Direction: Strictly write in 4 bond paper, because my activity. book have 4 spaces. This is actually For maritime industry course, but I think geometry can do this. Use nautical almanac. Sample calculation (Azimuth - Sun): On 09th May 2006 at 05h30m 00s UTC, a vessel in position 55°00'N 002° 00W observed the Sun bearing 073° by magnetic compass. Find the compass error. If variation is 5'W. calculate the deviation. GHA Sun (09d 05h): 255° 53.2 Increment (30m 005): 007° 30.0 GHA Sun: 263° 23.2' Longitude (w): (-) 002° 00.0' LHA Sun- 261°23.21 Declination Coad 05h) NO 17° 19.2' d(0.7): (+) 00.4 Declination Sun: N017° 19.6' P 360-261° 23.2' = 98° 36.8' (if LHA > 180°, P= 360-LHA) A Tan A A = Latitude / Tan P Tan 55° 00'/Tan 98° 36.8' hour angle is between 090° and 270°) 0.21 6327 037 NCA is named opposite to longitude, except when B: Tan Declination I sin P 8. Tan 017° 19.6' / Sin 98° 36.8' 8. 0.31 55 34 702 NCB is always named same as declination) C = A + B = 0.531861759 NCC correction A +/- B: If A and B have same name add, If different name-subtract) Tan Azimuth 1/ CC X (os Latitude) = Tan Azimuth: 3.278007549 Azimuth N 73.0 EC Azimuth takes combined name of C correction and Hour Angle-If LHA is between 0° and 180'. it is named "west", if LHA is between 180° and 360°, it is named "east") · True Azimuth 13.0° 2 Compass Azimuth 73.0° Compass Error: NIL Variation 5.0° west Deviation 5.0 East
Direction: Strictly write in 4 bond paper, because my activity. book have 4 spaces. This is actually For maritime industry course, but I think geometry can do this. Use nautical almanac. Sample calculation (Azimuth - Sun): On 09th May 2006 at 05h30m 00s UTC, a vessel in position 55°00'N 002° 00W observed the Sun bearing 073° by magnetic compass. Find the compass error. If variation is 5'W. calculate the deviation. GHA Sun (09d 05h): 255° 53.2 Increment (30m 005): 007° 30.0 GHA Sun: 263° 23.2' Longitude (w): (-) 002° 00.0' LHA Sun- 261°23.21 Declination Coad 05h) NO 17° 19.2' d(0.7): (+) 00.4 Declination Sun: N017° 19.6' P 360-261° 23.2' = 98° 36.8' (if LHA > 180°, P= 360-LHA) A Tan A A = Latitude / Tan P Tan 55° 00'/Tan 98° 36.8' hour angle is between 090° and 270°) 0.21 6327 037 NCA is named opposite to longitude, except when B: Tan Declination I sin P 8. Tan 017° 19.6' / Sin 98° 36.8' 8. 0.31 55 34 702 NCB is always named same as declination) C = A + B = 0.531861759 NCC correction A +/- B: If A and B have same name add, If different name-subtract) Tan Azimuth 1/ CC X (os Latitude) = Tan Azimuth: 3.278007549 Azimuth N 73.0 EC Azimuth takes combined name of C correction and Hour Angle-If LHA is between 0° and 180'. it is named "west", if LHA is between 180° and 360°, it is named "east") · True Azimuth 13.0° 2 Compass Azimuth 73.0° Compass Error: NIL Variation 5.0° west Deviation 5.0 East
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.5: Similarity And Measurement
Problem 2E
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Transcribed Image Text:Direction: Strictly write in 4 bond paper, because my activity.
book have 4 spaces. This is actually For maritime
industry course, but I think geometry can do this.
Use nautical almanac.
Sample calculation (Azimuth - Sun):
On 09th May 2006 at 05h30m 00s UTC, a vessel in position
55°00'N 002° 00W observed the Sun bearing 073° by magnetic
compass. Find the compass error. If variation is 5'W.
calculate the deviation.
GHA Sun (09d 05h):
255° 53.2
Increment (30m 005):
007° 30.0
GHA Sun:
263° 23.2'
Longitude (w):
(-) 002° 00.0'
LHA Sun-
261°23.21
Declination Coad 05h)
NO 17° 19.2'
d(0.7):
(+)
00.4
Declination Sun:
N017° 19.6'
P 360-261° 23.2' = 98° 36.8' (if LHA > 180°, P= 360-LHA)
Transcribed Image Text:A Tan
A
A =
Latitude / Tan P
Tan 55° 00'/Tan 98° 36.8'
hour angle is between 090° and 270°)
0.21 6327 037 NCA is named opposite to longitude, except when
B: Tan Declination I sin P
8. Tan 017° 19.6' / Sin 98° 36.8'
8. 0.31 55 34 702 NCB is always named same as declination)
C = A + B = 0.531861759 NCC correction A +/- B: If A and B
have same name add, If different name-subtract)
Tan Azimuth 1/ CC X (os Latitude)
=
Tan Azimuth: 3.278007549
Azimuth N 73.0 EC Azimuth takes combined name of C correction
and Hour Angle-If LHA is between 0° and 180'. it is named "west", if
LHA is between 180° and 360°, it is named "east")
·
True Azimuth 13.0°
2
Compass Azimuth 73.0°
Compass Error: NIL
Variation 5.0° west
Deviation 5.0 East
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