surveying iii (topographic and geodetic surveys) - Modern Prepper

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LESSON 1PRACTICE EXERCISEANSWER KEY AND FEEDBACKItemCorrect Answer and Feedback1. D Ellipsoid of revolution.The shape of the earth is more precisely represented mathematically by an… (page1-2, para 1-2)2. C Latitude and longitudePoints on the ellipsoid can be defined… (page 1-4, para 1-2c)3. B The same everywhereFirst, the gravity potential in… (page 1-6, para 1-3b)4. B Deflection of the verticalThis angle is called the… (page 1-6, para 1-3c)5. B Astronomic observationsThe techniques used to do this… (page 1-8, para 1-4)6. D Astronomic longitude and azimuth are measuredPlaces at which astronomic longitude… (page 1-9, para 1-5b)7. D GeoidTherefore, an astronomic observation… (page 1-10, para 1-5c)8. C Rotation of the earthThe variation of the earth's… (page 1-18, para 1-7g)9. C Force of the earth's attraction due to gravitation, minus the centrifugal force due torotation of the earthThe theoretical value of gravity… (page 1-20, para 1-7j)10. B Absolute acceleration of gravityThe absolute acceleration of gravity… (page 1-22, para 1-7o)11. C Gravimetric dataUse the following five conditions… (page 1-24, para 1-9a[1])12. D The perpendicular to the ellipsoid and the plumb line coincideIn this method, it is assumed that… (page 1-25, para 1-9b[1])EN0593 1-46
13. A Geodetic and astronomic latitudeThe north-south component… (page 1-26, para 1-9b[2])14. A The accuracy of the observed geodetic and astronomic dataIn survey networks this… (page 1-27, para 1-9b[2][c])15. A Too few connections provide weak tiesAlso, the process of connecting… (page 1-37, para 1-16)1-47 EN0593
Page 1 and 2: SUBCOURSEEN0593EDITIONAUNITED STATE
Page 3 and 4: TERMINAL LEARNING OBJECTIVE:ACTION:
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
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 82 and 83: e an alphanumeric symbol that is st
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
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3-4. Slope Measurements. The slope
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strip as close as possible to its f
Page 114 and 115:
. 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
Page 120 and 121:
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
Page 126 and 127:
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
Page 134 and 135:
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
Page 142 and 143:
Page 144 and 145:
11. The unit of graduation on a hor
Page 146 and 147:
Page 148 and 149:
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),
Page 158 and 159:
4.7. Miscellaneous Equipment. In ad
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(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
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(10) Enter the interval between the
Page 170 and 171:
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
Page 182 and 183:
Page 184 and 185:
11. The maximum length of site to o
Page 186 and 187:
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
Page 196 and 197:
Table 5-1. Representative GPS Error
Page 198 and 199:
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
Page 204 and 205:
Table 5-3. GPS-S Design, Geometry,
Page 206 and 207:
f. Multiple/Repeat Baseline Connect
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possible ionospheric and tropospher
Page 210 and 211:
Figures 5-4. PDOP Versus Time PlotP
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e. Field Processing and Verificatio
Page 214 and 215:
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
Page 238 and 239:
Page 240 and 241:
12. When the networking method is s
Page 242 and 243:
Page 244 and 245:
THIS PAGE IS INTENTIONALLY LEFT BLA
Page 246 and 247:
FAR-77 obstructions. Aircraft-movem
Page 248 and 249:
Figure 6-1. Imaginary SurfacesEN059
Page 250 and 251:
Figure 6-3. Approach Surfacesa. Fed
Page 252 and 253:
. Federal Aviation Regulation-77, S
Page 254 and 255:
Table 6-4. Airport Obstruction Accu
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A horizontal scale of 1:12,000 and
Page 258 and 259:
Figure 6-4. Sample DA Form 5821 (Ai
Page 260 and 261:
Figure 6-5. Sample DA Form 5822 (PA
Page 262 and 263:
Page 264:
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