surveying iii (topographic and geodetic surveys) - Modern Prepper

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LESSON 3PRACTICE EXERCISEANSWER KEY AND FEEDBACKItemCorrect Answer <strong>and</strong> Feedback1. B The actual error is the amount of deviation of each measurement from the mean ofall measurements.The actual error...(page 3-2, para 3-1c)2. A For each meter of the tape on a flat, horizontal surfaceThe 30-meter steel tape...(page 3-2, para 3-2a)3. A 2.5 centimetersNo marking strip or point...(page 3-3, para 3-3)4. D When the tape bends more than 2 centimeters out of lineNo first-order <strong>and</strong> second-order...(page 3-4, para 3-5)5. D RecorderThe party chief acts...(page 3-5, para 3-7)6. B Full-tape length (50 meters)When recording...(page 3-12, para 3-10 [note])7. B FrictionHowever, measurements...(page 3-13, para 3-10c)8. A 0.2 second, direction theodoliteThe wild T-3 precision theodolite...(page 3-15, para 3-13)9. C The crosshair appears to move with respect to the observed objectIf the crosshairs appears...(page 3-18, para 3-13c)10. D The making of the coincidenceThe making of the coincidence...(page 3-18, para 3-13f)11. A 4 minutesEach graduation interval...(page 3-18, para 3-13f[1])12. C Multiplied by 2If both circles are used...(page 3-20, para 3-13f[3])EN0593 3-40
13. B An open traverseThe open traverse is the...(page 3-27, para 3-14b)14. C 10 secondsWhen using a 1-second theodolite...(page 3-33, para 3-14t)3-41 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
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Figure 1-16. Single Astronomic Stat
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Figure 1-17. Astro-Geodetic Deflect
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Figure 1-19. Astro-Geodetic Datum O
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(c) The significance of a gravity-o
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absolute deflections of the vertica
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Figure 1-23. Preferred Datumsa. The
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1-17. The World Geodetic System. Be
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Figure 1-25. Using the Same Referen
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LESSON 1PRACTICE EXERCISEThe follow
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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
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
Page 132 and 133: location of the vertical circle on
Page 134 and 135: Figure 3-13. Open Traversec. Closed
Page 136 and 137: designate the exact point of refere
Page 138 and 139: example, a line with an azimuth of
Page 140 and 141: When adjusting a traverse that star
Page 144 and 145: 11. The unit of graduation on a hor
Page 148 and 149: THIS PAGE IS INTENTIONALLY LEFT BLA
Page 150 and 151: differential leveling. The theodoli
Page 152 and 153: additional runs are made due to exc
Page 154 and 155: Figure 4-2. Wild N-3 Precision Leve
Page 156 and 157: (8) Loosen the azimuth clamp (13),
Page 158 and 159: 4.7. Miscellaneous Equipment. In ad
Page 160 and 161: (2) To check for gross errors in th
Page 162 and 163: (a) (1) Begin by completing the inf
Page 164 and 165: Set up and level the instrument. Re
Page 166 and 167: Figure 4-8. Sun and Wind Code(5) Th
Page 168 and 169: (10) Enter the interval between the
Page 170 and 171: Figure 4-9. Closed-Circuit River Cr
Page 172 and 173: Figure 4-11. Sample DA Form 5820 (R
Page 174 and 175: is 0. When the telescope is pointed
Page 176 and 177: stations. However, since all statio
Page 178 and 179: a. Complete the heading, as shown.b
Page 180 and 181: a. (1) Enter the date, as in the sa
Page 184 and 185: 11. The maximum length of site to o
Page 186 and 187: LESSON 4PRACTICE EXERCISEANSWER KEY
Page 188 and 189: PART A - GLOBAL POSITIONING SYSTEM
Page 190 and 191: 5-7. Pseudorange. A pseudorange is
Page 192 and 193: 5-15. Number of Pseudorange Observa
Page 194 and 195: 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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