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Bernese GPS Software Version 5.0 - Bernese GNSS Software

Bernese GPS Software Version 5.0 - Bernese GNSS Software

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Contents<br />

4.8 IONEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71<br />

4.8.1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71<br />

4.8.2 Writing IONEX Files . . . . . . . . . . . . . . . . . . . . . . . . . 73<br />

4.9 Clock RINEX File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74<br />

4.9.1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74<br />

4.9.2 Import to <strong>Bernese</strong> . . . . . . . . . . . . . . . . . . . . . . . . . . . 74<br />

4.9.3 Writing Clock RINEX File . . . . . . . . . . . . . . . . . . . . . . 75<br />

4.10 RINEX Meteo Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75<br />

4.10.1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75<br />

4.10.2 Import to <strong>Bernese</strong> . . . . . . . . . . . . . . . . . . . . . . . . . . . 76<br />

4.11 ANTEX Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76<br />

4.11.1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76<br />

4.11.2 Import to <strong>Bernese</strong> . . . . . . . . . . . . . . . . . . . . . . . . . . . 76<br />

4.12 External Data Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76<br />

4.12.1 CODE Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76<br />

4.12.1.1 Products in the <strong>Bernese</strong> <strong>Software</strong> User Directory . . . . 78<br />

4.12.1.2 Products in the CODE Directory . . . . . . . . . . . . . 80<br />

4.12.2 IGS Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81<br />

5. Preparation of Earth Orientation, <strong>GNSS</strong> Orbit, and Satellite Clock Information 83<br />

5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83<br />

5.2 Preparation of Earth Orientation Parameters . . . . . . . . . . . . . . . . . 85<br />

5.2.1 General Dataset Names . . . . . . . . . . . . . . . . . . . . . . . . 85<br />

5.2.2 Update of Pole Information . . . . . . . . . . . . . . . . . . . . . . 85<br />

5.3 Preparation of <strong>GNSS</strong> Broadcast Information . . . . . . . . . . . . . . . . . 87<br />

5.3.1 Standard Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . 87<br />

5.3.2 Alternative Procedure for <strong>GPS</strong> . . . . . . . . . . . . . . . . . . . . 88<br />

5.3.3 Checking <strong>GNSS</strong> Broadcast Messages . . . . . . . . . . . . . . . . . 89<br />

5.4 Preparation of Precise Orbit Information . . . . . . . . . . . . . . . . . . . 89<br />

5.4.1 Conversion of Precise Orbit Information to Tabular Format . . . . 91<br />

5.4.2 Generation of Standard Orbit Information . . . . . . . . . . . . . . 91<br />

5.5 Preparation of Satellite Clock Corrections . . . . . . . . . . . . . . . . . . . 98<br />

5.6 Concatenation of Orbit Information and Orbit Comparison . . . . . . . . . 98<br />

5.6.1 Concatenation of Precise Orbit Information . . . . . . . . . . . . . 98<br />

5.6.2 Comparison of Satellite Orbits . . . . . . . . . . . . . . . . . . . . 99<br />

6. Data Preprocessing 101<br />

6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101<br />

6.2 Preprocessing on the RINEX Level . . . . . . . . . . . . . . . . . . . . . . . 103<br />

6.2.1 Data Screening Based on Melb.-Wübbena Linear Combination . . 103<br />

6.2.2 Data Screening Based on Geometry-Free Linear Combination . . . 105<br />

6.2.3 Data Screening Based on Ionosphere-Free Linear Combination . . 105<br />

6.2.4 Code Smoothing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106<br />

6.2.5 Resulting Smoothed RINEX Files . . . . . . . . . . . . . . . . . . 107<br />

6.3 Receiver Clock Synchronization and Preprocessing of Code Observations . 108<br />

6.3.1 Receiver Clock Synchronization . . . . . . . . . . . . . . . . . . . . 108<br />

6.3.2 Preprocessing of Code Observations . . . . . . . . . . . . . . . . . 110<br />

<strong>Bernese</strong> <strong>GPS</strong> <strong>Software</strong> <strong>Version</strong> <strong>5.0</strong> Page III

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