1

MOQ
NN

Oo

180

i

Lt

6

270

L

l2

1

1

{

igs

LOCAL REAL TIME (HOURS)
O
90
LONGITUDE ( DEGREES EAST)

eV

Pig. 2 -- Horizontal pressure field at 660-km altitude

{

24

180

- 45

5

FS
+30

L45
- 60

P75

(DEGREES)

IKI

+ 6O

LATITUDE

7

Select target paragraph3