450 



TABLE 465.— EXTRATERRESTRIAL RADIO FREQUENCY RADIATION 



(concluded) 



Part 2. — Galactic noise from direction of Sagittarius ' 



o •» c -r So 5P° 



E c £ -2 «-2- j.E~ 



£ a-?, u > 2 o.« a g-s S 



Moxon 40 750.0 30,000 35x70 



Hey, Parsons, 



and Phillips .. 65 462.5 10,500 12X30 



Moxon 90 333.3 3,000 35X35 



Reber 160 187.5 5,300 6X8 



Moxon 200 150.0 300 



h S> e -2 gt boo^ 



S b £ JH U.2v .c~ 



u 3 " ^ > 2 g.2 ft o| v 



o £ s £° w Euu ~ <" a 



Reber 480 62.5 230 2X3 



Reber 900 33.3 



Southworth 3000 10.0 Negative results 



but due to low 



Reber 3300 9.1 sensitivity can 



only say 

 Southworth 30,000 1.0 7\,< < 20,000. 



Part 3. — Constant component of solar noise 



Piddington and 

 Minnett 



* -r. 



Dicke and Beringer. 



Southworth 



Sander 



Southworth 



Covington 



Covington 



Lehany and Yabsley, 



Co 



24,000 



24,000 



10,000 



9,375 



1 1 



1.25 

 1.25 

 3 

 3.2 



3,000 10 



2,804 10.7 



2,804 10.7 



1,200 25 



=4? 



1.0X1 0*±10% 



1.0X10* 



1.8X10* 



2.2X10* 



1.8X10* 



5.6X10* 



6.5X10* 



1.0X10»±20% 



O fa 



Lehany and Yabsley.. 600 



Reber 480 



McCready, Pawsey and 



Payne-Scott 200 



Pawsey and Yabsley.. 200 



Lehany and Yabsley.. 200 



Ryle and Vonberg. . . . 175.' 



Reber 160 



Ryle and Vonberg.... 80 



References: a, Bolton, J. G., Nature, vol. 162, p. 141, 1948; b, Bolton, J. G., Stanley, G. J., and 



Slee, O. B., Nature, vol. 164, p. 101, 1949; c. Unpublished; d, Ryle, M., and Smith, F. G., Nature, 



vol. 162, p. 462, 1948; e, Hey, J. S., Parsons, S. J., and Phillips, J. W., Nature, vol. 158, p. 234, 1946; 



f, Bolton, J. G., and Stanley, G. J., Nature, vol. 161, p. 312, 1948; g, Hey, J. S., Parsons, S. J., and 



Phillips, J. W., Proc. Roy. Soc. London, vol. 192, p. 425, 1948; h, Bolton, J. G., and Stanley, G. J., Austra- 



lian Journ. Sci. Res., vol. 2, p. 139, 1949; i, Williamson, R. E., .Journ. Roy. Astron. Soc. Canada, vol. 42, 



p. 9, 1948; j, Pawsey, J L., and Yabsley, D. E., Australian Journ. Sci. Res., vol. 2, p. 198, 1949. 



SMITHSONIAN PHYSICAL TABLES 



