234 r. s. COAST ais^d geodetic survey. 



Table 20. — Augmenting factors. 



SHORT-PERIOD COMPONENTS.* /Formula, augmenting factor = — '^^.. A 



V^ 24 sin i^ J 



SHORT-PERIOD COMPONENTS.* /FornUda, augmenting factor = 



360 sin ^ 



f) 



LONG-PERIOD COMPONENTS 



/Formula, augmenting factor = 



vp . a \ 



2 sin 12a y 



Augment- 

 ing factor. 



Logarithm. 



Remarks. 



Mm 

 ML. 

 MSf 

 Sa.. 

 Ssa. 



1. 0050 

 1. 0205 

 1. 0192 

 1.0029 

 1.0116 



Daily sums used as units in the summation for the divisional means, and 

 aU daily sums used; component month for Mm, Mf, MSf, and compo- 

 nent year for Sa and Ssa represented by 24 means. 



♦For component Si, S2, S3, etc., the augmenting factor is unity. 



