Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees...
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Transcript of Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees...
![Page 1: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/1.jpg)
Session IV
Measuring
Latitude and Longitude
![Page 2: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/2.jpg)
General Rules
On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute
Set your GPS to read DEGREES – MINTUES - SECONDS
![Page 3: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/3.jpg)
Rules for reading LAT/LON
On a Nautical Chart: Read the Degrees from the
LAT/LON scales. Read the Minutes from the
LAT/LON scales.Measure the Seconds or
Tenth’s of a Minute.
![Page 4: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/4.jpg)
Measuring the Seconds of Latitude.
Step TWO - Stretch the other point of the dividers to nearest Parallel of Latitude.
Step THREE - Without disturbing the opening, move the dividers to the Latitude scale in the left or right margins.
Step FOUR - Read the seconds or tenths of latitude.
1
2
3
4
Step ONE – Place one point of the dividers on the
object or target.
![Page 5: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/5.jpg)
11.0 min.
10.5 min
041 10.7’ N
The LATITUDE SCALE on a Small Scale Chart usually depicts decimal minutes.
Degrees
Minutes
Seconds or Tenths
10.0 min.
041 10’ 42” N
![Page 6: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/6.jpg)
One Minute of
Latitude
equals
One Nautical Mile
DISTANCE
![Page 7: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/7.jpg)
SIXTYSECONDS
OFLATITUDE
ONENAUTICAL
MILE
6 seconds1/10 of a Mile
The Second Scale on a Small Scale Chart
![Page 8: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/8.jpg)
Measuring the Seconds of LongitudeStep ONE - Place one divider point on the object or
target..
Step TWO - Stretch the other point of the dividers back to the nearest meridian of Longitude.
Step THREE - Without disturbing the opening, move the dividers to the Longitude Scale at the top or bottom margin. 1
2
3
4Step FOUR - Read the seconds or tenths of Longitude.
![Page 9: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/9.jpg)
The Longitude Scale
The vertical line from the Bell.
DegreesMinutesSeconds or
Tenths
071 01.4’ W or 071 01’ 24” W
![Page 10: Session IV Measuring Latitude and Longitude. General Rules On a chart, LAT/LON is read in: Degrees Minutes Seconds or Tenth’s of a Minute Set your GPS.](https://reader036.fdocuments.us/reader036/viewer/2022072008/56649d875503460f94a6c06e/html5/thumbnails/10.jpg)
END OF Session IV