SUBCOURSE EDITION - Modern Prepper

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Step 14: Set the dividers or compass for an additional increment of the "grid interval" plotting sizeusing the invar scale (if the original plotting size is 2 centimeters, set the dividers at 4 centimeters), andestablish the subdivision for the measurement (fig 2-16). This is the exact same procedure as wasdescribed in step 13 except we are now using a 4 centimeter measurement instead of 2 centimeters.Figure 2-16. Placing dots on horizontal/vertical centerline outside grid lines.Figure 2-17. Dots on horizontal/vertical centerlines and outside grid lines.31
Step 15:2-17).Continue the procedure established in step 14 until all subdivisions have been established (figCAUTION: Do not attempt to "step off" the plotting size. Any error, however slight, in themeasurement will become progressively larger, causing the grid to fail to meet the required standards.Always establish a new measurement from the centerline as was indicated.Follow the same procedures as outlined in step 13, but increase each measurement by the "grid interval"plotting size (2 centimeters for this sample). Continue to mark 2 centimeter increments until all thesubdivisions are marked off.Step 16: Connect the subdivisions with straight lines using the straightedge and a 5-H pencil (fig 2-18).We are almost finished now. Take your straightedge and align it to three of the subdivisions and draw astraight line. This is one of the grid lines. Continue this procedure until all of the grid lines have beendrawn. Care mast be taken to insure that the grid lines are drawn through the center of eachsubdivision needle mark. If not, the grid will be inaccurate and all your work will have been in vain.Also, keep your pencil sharp, a dull pencil can also ruin a good grid.Step 17: Label the grid in accordance with DA Form 1941 (fig 2-19). Locate the first full grid lineson the grid and label these lines with the first grid lines' values that appear on the DA Form 1941.Then label the remaining grid lines with the appropriate consecutive numbers.Figure 2-18. Dots connect west to east, south to north.32
Page 1 and 2: SUBCOURSEEDITIONEN5302 6US ARMY ENG
Page 3 and 4: PAGELESSON 5 - GEODETIC CONTROL....
Page 5 and 6: GRADING AND CERTIFICATION INSTRUCTI
Page 7: INSTRUCTIONAL CONTENT1. During your
Page 10 and 11: Figure 1-2. DA Form 1941 heading.b.
Page 12 and 13: d. Grid Size (fig 1-4). Now that yo
Page 14 and 15: c. When determining the number of g
Page 16 and 17: REVIEW EXERCISESNow that you have w
Page 18 and 19: Figure 1-5. Completed DA Form 1941.
Page 20 and 21: EXERCISE SOLUTIONS1. C, 125 (para 3
Page 22 and 23: INSTRUCTIONAL CONTENT1. Now that yo
Page 24 and 25: Step 3: Determine the approximate c
Page 26 and 27: Figure 2-5. Swing centerline arc.d.
Page 28 and 29: Divide the results by 2:of the grid
Page 30 and 31: Step 10: Construct the four corners
Page 32 and 33: a. Using the invar scale and beam c
Page 36 and 37: Figure 2-19. Grid labels.This compl
Page 38 and 39: 4. You have found the center of the
Page 40 and 41: LESSON EXERCISE RESPONSE SHEET1. __
Page 42 and 43: LESSON 3 - PROJECTION COMPUTATIONSO
Page 44 and 45: 44Figure 3-1. Completed DA Form 194
Page 46 and 47: (3) The equivalent UTM grid values
Page 48 and 49: Figure 3-4a. Southwest corner.Figur
Page 50 and 51: 50Figure 3-6. DA Form 1932.
Page 52 and 53: a. Heading (fig 3-7). The heading i
Page 54 and 55: 54Figure 3-9. Line showing 38° 30'
Page 56 and 57: (10) The graticule tick 38° 30'W l
Page 58 and 59: 58Figure 3-12. DA Form 1941 (Phoeni
Page 60 and 61: 60Figure 3-13. DA Form 1932 (Phoeni
Page 62 and 63: LESSON EXERCISE RESPONSE SHEET1. __
Page 64 and 65: LESSON 4 - MAP PROJECTION CONSTRUCT
Page 66 and 67: 68Figure 4-1. DA Form 1941 (Virgini
Page 68 and 69: corner, you always plot the distanc
Page 70 and 71: Step 4: The intersections formed by
Page 72 and 73: Step 6: The intersections formed by
Page 74 and 75: Figure 4-11. DA Form 1932.Step 3: E
Page 76 and 77: Refer to the DA Form 1932 (fig 4-12
Page 78 and 79: Step 6: Graticule ticks are plotted
Page 80 and 81: The intersections formed by the 1.2
Page 82 and 83: Step 2: Drafting graticule ticks (f
Page 84 and 85:
REVIEW EXERCISESNow that you have w
Page 86 and 87:
Figure 4-22. DA Form 1941 (Ft. Belv
Page 88 and 89:
Figure 4-23. DA Form 1932 (cont).91
Page 90 and 91:
EXERCISE SOLUTIONS1. B, 0872 (para
Page 92 and 93:
INSTRUCTIONAL CONTENT1. The term "c
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Figure 5-2. Heading information of
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Figure 5-5. Bottom of DA Form 1959
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4. What are the centimeter plotting
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LESSON EXERCISE RESPONSE SHEET1. __
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LESSON 6 - PLOTTING GEODETIC CONTRO
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112Figure 6-1. Completed DA Form 19
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Step 3: Plot the easting value of t
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Step 7: Connect these two arcs with
Page 110 and 111:
REVIEW EXERCISESNow that you have w
Page 112 and 113:
Figure 6-10. Completed DA Form 1959
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LESSON EXERCISE RESPONSE SHEET1. __
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Note: The following material is an
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d. Although Greenwich, England, is
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(3) Lambert Conformal Conic Project
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4-7. Identification of ControlIn or
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For example, if one end of the comp
Page 126 and 127:
horizontal lines, and then repeated
Page 128 and 129:
. To plot the geographic coordinate
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(1) First, determine the correct sp
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(5) Note that for each 5 minutes of
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4-13. Plotting Positions of Control
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5. What is the value of the first f
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PART II - CONSTRUCT MAP PROJECTIONR
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Requirement: Questions 16 through 2
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20. Refer to question 19. From whic
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154Figure 3. Completed DA Form 1959
Page 146:
LEAVENWORTHU.S. GOVERNMENT PRINTING
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SUBCOURSE EDITION - Modern Prepper

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