surveying iii (topographic and geodetic surveys) - Modern Prepper

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TABLE OF CONTENTSSectionPageSubcourse Overview..................................................................................................................................... iLesson 1: Geodesy for the Layman..........................................................................................................1-1Part A: Figures of the Earth...............................................................................................................1-2Part B: Geodetic Surveying............................................................................................................... 1-7Part C: Geodetic Datums................................................................................................................. 1-24Part D: Connecting Horizontal Datums...........................................................................................1-33Part E: Geodetic Systems.................................................................................................................1-34Practice Exercise...............................................................................................................................1-42Answer Key <strong>and</strong> Feedback............................................................................................................... 1-46Lesson 2: Preliminary Survey Operations............................................................................................... 2-1Part A: Survey Missions.................................................................................................................... 2-2Part B: Survey Operations................................................................................................................. 2-4Part C: Survey Types......................................................................................................................... 2-4Part D: Survey Methods.....................................................................................................................2-5Part E: Survey Classifications........................................................................................................... 2-6Part F: Survey Networks....................................................................................................................2-7Part G: Survey Equipment.................................................................................................................2-8Part H: Fieldwork.............................................................................................................................. 2-9Part I: Office Work.......................................................................................................................... 2-14Part J: Survey Communication........................................................................................................ 2-16<strong>iii</strong>EN0593
Page 1 and 2: SUBCOURSEEN0593EDITIONAUNITED STATE
Page 3: TERMINAL LEARNING OBJECTIVE:ACTION:
Page 7 and 8: LESSON 1GEODESY FOR THE LAYMANOVERV
Page 9 and 10: Table 1-1. Ellipsoid DataFigure 1-1
Page 11 and 12: In Figure 1-3, the geodetic latitud
Page 13: Figure 1-4. The Geoid and the Ellip
Page 16: e. Astronomic observations provide
Page 19 and 20: (2) To establish an arc of triangul
Page 21 and 22: Figure 1-11. Arc Distance Determina
Page 23 and 24: (c) Because of the high altitudes o
Page 25 and 26: attraction of gravity increases at
Page 27 and 28: ellipsoid can be computed. This und
Page 29 and 30: thousand actual swings of the pendu
Page 31 and 32: (1) Horizontal geodetic datum consi
Page 33 and 34: Table 1-2. Deviation of the Laplace
Page 35 and 36: Figure 1-18. Geoid Profile of the 9
Page 37 and 38: The correction to be applied to the
Page 39 and 40: PART D - CONNECTING HORIZONTAL DATU
Page 41 and 42: Figure 1-22. Major Datums in Southe
Page 43 and 44: separations will occur. For this re
Page 45 and 46: entire earth, the theoretical anoma
Page 47 and 48: are unified. An important feature o
Page 49 and 50: 6. Laplace stations are geodetic po
Page 51 and 52: THIS PAGE IS INTENTIONALLY LEFT BLA
Page 53 and 54: 13. A Geodetic and astronomic latit
Page 55 and 56:
LESSON 2PRELIMINARY SURVEY OPERATIO
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d. The United States Army Aeronauti
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surveys. All observations are made
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e. Airfield-engineering and NAVAID
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2-11. Navigation Satellite Timing a
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GPS, triangulation, and traverse st
Page 67 and 68:
Loose-leaf sheets are numbered seri
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least-square adjustment in a survey
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. The primary system for distance d
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order, with a spacing of not more t
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Figure 2-3. Methods Used to Compute
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The collection of terrain and clima
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Other nations. Existing data is som
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encountered when setting a monument
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2-52. Station Description and Sketc
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Table 2-1. Correction for the Earth
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B, and add this to the true elevati
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Figure 2-9. Horizontal Refraction D
Page 91 and 92:
. With regard to permanence of monu
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moderate cost, reflectors can be re
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(5) After a period of use, the volt
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(2) When adjusting the lamp's heigh
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Figure 2-16. Construction Details f
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THIS PAGE IS INTENTIONALLY LEFT BLA
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6. First-order triangulation requir
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LESSON 3HORIZONTAL MEASUREMENTSOVER
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points of the test section should b
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Three Invar tapes (standardized). O
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e. The rear stretcher man holds the
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Figure 3-2. DA Form 4446 (Sample of
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From column 9: +0.232From column 4:
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a. A suggested method of keeping fi
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PART B - MEASURING ANGLES3-11. Tria
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a. Unpacking and Performing Instrum
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method uses both the upright and in
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using both circles is 60' / 30 or 2
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Figure 3-12. Determining the Minute
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procedure to the left, making readi
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(1) To test the theodolite for prop
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(1) Closed Traverse on a Starting P
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If the azimuth error does not fall
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dE = sine 161 12' 30" x 548.74 mete
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make field computations. The record
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5. If there is an experienced forwa
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13. B An open traverseThe open trav
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LESSON 4LEVELINGOVERVIEWLESSON DESC
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enchmark and at least one other exi
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4-5. Precise Leveling. The instrume
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(5) The focusing knob (3) is used t
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(11) The optical micrometer can be
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Figure 4-5. Sample DA Form 5820 (De
Page 161 and 162:
Figure 4-6. Sample DA Form 5820 (Re
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(i) (11) The required constant, C,
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Figure 4-7. Sample DA Form 5820 (Re
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(8) When a leveling line is complet
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(27) Enter the difference between (
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Figure 4-10. Principle of Method Fo
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(4) The program of observation is a
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Beyond 300 meters, the effect of cu
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Figure 4-14. Sample DA Form 5817 (R
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Figure 4-16. Sample DA Form 1943 (A
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k. The data on the bottom portion o
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5. In a three-wire, precise levelin
Page 185 and 186:
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LESSON 5NAVIGATIONAL SATELLITE AND
Page 189 and 190:
a. Space Segment. The space segment
Page 191 and 192:
PART B - ABSOLUTE PRECISE POSITIONI
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signal result in error to the GPS r
Page 195 and 196:
Table 5-1. Representative GPS Error
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in range are directly reflected in
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d. Stop-and-go kinematic surveying
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differential pseudorange solution i
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Table 5-3. GPS-S Design, Geometry,
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obstruction to determine if the mul
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Figure 5-2. GPS-S Network Designd.
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The possible loss of observation ti
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. Antenna Setup. All tribrachs shou
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transmission. Many manufacturers ha
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(2) The stations that are selected
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(5) Accuracy of stop-and-go baselin
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(2) Data collected in the rapid-sta
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time of transmission of the signal
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does not fit into the network adjus
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Figure 5-7. Sample Static Baseline
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known control and how well the GPS
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aseline vectors) are computed forwa
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method by which the misclosure is d
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c. Performing partially constrained
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Figure 5-8. Example of an Adjustmen
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Table 5-5. Point-Closure Standards
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6. Given the changing satellite geo
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14. A Reduced occupation time requi
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LESSON 6AIRFIELD OBSTRUCTION AND NA
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of each runway touchdown zone eleva
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Figure 6-2. OIS Dimensions6-5 EN059
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An inner horizontal surface is an o
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Table 6-1. Control-Station Accuracy
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Runway plans and profiles (RPP). Ta
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Legend. Graphic horizontal and vert
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Table 6-6. Instructions for Complet
Page 261 and 262:
Figure 6-6. Sample DA Form 5827 (IL
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5. Horizontal accuracy requirements
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