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4-43.
What is the Zn?
4-50.
What is the Ha?
1.
120
2.
122
3.
124
4.
126
4-44.
What is the assumed longitude?
4-51 .
1 . 2 7 ° 0 9 . 9 '
2.
27°
1 5 . 4 /
3 . 2 7 ° 3 6 . 7 '
4 . 2 7 ° 4 6 . 7 '
IN ANSWERING QUESTIONS 4-45 THROUGH 4-52,
REFER TO FIGURES 4-C, 4-G, AND 4-H,
LOCATED AT THE END OF THIS ASSIGNMENT.
THE FOLLOWING INFORMATION IS GIVEN TO
SOLVE THE LOCAL APPARENT NOON.
4-45.
DATE:
1 AUGUST 1984
DR LATITUDE:
32°20.1N
DR LONGITUDE:
17°50.0W
ZT LAN OBSERVED:
1218
IC:
1.5
hs:
75°20.1'
HEIGHT OF EYE:
60 FT
What is the standard meridian?
1 .
0 °
2 .
7 1/2°
3.
15°
4.
22 1/2°
4-46.
What is the local mean time of
meridian passage?
1 . 1 2 0 6
2 . 1 2 1 8
3 . 1 2 3 0
4 . 1 3 0 0
4-47.
What is the zone description?
1.
0
2.
+l
3.
-1
4.
+2
4-48.
What is the d correction?
1.
+.2
1.
0.25'
2.
-.2
2.
0.50'
3.
+.6
3 . 1 . 0 '
4.
-.6
4 . 1 . 5 '
4-49.
What is the IC correction?
1.
0
2.
( + ) 1 . 5
3.
( - ) 1 . 5
4.
+3.0
4-52.
4-53.
1.
75°14.1'
2.
75°18.6'
3.
75°21.6'
4.
75°30.0'
What is the Ho?
1.
75°14.1'
2.
75°18.6'
3.
75°21.6'
4.
75°29.8'
What is the latitude by LAN?
1.
32°20.0'
2.
32°21.0'
3.
32°21.6'
4.
32°24.2'
What method(s) is/are used in
taking sights of LAN?
1.
Maximum altitude only
2.
Numerous sights only
3.
A l t i t u d e s u s p e n s i o n
4.
Maximum altitude and numerous
s i g h t s
4-54.
Maximum altitude is recommended
b e c a u s e o f i t s a d a p t a b i l i t y t o
v a r i o u s c o n d i t i o n s , a n d b e c a u s e i t
develops an insight into how
altitude varies near LAN?
1.
True
2.
False
4-55.
When observing LAN, how many
minutes prior to the computed time
should the observer commence taking
s i g h t s ?
1.
5
2.
10
3.
15
4.
20
4-56.
If LAN is accurate, what should the
maximum latitude error be?
18
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