432 
PROPAGATION THROUGH THE STANDARD ATMOSPHERE 
TaBLE 14. Height-gain factors (first mode). 
Earth, Very Dry Soil. \ = 1.0m; 5y = 0.426 X 10° (— 1.1°); 6, = 2.6 X 104 (0°); 1, = 10.86; ly = 2.72. 
First mode height-gain factors, hc = 30. m;e = ar = 0.01667; Q = 66.67. 
) 
h Hy, g (6) g i 
Polar- lh eh ehg (6) Eq. (157) Hygg' _—|20 log (Hzg9') 
m ization Fig. 47 Fig. 55 Fig. 36 Fig. 55 
H 1086 iL 1 1 1 0 
QOL iy 0272 il 1 1 1 0 
ross 1.086 15 1 1 1.5 3.5 
; V 272 iL, 1 1 1 0 
Ree ae 2.725 3. 1 1 2.73 8.68 
; V 68 1.25 1 1 1.25 1.9 
, H 5.43 55 1 1 5.5 148 
5 V 1.36 1.7 1 1 rez 4.6 
j H 10.86 10.86 1 1 10.86 20.7 
: V 2.72 2.8 1 1 2.8 8.9 
: H 32.58 32.58 1 1 32.58 30.3 
V 8.16 8.16 1 1 8.16 18.2 
e H 108.6 108.6 1 1 108.6 40.7 
V 27.2 27.2 1 1 27.2 28.7 
Bi H 325.8 DEE | on 1 0.5 i 1 325.8 50.3 
: 4 81.6 81.6 1 05 1 1 81.6 38.3 
H | 1,086. 1,086. 1 1.667 15 1 1,630 64.2 
100. V 272. 272. a 1 1.667 1.5 1 408 52.2 
aaa H | 3,258. 3,258. 2 1 B, 43 1 14,000 82.9 
; Vv 816. 816. ; 1 Bi 43 1 3,510 70.9 
008 H | 10,860. OREO. | race 1 16.67 100 1 | 1.086 x 10°] 120.7 
AUED: V | 2,790. 2,720 1 16.67 100. 1 |0.272 x 108| 108.7 
H |21,720. 21,720. 1 33.33 1,585. 1 |344 x 107| 151. 
2,000: v | 5,440. 5440, |) 2232 1 33.33 1,585. 1 |0863%107| 139. 
Ane H |54,300. | 54,300. | 99 a3 1 83.33 |1.497x10°| 1 |813 x10°| 218. 
Huby: V_ | 13,600. 13,600. : 1 83.33 |1.497x10°| 1 |2.035x10| 206. 
