Bernese GPS Software Version 5.0 - Bernese GNSS Software

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6. Data Preprocessing (6) If the total RMS of a satellite in the RESRMS residual summary table exceeds a specified RMS threshold value (option “RMS threshold level for a bad solution”) it is considered that it is the only one (really) “bad” satellite affecting the entire solution. If more than one satellite exceed this limit only that one with the largest RMS is considered. If a maneuver hypothesis holds for this satellite it is assumed that a repositioning occurred. Otherwise the satellite is marked as “bad”. If a repositioning or a misbehaving satellite was detected an existing satellite problem file may be updated. If the updated file is used in GPSEST (and all other processing programs in the further steps) the observations of this satellite will be excluded (see Section 6.7.2). 6.7 Marking of Observations Individual observations may be flagged with a so-called marking flag (the other flag used is the so-called cycle slip flag) in the Bernese binary observation files (code or phase observations, zero- or single-differences). The marking flags are used to mark outliers, observations at low elevation, small pieces of observations, etc. If this marking flag is set no program will use the corresponding observation. It is also possible to reset the marking flags again. There are several preprocessing programs in the software which mark observations: RNXSMT marks the code and phase measurements of both frequencies in RINEX files using the signal to noise ratio as flag (see Section 6.2.5). CODSPP marks both, phase and code observations for which no receiver clock corrections could be estimated. Outliers may be marked on request in the Bernese code and/or phase observation files. MAUPRP marks the observations with low elevations, small pieces of observations, and the observations suspected to be corrupted by a cycle slip (see Section 6.5). Note, that the program SNGDIF does not use marked zero-difference observations at all. 6.7.1 Manipulation of Observation Files (SATMRK) The program SATMRK (”Menu>Service>Bernese observation files>Mark/delete observations”) may be used to manipulate flags in Bernese observation files, i.e., to set and reset marking flags or to remove observations. Possible actions are: EDIT FILE: The entries of an edit information file (description in Section 22.10.7) will be applied to the Bernese observation files. This edit file is usually an output of program RESRMS. MARK MANUAL: Mark (set marking flags), reset (remove marking flags), or eliminate (delete) observations of a satellite for a user specified time window. SYNCHRONIZATION: The observations in the corresponding code and phase observation files are synchronized. If an observation is available in one of the files only it will be removed. If an observation is marked in one file it will be marked in the other file, Page 136 AIUB
6.7 Marking of Observations too. The result are pairs of code and phase files which contain for a station the same epochs and the same satellites. This may be important for processing steps involving both observation types (e.g., to make sure that all clocks in GPSEST are estimated with phase and code measurements). INITIALIZE: Ambiguities which are already resolved (see Chapter 8) in the baseline phase observations header file are re-initialized (set to status “unresolved”). 6.7.2 Use of Satellite Problem File The satellite problem file (the so-called “satcrux”-file, see Section 22.4.6) is located in the general file directory (${X}/GEN). The user may exclude measurements of specific satellites for a period of time by adding a corresponding entry in this file. The other important usage of the satellite problem file is the setting of a new arc for a satellite. This topic is discussed in Chapter 15. The satellite problem file is updated daily in the routine processing for the IGS at CODE. It is provided to the users of the Bernese GPS Software in the anonymous ftp account of AIUB (http://www.aiub.unibe.ch/download/BSWUSER50/GEN/SAT_yyyy.CRX, where yyyy is the four digit year). If a satellite is specified to be bad for an observation epoch the processing programs of the Bernese GPS Software (e.g., CODSPP, MAUPRP, and GPSEST) will not use the corresponding measurements. The program RXOBV3 does not write the observations of a satellite into the Bernese observation files if they are indicated as bad. The program MAUPRP will mark the corresponding measurements in the preprocessed observation files. All other programs do not consider the observations of bad satellites but they do not modify the observation files. PRN numbers of satellites that are currently not active are listed at the top of the file. These entries prevent that “dummy” satellites enter the processing if occasionally appearing in some RINEX observation files. Bernese GPS Software Version 5.0 Page 137
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Bernese GPS Software Version 5.0 Ed
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Bernese GPS Software Version 5.0 As
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Contents 2.3.6.1 Ionosphere-Free Li
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Contents 6.3.3 Kinematic Stations .
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Contents 9.4.4 Pre-Elimination Opti
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Contents 13.2 How to Correct P1-P2
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Contents 18.3.2 Command Bar . . . .
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Contents 20.4 Description of the Pr
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Contents 22.8.2 Station Abbreviatio
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Contents Page XVI AIUB
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List of Figures 5.1 Flow diagram of
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List of Figures 13.3 P1-C1 code bia
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List of Figures 22.20 Tabular orbit
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List of Tables 12.2 Influences of t
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1. Introduction and Overview • bu
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1. Introduction and Overview Table
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1. Introduction and Overview • Th
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1. Introduction and Overview The Be
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1. Introduction and Overview for Ca
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2. Fundamentals 2.1.1 GPS System De
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2. Fundamentals Table 2.2: Componen
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2. Fundamentals Clock correction [n
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2. Fundamentals Figure 2.5: GLONASS
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2. Fundamentals Table 2.6: GLONASS
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2. Fundamentals In contrast to the
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2. Fundamentals 2.2 GNSS Satellite
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2. Fundamentals 2.2.2.1 The Kepleri
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2. Fundamentals Table 2.9: Perturbi
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2. Fundamentals R.A. of Ascending N
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2. Fundamentals where aROCK is the
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2. Fundamentals By taking the deriv
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2. Fundamentals δi error of satell
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2. Fundamentals Ionospheric refract
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2. Fundamentals 2.3.6.1 Ionosphere-
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2. Fundamentals Table 2.10: Linear
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3. Campaign Setup variable to the f
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3. Campaign Setup Figure 3.1: Examp
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3. Campaign Setup In this section w
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3. Campaign Setup 3.5 Processing Ov
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4. Import and Export of External Fi
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5. Preparation of Earth Orientation
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Page 168 and 169: 7. Parameter Estimation p u × 1 ve
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Page 196 and 197: 8. Initial Phase Ambiguities and Am
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9. Combination of Solutions Substit
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9. Combination of Solutions We may
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9. Combination of Solutions files a
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9. Combination of Solutions x x 1 t
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9. Combination of Solutions Both re
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9. Combination of Solutions 9.4 The
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9. Combination of Solutions 9.4.2 G
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9. Combination of Solutions Excepti
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9. Combination of Solutions As alre
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9. Combination of Solutions Table 9
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9. Combination of Solutions The poi
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9. Combination of Solutions (2) Tra
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9. Combination of Solutions Step 1:
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10. Station Coordinates and Velocit
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Page 220 AIUB Station coordinates a
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11. Troposphere Modeling and Estima
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12. Ionosphere Modeling and Estimat
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13. Differential Code Biases Promin
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13. Differential Code Biases Figure
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13. Differential Code Biases Figure
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13. Differential Code Biases ======
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13. Differential Code Biases Page 2
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14. Clock Estimation τ (BRUS-PTBB)
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14. Clock Estimation Here the limit
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14. Clock Estimation to zero. All c
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14. Clock Estimation #OBS : Number
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14. Clock Estimation 14.3 Clock RIN
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14. Clock Estimation cessed if CCRN
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14. Clock Estimation RINEX files th
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14. Clock Estimation the clock valu
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14. Clock Estimation SINGLE POINT P
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15. Estimation of Satellite Orbits
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16. Antenna Phase Center Offsets an
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17. Data Simulation Tool GPSSIM 17.
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17. Data Simulation Tool GPSSIM The
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17. Data Simulation Tool GPSSIM The
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17. Data Simulation Tool GPSSIM Res
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18. The Menu System 18.2 Starting t
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18. The Menu System 18.3.1 Menu Bar
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18. The Menu System 18.3.5 Panel Co
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18. The Menu System the menu the ne
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18. The Menu System Table 18.1: Pre
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18. The Menu System 18.5.3 System E
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18. The Menu System 18.7 Change Opt
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18. The Menu System 18.9 Technical
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18. The Menu System ... ! Environme
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18. The Menu System The keyword ENV
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18. The Menu System ! List of Remai
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18. The Menu System The MENUAUX-mec
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18. The Menu System Keyword values
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19. Bernese Processing Engine (BPE)
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20. Processing Examples inspect the
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20. Processing Examples 20.3.1 How
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20. Processing Examples • (option
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20. Processing Examples PID 111 PRE
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20. Processing Examples 20.4.1.4 Co
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20. Processing Examples 20.4.1.7 Cr
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20. Processing Examples appears in
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20. Processing Examples PID 313 MPR
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20. Processing Examples Further rea
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20. Processing Examples # # Create
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20. Processing Examples PID 101 GPS
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20. Processing Examples The RINEX n
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20. Processing Examples # # Preproc
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20. Processing Examples the loop, d
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20. Processing Examples PID 903 CLK
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20. Processing Examples and IGS 00B
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20. Processing Examples • Save th
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20. Processing Examples PID 321 GPS
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20. Processing Examples PID 301 CLK
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21. Program Structure $C / %C% PGM
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21. Program Structure (program GPSE
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21. Program Structure continued fro
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21. Program Structure ! -----------
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22. Data Structure "Program" Area $
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22. Data Structure Table 22.1: List
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22. Data Structure 22.4.2 Geodetic
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22. Data Structure 22.4.4 Antenna P
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Page 484 AIUB ANTENNA PHASE CENTER
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22. Data Structure 22.4.5 Satellite
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22. Data Structure 22.4.6 Satellite
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22. Data Structure DIFFERENCE OF GP
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22. Data Structure 22.4.9 Subdaily
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22. Data Structure EGM96 EGM96, VER
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22. Data Structure SINEX : OPTION I
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22. Data Structure 22.4.16 Panel Up
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22. Data Structure 22.6.2 Header an
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22. Data Structure 15 Antenna type(
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22. Data Structure SVN-NUMBER= 2 ME
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22. Data Structure -1 2 1 5 TITLE :
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22. Data Structure Used by: ORBGEN
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22. Data Structure 53064.00 53065.0
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22. Data Structure CODE’S MONTHLY
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22. Data Structure Table 22.4: Stat
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22. Data Structure (3) TYPE 003: HA
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22. Data Structure 22.8.4 Station P
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22. Data Structure Remarks: • Eac
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22. Data Structure The following st
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22. Data Structure Table 22.7: List
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22. Data Structure AJAC $$ FES2004
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22. Data Structure Station sigma fi
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22. Data Structure GOPE 11502M002 Z
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22. Data Structure 22.8.18 Receiver
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22. Data Structure CODE RAPID 3-DAY
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22. Data Structure 22.9.3 Meteo and
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22. Data Structure IONOSPHERE MODEL
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22. Data Structure 22.10 Miscellane
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22. Data Structure 22.10.4 Variance
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22. Data Structure 22.10.5 Normal E
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22. Data Structure 22.10.7 Observat
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22. Data Structure Created by: Each
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22. Data Structure ----------------
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22. Data Structure 22.10.17 BPE log
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23. Installation Guide 23.1.2 Conte
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23. Installation Guide 23.1.3.2 Ins
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23. Installation Guide BERN50 : $C
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23. Installation Guide If you have
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23. Installation Guide To make the
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23. Installation Guide List of Inst
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23. Installation Guide 23.2.4 Confi
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23. Installation Guide Configure me
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23. Installation Guide ${P}/EXAMPLE
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23. Installation Guide To recompile
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23. Installation Guide Page 574 AIU
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24. The Step from Version 4.2 to Ve
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BIBLIOGRAPHY Bock, H. (2004), Effic
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BIBLIOGRAPHY Janes, H. W., R. B. La
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BIBLIOGRAPHY Schaer, S. (1998), COD
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BIBLIOGRAPHY Page 588 AIUB
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INDEX OF PROGRAMS NEQ2ASC, 207, 541
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Index of Program Panels CODSPP 2: I
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Index of Program Panels MKCLUS 3: R
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INDEX OF KEYWORDS Antenna verificat
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INDEX OF KEYWORDS Cluster definitio
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INDEX OF KEYWORDS variance-covarian
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INDEX OF KEYWORDS orbit products, 1
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INDEX OF KEYWORDS Multi-session sol
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INDEX OF KEYWORDS Orbital elements
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INDEX OF KEYWORDS Receiver antenna
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INDEX OF KEYWORDS orbit modeling, 9
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INDEX OF KEYWORDS WGS-84, 19, 88, 2
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