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NOSC Technical Report 677 (TR 677) / \/?fi~' /J-/0 f 1 



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AIRBORNE MAN-MADE RADIO NOISE ASSESSMENT, 



Rr.AD INSTRUCTIONS 

 BEFO RE COMPLETING FORM 



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T.N.Roy | 



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«G ORGANIZATION NAME AND ADDRESS 



Naval Ocean Systems Center 

 San Diego. C A 92152 



8 CONTRACT OB GRANT NUMBEH/t) 



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10. PROOR~A*Mfi_EuENT. PROJECT. TASK 

 AREA 6JJOWICTJW1T NUMBERS 



11402N/XI083-SB j 

 532MP43 



I CONTBOLLI 



NG OFFICE NAME ANO ADDRESS 



Dcfer.se Communications Agency 

 Naval Electronic Systems Command 



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IS SECU»ITY CLASS, fof IM. r.par.V 



Unclassified 



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Approved for public release; distribution unlimited. 



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18. SUPPLEMENTARY NOTES 



19 KEY WORDS (Con.lnu. on ....... .Id. II n.c...-^Y -nd Id.nllly "l- »'«» ""»"•'> 



airborne man-made radio noise 

 surface man-made radio noise 

 meteor burst communications 



radio noise maps 



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— ' An airborne man-made radio noise model has been developed and programmed on a graphics 

 computer at the Naval Ocean Systems Center. This model provides a useful approximation to the 

 geographical dependence of airborne man-made radio noise in the continental United States. Radio 

 noise maps produced from this model are used to evaluate the effect of man-made radio noise on the 

 operation of meteor burst communication systems. 



Equations developed by Skomal (E. N. Skomal. Man-Made Radio Noise, V an Nostrand Reinhold 

 Co., New York, 1978) are used to construct the model. Two parametric equations are used to model 

 the'height gain of man-made radio noise as & function of distance, to 1 50 miles, from the source. JCojjiX^J^ 



DD .Tn W73 



EDITION OF I NOV «» IS OBSOLETE 



S/N 0102- LF-OW-6601 



UNCLASSIFIED 



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