surveying iii (topographic and geodetic surveys) - Modern Prepper

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e an alphanumeric symbol that is stamped on the respective disk monument. The name that appears onthe control point for publication purposes should be the same as the name that actually appears on themonument. Old stations that are reestablished are given the previous name with a numerical suffixadded. In the absence of guidance from the customer, adhere to the following rules: Use the name of a nearby geographical feature. Use short names with a maximum of 25 characters, including spaces. Include the name of the agency or unit that set the monument if it is not precast. Make sure the station name is spelled correctly on all documents. Do not use special characters such as periods, commas, slashes, or equal signs. Do not include nondescriptive terms or personal names.2-51. Landowner Permission. Permission must be obtained before conducting a survey on any privateland. The survey section sergeant or the party chief, working through the local Judge Advocate General(JAG), will contact and negotiate with landowners for access to prospective station sites. Writtenpermission to enter the land is preferred because it is documented. The local JAG will assist in thismatter and will help keep the military out of potential trouble.a. Survey Land Within the United States. Reconnaissance and survey parties should have a rightof-entryletter from their headquarters to enter a selected area. This letter does not entitle the surveyteam to access private property or restricted areas without further permission. When the landowner iscontacted, a full explanation of the work to be done is given without any attempt to conceal anyinconveniences or damage that may arise. Government regulations concerning damage claims should beexplained. In the case of an absentee owner, a letter explaining the work and requesting consent toaccess the property should be mailed.b. Survey Land Outside of the United States. When working in other nations, the appropriateofficer of the US embassy within that country will generally negotiate the right-of-entry letters foroverall areas within that country. However, a right-of-entry letter or approval from the host nation is notalways sufficient for access to all public lands within the national boundaries. It is sometimes necessaryto contact the local officials where the work is to be performed. Agreements will be conductedaccording to local customs. Some countries consider an oral agreement, or any statement that could beconstrued to be an oral agreement, to be contractual and binding. Any transfer of assets (material orotherwise) requires close coordination with the JAG.EN0593 2-28
2-52. Station Description and Sketch. The reconnaissance party prepares a description and sketch ofall newly established permanent, temporary, and recovered stations. Stations recovered, but not used,must also have a description completed. The description and sketch should be completed on a DA Form1959, as shown in Figure 2-4, or in an appropriate field book. The field record should be completed infreehand using vertical gothic lettering. A final DA Form 1959 should be typed and kept with theofficial records.Figure 2-4. Sample DA Form 1959 (Recovery Card, Horizontal Control)2-29 EN0593
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SUBCOURSEEN0593EDITIONAUNITED STATE
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TERMINAL LEARNING OBJECTIVE:ACTION:
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Part G: Adjusting Precise-Positioni
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PART A - FIGURES OF THE EARTH1-1. T
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Figure 1-2. Flattening Fractiona. T
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1-3. Geoid. In geodesy, precise com
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point in the survey to provide the
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one side of a triangle and all of t
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Figure 1-10. Simple Triangulation N
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observation, contains a light sourc
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of a horizontal rod with a small sp
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The Airy theory, announced by G. B.
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Figure 1-15. Products of the Gravim
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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
Page 52 and 53: LESSON 1PRACTICE EXERCISEANSWER KEY
Page 54 and 55: THIS PAGE IS INTENTIONALLY LEFT BLA
Page 56 and 57: for all military and civilian activ
Page 58 and 59: i. Additional support for other top
Page 60 and 61: 2-7. Status. At present, topographi
Page 62 and 63: in both. (North American Datum of 1
Page 64 and 65: water can impede leveling operation
Page 66 and 67: A field recording booklet. A single
Page 68 and 69: PART I - OFFICE WORK2-24. General.
Page 70 and 71: PART J - SURVEY COMMUNICATION2-28.
Page 72 and 73: length or side is known, and all th
Page 74 and 75: second-order, Class I net. The leng
Page 76 and 77: The number of observations required
Page 78 and 79: to perform the reconnaissance. Fail
Page 80 and 81: and cultivated, or fields may have
Page 84 and 85: 2-53. Intervisibility of Stations.
Page 86 and 87: station is (K/2) 2 x 0.0676, or one
Page 88 and 89: Figure 2-8. Similar Triangles Solut
Page 90 and 91: 2-54. Height of Obstructions. It is
Page 92 and 93: authorized to change the name, it s
Page 94 and 95: Figure 2-12. Cells Connected in Par
Page 96 and 97: added as the cells weaken. Three un
Page 98 and 99: Figure 2-16. Construction Details f
Page 100 and 101: 2-60. Wooden Towers. When it become
Page 102 and 103: LESSON 2PRACTICE EXERCISEThe follow
Page 104 and 105: 11. The face of the 5-inch signal l
Page 106 and 107: LESSON 2PRACTICE EXERCISEANSWER KEY
Page 108 and 109: average line in a triangulation sys
Page 110 and 111: 3-4. Slope Measurements. The slope
Page 112 and 113: strip as close as possible to its f
Page 114 and 115: . Sight along the tops of both of t
Page 116 and 117: Column 1. Record the station number
Page 118 and 119: stake to steady it. With the back o
Page 120 and 121: Figure 3-3. DA Form 4446 (Sample of
Page 122 and 123: micrometer in this optical system i
Page 124 and 125: laterally across the front of the e
Page 126 and 127: Figure 3-7. Horizontal Circle and M
Page 128 and 129: out of adjustment. If the index mar
Page 130 and 131: (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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LESSON 3PRACTICE EXERCISEThe follow
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11. The unit of graduation on a hor
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LESSON 3PRACTICE EXERCISEANSWER KEY
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THIS PAGE IS INTENTIONALLY LEFT BLA
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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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THIS PAGE IS INTENTIONALLY LEFT BLA
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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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