22 RADIO REFRACTIVE INDEX OF AIR 



[25] Bauer, J. R., W. C. Mason, and F. A. Wilson (27 Aug. 1958), Radio refraction in 

 a cool exponential atmosphere. Tech. Rept. No. 186, Lincoln Laboratory, 

 Massachusetts Institute of Technology, Cambridge, Mass. 



[26] Bean, B. R., and G. D. Thayer (May 1959), On models of the atmospheric re- 

 fractive index, Proc. IRE 47, No. 5, 740-755. 



[27] Bean, B. R., L. Fehlhaber, and J. Grosskopf (Jan. 1962), Die Radiometeorologie 

 und ihre Bedeutung fiir die Ausbreitung der m-, dm,- und cm-Wellen auf 

 grosse Entfernungen, 15, 9-16, Nachrichtentechnische Zeitschrift. 



[28] Lane, J. A. (1961), The radio refractive index gradient over the British Isles, 

 J. Atmospheric Terrest. Phys. 21, Nos. 2/3, 157-166. 



[29] Bean, B. R., and L. P. Riggs (July-Aug. 1959), Synoptic variation of the radio 

 refractive index, J. Res. NBS 63D (Radio Prop.), No. 1, 91-97. 



[30] Bean, B. R., L. P. Riggs, and J. D. Horn (Sept.-Oct. 1959), Synoptic study of the 

 vertical distribution of the radio refractive index, J. Res. NBS 63D (Radio 

 Prop.), No. 2, 249-258. 



[31] Craig, R. A., I. Katz, R. B. Montgomery, and P. J. Rubenstein (1951), Gradient 

 of refractive modulus in homogeneous air, potential modulus, Book, Propaga- 

 tion of Short Radio Waves, ed. D. E. Kerr, pp. 198-199 (McGraw-Hill Book 

 Co., Inc., New York, N.Y.). 



[32] Craig, R. A., I. Katz, R. B. Montgomery, and P. J. Rubenstein (1951), Gradient 

 of refractive modulus in homogeneous air, potential modulus. Book, Propaga- 

 tion of Short Radio Waves, ed. D. E. Kerr, p. 189 (McGraw-Hill Book Co., 

 Inc., New York, N.Y.). 



[33] Jehn, K. H. (June 1960), The use of potential refractive index in synoptic scale 

 radio meteorology, J. Meteorol. 17, 264. 



[34] Bean, B. R., and R. M. Gallet (Oct. 1959), Applications of the molecular re- 

 fractivity in radio meteorology, J. Geophys. Res. 64, No. 10, 1439-1444. 



[35] Waynick, A. H. (Oct. 1940), Experiments on the propagation of ultra-short-wave 

 Proc. IRE, 28, 468-475. 



[36] Smith-Rose, R. L., and A. C. Stickland (Mar. 1943), A study of propagation 

 over the ultra-short-wave radio link between Guernsey and England on wave- 

 lengths of 5 and 8 meters, J. lEE 90, No. Ill, 12-24. 



[37] Burrows, C. R., and S. S. Atwood (1949), Radio wave propagation, Consolidated 

 Summary Technical Report of the Committee on Propagation, NDRC, p. 219 

 (Academic Press, Inc., New York, N.Y.). 



[38] Essen, L. (Mar. 1953), The refractive indices of water vapour, air, oxygen, 

 nitrogen, hydrogen, deuterium, and helium, Proc. Phys. Soc. B 66, 189-193. 



[39] Birnbaum, G., S. J. Kryder, and H. Lyons, (Aug. 1951), Microwave measure- 

 ments of the dielectric properties of gases, J. Appl. Phys. 22, 95-102. 



[40] Meteorological Factors in Radio Wave Propagation (1946), (The Physical So- 

 ciety, London, England) Foreword. 



[41] Englund, C. R., A. B. Crawford, and W. W. Mumford (July 1935), Further 

 results of a study of ultra-short-wave transmission phenomena. Bell Sys. 

 Tech. J. 13, 369-387. 



[42] Magee, J. B., and C. M. Grain (Jan. 1958), Recording microwave hygrometer, 

 Rev. Sci. Instr. 29, 51-54. 



