Final Study Questions GEM3331 Spring, 2006 These are sample questions only - actual questions will vary. Measurement Theory & Lab 1 "20 Measurements" 1. Defend choosing 3-sigma as a level of blunder. 2. Name five ways of testing and inspecting repeated me

Lecture GPS #1 Text Coverage:
Lecture Notes Wolf and Ghilani: Study: Ch 13: 1-3, 5.1
Problems: 13: 1 13.
NAVSTAR Constellation: Further GPS material is available at Peter Danas website: The Geographer's Craft Project - Main Page. You can select lecture an

Lecture GPS #2 Text Coverage:
Lecture Notes Wolf and Ghilani: Study: Ch 13: 6 11. Problems: 13:11-20
A. GPS Hardware 1. GPS is revolutionizing many aspects of society. Automobile navigation systems are becoming commonplace. For example Rand McNally, the m

Lecture Leveling Equipment and Errors Lecture Notes Text Coverage: Wolf and Ghilani 4: 1-4.5.3, 6-15 Problems: 4: 7-14, 20-27 This lecture introduces the subject of leveling and the error sources. Leveling Methods 1. Differential Leveling 2. Trigonometric

Lecture Leveling Theory and Trig Leveling Lecture Notes Text Coverage: Wolf and Ghilani, 11th Edition: Ch 4. all
Prob: 4:1 - 24
TRIG LEVELING SKETCH AND CALCULATION Z = measured zenith angle S = measured slope distance V = S * Cos Z S V B Z c Ha. (Inst. H

Lecture Theodolite Random Errors Text Coverage: Ch 3:17 Ch 8:7
Lecture Notes Prob 3-22, 3-23 Prob: 8:31
Theodolite random error sources: When an angle is measured, random errors (close enough judgment, instrument, environment) happen in the following orde

Lecture/Lab Text Coverage:
Theodolite Systematic Errors Wolf and Ghilani, 11th Edition Problems: 8:17, 20-23,25-30.
Lecture Notes Ch 8: 13 19
This lecture introduces an in-depth view of the theodolite/total station, its construction and error sources. To

Lecture: Theory of Repeated Measurements Outline: A. Repeated measurements of the same quantity vary. Therefore, when only one measurement is taken, it is not to be taken as exactly true, and the measurer must always be able to establish the level of sign

Polaris Observation Horiz Angle d m s Rich Polaris Reduction Class Local Date Watch Time h m s Correction (s) Corr. Seconds (s) Local Time Decimal Local Time 24 hr clock Universal Time Greenwich Date GHA polaris 0hrs GHA polaris 0hrs dec GHA polaris 24 hr

Polaris Observation Horiz Angle d m s Rich Polaris Reduction Class Local Date Watch Time h m s Correction (s) Corr. Seconds (s) Local Time Decimal Local Time 24 hr clock Universal Time Greenwich Date GHA polaris 0hrs GHA polaris 0hrs dec GHA polaris 24 hr

Lecture EDM Theory Lecture Notes Text Coverage: same as other lecture outline How an EDM works: Carrier wavelength: Modulation Frequency: Modulation Wavelength: Speed of light in a vacuum: Speed of light in air: Basic formula for distance: 2 D = N1m + a1

Lecture Basic Geodesy Concepts Lecture Notes Text Coverage: Wolf and Ghilani: Study: Ch 19: 1-18 Problems: 19: 1-13
Geodetic surfaces: Geoid equipotential gravity surface, undulates, rises under a continent, deflection of the vertical, Everest trying to c

Lecture: EDM Theory Lecture Notes Text Coverage: Wolf and Mikhail, 11th Ed Problems: 23 - 31 How an EDM works: Carrier wavelength: Modulation Frequency: Modulation Wavelength: Speed of light in a vacuum: Speed of light in air: Index of Refraction of air:

Lecture: Geodetic Astronomy Concepts Terms discussed in class. Stars are commonly used for azimuth determination A star's angle from true north is known as a function of time. Celestial Sphere Celestial Poles and Equator Declination Polar Distance Zenith

Lecture: Geodetic Astronomy Solutions Time Systems: Watch time Watch Corrections WWV and www.time.gov 24 hour time hours of correction from Greenwich Greenwich Mean Time, Universal Time Star tables for GHA and declination of sun and polaris: www.cadastral

Lab : 20 Measurements Lab Assignment: 1. Obtain a small ruler of about 6 inches in length. Choose two well defined points on a wall, table, floor, or any surface about 4 to 6 feet apart from each other. 2. With the ruler, measure this straight line distan

Lab EDM Testing Purpose: This lab will teach the students to understand the basic principles of Electronic Distance Measuring using an electro-optical EDM on a total station, and EDM calibration techniques. 1. Determine the proper ppm correction of the ED

Lab Objective: Overview:
Second Order (Class I) Vertical Control This lab will familiarize the student with 3-wire geodetic leveling, as well as the procedures involved with obtaining a high order of accuracy and precision. Geodetic leveling is a process

Lab Theodolite Random Errors Choose an electronic theodolite, total station OK. 1. Determine the precision of the reading mechanism, Er (error in reading) a. Sight a point target (speck on wall, etc) b.Take a reading with the theodolite 20 times in succes

Lab: GPS OPUS
Objectives: 1. To learn how to determine a geodetic location using the OPUS service of NGS. 2. To test the relationship between session length and (a) accuracy, and (b) precision. 3. To test the relationship between the CORS base location an

Lab: Level Testing Objective: The objective of this lab is to determine the C-Factor, the collimation error, and to explore the randomness of a level Overview: Determining the C-Factor will help eliminate the systematic errors associated with the level wh

Lab Polaris Observation for Azimuth Objective: Overview: This lab will familiarize the student with procedures for determining the true azimuth of a survey line by star observations. The horizontal angle from a star such as Polaris ( the North star) is me

Lab Theodolite Systematic Errors This lab introduces an in-depth view of the theodolite/total station, its construction and error sources. To test a theodolite, do the following relationships. 1. Rotation of the cross hairs sight a point on the left limb

Lab Trigonometric Leveling Objective: Overview: This lab will familiarize the student with procedures of trigonometric leveling and the accuracies and precisions achievable. In trigonometric leveling, elevations are computed by trigonometry of right trian

The culture of Europe might better be described as a series of overlapping cultures.
The foundation of European culture was laid by the Greeks, strengthened by the
Romans, stabilized by Christianity, reformed and modernized by the fifteenthcentury Renaiss