. M. Davis by Series: ESSA technical report ; ERL 157-ITS 100
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : U.S. Government Printing Office, 1970
Availability: Items available for loan: National Library of India (1)Call number: U.S 616.9792 D 297.

Place hold Request article Save to lists
                                                                           
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