COMPUTING THE MODIFIED INDEX OF REFRACTION. M 



81 



Table 3G. H for / from 30 C (86 F) to 40 C (104 F); h to 2,000 ra (6,562 ft). 

 Po = 1,000 mb at sea level 



86.0 



87.9 



89.6 



91.4 



93.2 



95.0 



96.8 



98.6 



100.4 



102.2 



104.0 



Table 4. G for h from 50 m (164 ft) to 2,000 m (6,562 ft) and t from -30 C (-22 F) to 40 C (104 F). 



h (m)\ 



i 50 



100 



150 



200 



250 



300 



350 



400 



450 



500 



600 



700 



800 



900 

 1,000 

 1,500 

 2,000 



-22.0-13.0 -4.0 +5.0 14.0 23.0 32.0 41.0 50.0 59.0 68.0 77.0 86.0 95.0 104.0 



/ h (ft) 



164.0 



328.1 



492.1 



656.2 



820.2 



984.3 



1,148.0 



1,312.0 



1,476.0 



1,640.0 



1,969.0 



2,297.0 



2,625.0 



2,953.0 



3,281.0 



4,921.0 



6,562.0 



\<F 



