TM 5-6675-318-14
Table 4-16. DATUM SHIFT CONSTANTS - Cont
Semi major
R e c i p r o c a l of
Origin Offset (m)
Datum
Axis (km)
F l a t t e n i n g
A
1/F
Wake-Eniwetok 1960
K w a j a l e i n A t o ll
6378.270
297
-112
-68
44
Wake Island
6378.270
297
-121
-62
22
Eniwetok Atoll
6378.270
297
-144
-62
38
Wake Island Astro 1952
6378.388
297
-283
44
-141
4-6.3.4.2 Datum Conversions.
The following procedures are used to enter
parameters and display and retrieve datum conversions while processing data in the
various operating modes.
a.
Local datum based on WGS-72.
(1) Press the clear (C) key and enter code 100 (Table 4-17).
(2) When A is displayed, enter the A value from Table 4-16 for the datum
r e q u i r e d.
(3) When 1/F is displayed, enter the reciprocal of flattening value from
Table 4-16 for the datum required.
r e q u i r e d.
r e q u i r e d.
( 7)
( 8)
( 9)
(10)
(11)
Code 106.
NOTE
In the following steps, if the number to be entered is negative, press the
change sign (+/-) key before entering the number.
(4) When is displayed, enter the value from Table 4-16 for the datum
(5) When is displayed, enter the value from Table 4-16 for the datum
(6) When is displayed, enter the value from Table 4-16 for the datum
When RX is displayed, enter 0.
When RY is displayed, enter 0.
When RZ is displayed, enter + 0.26.
When BS is displayed, enter 0.
When Zone is displayed, and UTM conversion is desired, see Table 4-19,
Change 3 4-101
required.
