182 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1964 



No. 133, August 16, 1963 

 The determination of absolute directions in space with artificial satellites, 

 by G. Veis. 

 No. 134, September 12, 1963 

 On the distribution of surface heat flows and the second order variations in 

 the external gravitational field, by G. Y. Wang. 

 No. 135, September 16, 1963 

 Formulae and tables for the computation of lifetimes of artificial satellites, 

 by L. G. Jacchia and J. Slowey. 

 No. 136, September 17, 1963 

 Atmospheric heating in the auroral zones: A preliminary analysis of the 

 atmospheric drag of the Injun III satellite, by L. G. Jacchia and J. Slowey. 

 No. 137, September 30, 1963 

 Catalog of precisely reduced observations: Satellite 1960 y2 (Transit IB) 

 for May 7-19, 1960; Satellite 1960 tl (Echo 1) for Aug. 12-31, 1960; and 

 Satellite 1961 SI {Explorer 9) for July 1-Dec. 31, 1961, prepared by P. 

 Stern. 

 No. 138, October 1, 1963 



Catalog of precisely reduced observations: Satellites 1959 al {Vanguard 2), 



1959 V {Vanguard 3), 1960 i2 {Echo 1 rocket), and 1961 51 {Explorer 9) 

 for Jan. 1-June 30, 1962, prepared by P. Stern. 



No. 139, October 15, 1963 



Optical radar results and meteoric fragmentation, by G. Colombo and G. 

 Fiocco. 

 No. 140, January 24, 1964 



Construction of Neweomb operators on a digital computer, by I. G. Izsak, 

 J. M. Gerard, R. Efimba, and M. P. Barnett. 

 No. 141, January 30, 1964 



Satellite orbital data: Satellites 1959 al {Vanguard 2), 1959 t) {Vanguard S), 



1960 (2 {EcJw 1 rocket), and 1961 51 {Explorer 9) for Jan. l-Jnne 30, 1962; 

 Satellite 1960 j31 {Tiros 1 rocket) for Apr. 12-May 26, 1960; Satellite 1960 

 ^2 {Tiros 1) for Apr. 12-Sept. 15, 1900; Satellite 1960 tl {Echo 1) for 

 Aug. 14-30, 1960; Satellite 1961 ol {Transit J, A) for Aug. 11, 1961-June 25, 

 1962; and Satellite 1961 o2 {Injun 3), for Aug. 11, 1961-June 29, 1962, pre- 

 pared by I. G. Izsak. 



No. 142, January 31, 1964 



Satellite orbital data: Satellites 1958 a {Explorer 1) , 1959 al {Vanguard 2), 

 1959 r, {Vanguard 3), 1959 il {Explorer 7), 1960 il {Echo 1), 1960 a 

 {Explorer 8), and 1961 SI {Explorer 9) for Jan. l-Apr. 1, 1063, prepared 

 by I. G. Izsak. 

 No. 143, February 3, 1964 



Inhomogeneous distribution of the radioactive heat sources. I. Theory, by 

 C. Y. Wang. 

 No. 144, February 10, 1964 



Geodesies on an equipotential surface of revolution, by W. KOhnlein. 

 No. 145, February 17, 1964 



On the luminous efficiency of meteors, by F. Verniani. 

 No. 146. February 24, 1964 



On the visual tracking of two bright satellites from C-130-type aircraft, by 

 R. C. Vanderburgh. 

 No. 147, February 27, 1964 

 Catalog of precisely reduced observations: Satellite 1960 pi {Tiros 1 rocket) 

 for Apr. 5-June 1, 1960 ; Satellite 1960 /32 {Tiros 1) for Apr. 5-Sept. 21, 1960 ; 



