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How to Determine the Height of Tide, Continued
OPNAV 3530/40 (4-73)
HT OF TIDE
Ref Sta
HW/LW Time
HW/LW Time
Diff
Sub Sta
HW/LW Time
Ref Sta
HW/LW Ht
HW/LW Ht Diff
Sub Sta
HW/LW Ht
Step
Action
9.
From the reference station (see fig.
7-4), enter the values for the HW and
LW that 0700 falls between. See
figure 7-3.
10.
Write in the values from steps 5 and
6.
11.
Apply time difference corrections.
12.
From the reference station (table 1)
enter the values for the HW and LW
heights that correspond with step 9.
13.
Write in the values from steps 7 and
8.
14.
Apply height difference corrections.
Completed Strip
Form
HW 1241/ LW 0536
HW +50 / LW + 46
1241
0536
+ 50
+ 46
1331
0622
HW Time
LW Time
HW 4.7 / LW 1.2
HW *0.84 / LW *0.85
4.7 * .84=3.9 HW Height
1.2 * .85 =1.0 LW Height
Figure 7-4. Excerpt from Tide Table, table 1.
7-9
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