412 
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w 
& 
DIELECTRIC EARTH 
4h 
10 
sd 
d(m) 
2 
! 
4 
3 
A) 
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re} 
7 
es 
a 
3u< 
Sd 2 
& 
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05 
02 
PROPAGATION THROUGH THE STANDARD ATMOSPHERE 
d (km) 
10 
The d andsd scales 
may be multiplied by 
any suitable power 
of 10 to accommo- 
date values of d 
greater than 10 km 
Relation of A, 
and d 
Figure 40. Relation of ), sd [representing sdf(6)], and d. 
See Figure 31. f(6) = 1for6 >> 1. 
where k may now have any value. A itself will 
change to A’ where 
Naa ey" 
4 
Figure 30 illustrates the values of (3k/4)” for various 
(171) 
d(m) eh 20L0Gg h(n) 20L0Gh 
Ma 1000 60 
300 
250 
200 200 
.02——02 
150 55 
100 
500 
.0 3-03 
=|—100 
0404 60 400 
80 
0505 40 ie 
30 60 S109 
50 
20 40 
: z 200 
Bo 45 
, 10 
z \ 20 
- fe) \ 
2 =2 = \ 
= < 
ie 5ss—+15 
< at Yeic 
Wi 33 ES (les 100-——40 
L $5 2S 6 
a .4 470 
- < 
4 
t as) rf) Liz e \ 
a = ‘e 
(2) \ 
Ree ae 35 
> : \ 
= \ 50 
{ 
40 
\ 
os) = \ 
as \ 30 
\ 
> 3 30 . 
2 : 
oa + 
3 a ; 
3 9 20 
4 3S 25 
el u 
5 
5 
10 WO aaiemae 
Ficure 41. eh [representing ehg(6)], 20 log g versus n) See 
Figures 35 and 42. 
values of k and n used in equations (169), (170), and 
(171). Figure 43 gives the same information in 
nomographic form. 
Hence if a coverage diagram is known for k = 4/3, 
then the same diagram can be used for k ~ 4/3 if the 
diagram is interpreted in terms of h’, d’, and A’. 
