surveying iii (topographic and geodetic surveys) - Modern Prepper

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SURVEYING III (TOPOGRAPHIC AND GEODETIC SURVEYS)Subcourse EN0593EDITION AUnited States (US) Army Engineer SchoolFort Leonard Wood, MO 6547322 Credit HoursEdition Date: October 2001SUBCOURSE OVERVIEWThis is one of a series of subcourses intended to assist enlisted personnel with improving theirproficiency in job requirements for military occupational specialty (MOS) 82D, Topographic Surveyor.This subcourse covers the fundamental principles and applications of topographic and geodeticsurveying.This subcourse is designed to teach the student the techniques necessary to determine the preciseposition, azimuth, or elevation of a point. Additionally, this publication will provide informationconcerning the description and standardization procedures for performing reconnaissance, preparingstation descriptions, and reporting and briefing survey projects.There are no prerequisites for this subcourse, although it is highly recommended that the studentcomplete subcourses EN0591 and 0592 before beginning this subcourse.This subcourse reflects the doctrine which was current at the time it was prepared. In your own worksituation, always refer to the latest publications.The material in this subcourse is applicable, without modification, to all geodetic-survey projects in allenvironments (prebattle, conventional war, low-intensity conflicts, and postbattle). This subcoursecomplies with the Army doctrine and international precision surveying practices. It does not providepreviously published surveying doctrine or theory and may be supplemented with commerciallyavailable text or previous editions of technical literature.Unless otherwise stated, the masculine gender of singular pronouns is used to refer to both men andwomen.iEN0593
TERMINAL LEARNING OBJECTIVE:ACTION:CONDITION:You will learn the techniques necessary to determine the precise position, azimuth, orelevation of a point; how to describe and standardize procedures for performing areconnaissance; and how to prepare station descriptions, reports, and briefings ofsurvey projects.You will be given this subcourse, a calculator, and an Army Correspondence CourseProgram (ACCP) examination response sheet.STANDARD: To demonstrate competency of this course, you must achieve a minimum score of 70percent on the subcourse examination.EN0593ii
Page 1: SUBCOURSEEN0593EDITIONAUNITED STATE
Page 6 and 7: Part G: Adjusting Precise-Positioni
Page 8 and 9: PART A - FIGURES OF THE EARTH1-1. T
Page 10 and 11: Figure 1-2. Flattening Fractiona. T
Page 12 and 13: 1-3. Geoid. In geodesy, precise com
Page 15 and 16: point in the survey to provide the
Page 18 and 19: one side of a triangle and all of t
Page 20 and 21: Figure 1-10. Simple Triangulation N
Page 22 and 23: observation, contains a light sourc
Page 24 and 25: of a horizontal rod with a small sp
Page 26 and 27: The Airy theory, announced by G. B.
Page 28 and 29: Figure 1-15. Products of the Gravim
Page 30 and 31: a. If the shape of the earth was ex
Page 32 and 33: Figure 1-16. Single Astronomic Stat
Page 34 and 35: Figure 1-17. Astro-Geodetic Deflect
Page 36 and 37: Figure 1-19. Astro-Geodetic Datum O
Page 38 and 39: (c) The significance of a gravity-o
Page 40 and 41: absolute deflections of the vertica
Page 42 and 43: Figure 1-23. Preferred Datumsa. The
Page 44 and 45: 1-17. The World Geodetic System. Be
Page 46 and 47: Figure 1-25. Using the Same Referen
Page 48 and 49: LESSON 1PRACTICE EXERCISEThe follow
Page 50 and 51: 12. Which of the following is assum
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LESSON 1PRACTICE EXERCISEANSWER KEY
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THIS PAGE IS INTENTIONALLY LEFT BLA
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for all military and civilian activ
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i. Additional support for other top
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2-7. Status. At present, topographi
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in both. (North American Datum of 1
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water can impede leveling operation
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A field recording booklet. A single
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PART I - OFFICE WORK2-24. General.
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PART J - SURVEY COMMUNICATION2-28.
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length or side is known, and all th
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second-order, Class I net. The leng
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The number of observations required
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to perform the reconnaissance. Fail
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and cultivated, or fields may have
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e an alphanumeric symbol that is st
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2-53. Intervisibility of Stations.
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station is (K/2) 2 x 0.0676, or one
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Figure 2-8. Similar Triangles Solut
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2-54. Height of Obstructions. It is
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authorized to change the name, it s
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Figure 2-12. Cells Connected in Par
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added as the cells weaken. Three un
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Figure 2-16. Construction Details f
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2-60. Wooden Towers. When it become
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LESSON 2PRACTICE EXERCISEThe follow
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11. The face of the 5-inch signal l
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average line in a triangulation sys
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3-4. Slope Measurements. The slope
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strip as close as possible to its f
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. Sight along the tops of both of t
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Column 1. Record the station number
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stake to steady it. With the back o
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Figure 3-3. DA Form 4446 (Sample of
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micrometer in this optical system i
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laterally across the front of the e
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Figure 3-7. Horizontal Circle and M
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out of adjustment. If the index mar
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(1) In order to avoid instrumental
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location of the vertical circle on
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Figure 3-13. Open Traversec. Closed
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designate the exact point of refere
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example, a line with an azimuth of
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When adjusting a traverse that star
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11. The unit of graduation on a hor
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differential leveling. The theodoli
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additional runs are made due to exc
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Figure 4-2. Wild N-3 Precision Leve
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(8) Loosen the azimuth clamp (13),
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4.7. Miscellaneous Equipment. In ad
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(2) To check for gross errors in th
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(a) (1) Begin by completing the inf
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Set up and level the instrument. Re
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Figure 4-8. Sun and Wind Code(5) Th
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(10) Enter the interval between the
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Figure 4-9. Closed-Circuit River Cr
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Figure 4-11. Sample DA Form 5820 (R
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is 0. When the telescope is pointed
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stations. However, since all statio
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a. Complete the heading, as shown.b
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a. (1) Enter the date, as in the sa
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11. The maximum length of site to o
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PART A - GLOBAL POSITIONING SYSTEM
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5-7. Pseudorange. A pseudorange is
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5-15. Number of Pseudorange Observa
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i. Probable Error Measures. The acc
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Table 5-1. Representative GPS Error
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Table 5-2. Carrier Phase Trackinga.
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exercise extreme caution in applyin
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not be designed or performed to ach
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Table 5-3. GPS-S Design, Geometry,
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f. Multiple/Repeat Baseline Connect
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possible ionospheric and tropospher
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Figures 5-4. PDOP Versus Time PlotP
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e. Field Processing and Verificatio
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All carrier phase relative-surveyin
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time spent and the cost of conducti
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movement between occupation sites,
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5-37. General. GPS baseline solutio
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(1) Receiver Time. This technique u
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NOTE: Repeated baselines should be
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5-43. Loop Closure Checks. Postproc
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necessary to determine approximate
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This will ensure that future work w
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may (and usually does) far exceed t
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important in evaluating the overall
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i. Relative GPS baseline standard e
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12. When the networking method is s
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FAR-77 obstructions. Aircraft-movem
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Figure 6-1. Imaginary SurfacesEN059
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Figure 6-3. Approach Surfacesa. Fed
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. Federal Aviation Regulation-77, S
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Table 6-4. Airport Obstruction Accu
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A horizontal scale of 1:12,000 and
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Figure 6-4. Sample DA Form 5821 (Ai
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Figure 6-5. Sample DA Form 5822 (PA
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