Bernese GPS Software Version 5.0 - Bernese GNSS Software

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16. Antenna Phase Center Offsets and Variations The antenna phase center offsets and antenna phase center variations are different for both carriers. The antenna phase center corrections for a linear combination of L1 and L2 observations are computed by forming the corresponding linear combination of ∆φL1(α,z) and ∆φL2(α,z). Individual corrections for different GNSS cannot be considered using Version 5.0 of Bernese GPS Software. In order to correctly apply horizontal antenna phase center offsets as well as azimuthdependent corrections, a North-pointing of the antenna is important. A differing orientation (e.g., when rotating the antenna during a calibration field campaign) may be specified in a receiver antenna orientation file (description in Section 22.8.18). It can be selected in panel “GPSEST 1.2: Input Files 2”. 16.2.4 LEO Processing LEOs may be considered either as satellites (like GNSS but at lower attitude) or as receiver (like ground stations but in orbit). Antenna phase center corrections are applied similar to ground antennas. Contrary to GNSS satellites the phase center correction with respect to the LEO’s center of mass is computed using the sum of both, antenna offset in column SENSOR OFFSETS in the satellite information file and the frequency-specific phase center correction from the Bernese phase center eccentricity file. Antenna phase center offset as well as variation refers to the antenna fixed reference frame. The proper antenna orientation as well as antenna offsets are computed from the azimuth and boresight unit vectors specified in the satellite fixed reference frame in the satellite information file. The attitude information is either computed from nominal attitude (attitude flag in satellite information file) or read from an input attitude file. 16.2.5 Antenna Phase Center Models The ANTEX file igs 01.atx contains the relative antenna phase center model used within the IGS until GPS week 1400. It is available at ftp://ftp.igs.org/pub/station/ general/ and contains the same information as given in igs 01.pcv. The new absolute antenna phase center model as it is currently used by the IGS is published at ftp://ftp.igs.org/pub/station/general/, filename: igs05 wwww.atx (e.g., igs05 1402.atx). The wwww indicates the GPS week of the creation of the file (see IGS Mail 5272). More updates of the file are likely to be issued, e.g., when a new antenna radome combination is added or a new satellite is launched. There is a link ftp://ftp.igs.org/pub/station/general/igs05.atx pointing to the recent file. At the AIUB/CODE’s anonymous ftp server (http://www.aiub.unibe.ch/download/ BSWUSER50/GEN) both antenna phase center models are available already converted into Bernese file format: • SATELLIT.xxx contains satellite-specific information, in particular satellite-specific antenna offsets that need to be consistent with the corresponding satellite antenna phase patterns. • PHAS COD.xxx contains the phase center information of the satellite and receiver antennas as used by CODE for the daily processing. Page 332 AIUB
The extension xxx of the above files is 16.2 Antenna Phase Center Corrections in the Bernese GPS Software xxx = I01 : for files containing the relative antenna phase center model based on the IGS ANTEX file igs 01.atx, and xxx = I05 : for files containing the absolute antenna phase center model based on the latest IGS ANTEX file igs05 wwww.atx. Download at least the satellite information files. It is recommended that you use the ANTEX converter PHCCNV to generate your own Bernese phase center files (see Section 16.3) to be sure that all your individually calibrated receiver antennas as well as all receiver antenna/radome combinations needed for your processing are available. You may also use CODE’s phase center eccentricity files (PHAS COD.xxx) as long as your Bernese phase center file does not contain additional antennas. To express the difference between your and CODE’s phase center eccentricity files it is recommended to replace the string ”COD” in the filename by an identification of your institution. Furthermore, we recommend to use a similar naming convention for your files, i.e., indicating the antenna phase center model type and the corresponding pairs of satellite information and phase center eccentricity files with the extension. IMPORTANT: Satellite information and phase center eccentricity files form entities that have always to be used together throughout your processing in order to guarantee the consistency of satellite antenna offsets and patterns. Do not mix files with extensions *.I01 and *.I05 (see Table 16.1). When a new satellite is launched no estimated satellite antenna offsets are available for this satellite. The corresponding entry is missing in the official ANTEX file (e.g., igs05 1402.atx) as well as in the Bernese phase center eccentricity file. Without these entries any (near real-time) processing will be aborted. In order to make corresponding information available before tracking data of brand new satellites gets available, AIUB/CODE maintains two ANTEX files (I01.ATX and I05.ATX) and makes them available at http://www.aiub.unibe.ch/download/BSWUSER50/GEN. These files contain mean antenna offset values of the same satellite type for the newly launched satellite. Apart from values for new satellites, this ANTEX file is identical to the official ANTEX file. After estimation of official satellite antenna offsets the IGS distributes an updated ANTEX file. From that moment on the ANTEX file at our anonymous FTP will again be identical to the official ANTEX file from IGS. Table 16.1: List of files to be used together. Set BSW files BSW ANTEX Model Content 0 SATELLIT. PHAS IGS.REL 1 SATELLIT.I01 PHAS COD.I01 2 SATELLIT.I05 PHAS COD.I05 not available IGS 01 relative antenna model without radome codes and block specific satellite antenna names I01.ATX IGS 01 relative antenna model with radome codes and satellite specific antenna names I05.ATX IGS05 wwww absolute antenna model with radome codes and satellite specific antenna names Bernese GPS Software Version 5.0 Page 333
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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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6. Data Preprocessing Preprocessing
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6. Data Preprocessing (a) AS turned
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6. Data Preprocessing 6.2.4 Code Sm
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6. Data Preprocessing is set to 2.
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6. Data Preprocessing 6.3.2 Preproc
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6. Data Preprocessing RMS of kin. s
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6. Data Preprocessing The ambiguiti
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6. Data Preprocessing no loss of si
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6. Data Preprocessing This epoch-di
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6. Data Preprocessing result in lar
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6. Data Preprocessing (e.g., from C
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6. Data Preprocessing The second pa
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6. Data Preprocessing GAR small pie
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6. Data Preprocessing -------------
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6. Data Preprocessing automated pro
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6. Data Preprocessing 6.6.2 Generat
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6. Data Preprocessing 6.6.3 Detect
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6. Data Preprocessing (6) If the to
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6. Data Preprocessing Page 138 AIUB
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7. Parameter Estimation p u × 1 ve
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7. Parameter Estimation The two bas
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7. Parameter Estimation contains a
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7. Parameter Estimation The binary
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7. Parameter Estimation 7.5.2 Piece
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7. Parameter Estimation The equatio
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7. Parameter Estimation 7.5.4.4 Fix
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7. Parameter Estimation where Q 11
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7. Parameter Estimation consequence
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7. Parameter Estimation are address
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7. Parameter Estimation ... ! Pre-p
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7. Parameter Estimation The RINEX m
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7. Parameter Estimation In a succes
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7. Parameter Estimation Page 166 AI
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8. Initial Phase Ambiguities and Am
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9. Combination of Solutions 9.2 Seq
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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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Page 338 and 339: 15. Estimation of Satellite Orbits
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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 20.4.1.5 Ta
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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 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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