Kern DKM3-A - Astronomical Position, Time and Azimuth Determination
Detail |
 | Classification: | User manual |  | Publisher: | Kern & Co. Aarau |  | Title | Astronomical Position, Time and Azimuth Determination with the Kern DKM3-A |  | Instrument Type: | DKM3-A |  | Category: | --- |  | Date: | 1973 |  | Pages: | 96 |  | Language: | English |
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Table of Contents
I. The aims of astronomical position, time, and azimuth determinations
Fundamentals and definitions from astronomy
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1. The aims
2. The horizon system
3. The diurnal motions of stars
4. Altitude of the pole
5. The equatorial system
6. Sidereal time and longitude
7. Mean solar time; Universal Time
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II.. The instruments
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1. Technical data on the DKM 3-A theodolite
2. Description and operation of the DKM 3-A
3. Telescope and optics of the DKM 3-A
4. Reticle and micrometer
5. The double-circle principle and circle reading
6. The levels
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III.. Time recording. Use of some necessary table
Orientation of the theodolite
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1. Clocks
2. Time-signal transmitters
3. The chronograph.
4. The impersonal micrometer. The width of contact strips
5. Time conversions
6. Star coordinates
7. Refraction
8. Orientation of the theodolite. The Polaris method
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IV. Latitude determinations
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1. The method of meridian zenith distances (Sterneck method)
a. The principle of the method
b. The star list for the observation
c. The observation procedure
d. The computation
e. Related methods
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2. The Horrebow-Talcott method
       a. The principle of the method
       b. The star list for the observation
       c. The observation procedure
       d. The computation
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V. Longitude determinations
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1. The meridian method of time determination
       a. The principle of the method
       b. The observation procedure
       c. The computation
       d. The Döllen method
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2. The Zinger method of time determination
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       a. The principle of the Zinger method
       b. The star list for the observation
       c. The observation procedure
       d. The computation
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VI. Azimuth measurements
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1. General survey of methods of azimuth measurements
2. Polaris method
       a. procedure of the Polaris method
       b. The computation
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VII. Refraction tables with zenith distance as argument
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