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Bernese GPS Software Version 5.0

Bernese

GPS

Software

Version

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Data from eight European stations of the IGS Network are selected for the example campaign. They are listed in Table 1.1 to- gether with the receiver and antenna type and the antenna height. The locations of these stations are given in Figure 1.1.

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Bernese GPS Software

Version 5.0

Tutorial

Processing Example

Introductory Course

Terminal Session

Rolf Dach, Urs Hugentobler,

Peter Walser

June 2009

AIUB

Astronomical Institute, University of Bern

Contents

1. Introduction to the Example Campaign 1

2. Terminal Session: Monday 3

2.1 Start the Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Select Current Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.3 Campaign Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.4 Input Files for the Processing Examples . . . . . . . . . . . . . . . . . . . . 7

2.4.1 Atmosphere ﬁles ATM . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.4.2 General ﬁles GEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.4.3 Orbit ﬁles ORB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.4.4 RINEX ﬁles ORX, OUT . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4.5 Station ﬁles STA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.5 Menu Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.6 Generate A priori Coordin ates . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.7 Importing the Observations . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.8 Daily Goals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3. Terminal Session: Tuesday 19

3.1 Prepare Pole Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.2 Generate Orbit Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.3 Data Preprocessing (I) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.3.1 Receiver Clo ck Synchronization . . . . . . . . . . . . . . . . . . . . 27

3.3.2 Form Baselines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.3.3 Preprocessing of the Phase Baseline Files . . . . . . . . . . . . . . 33

3.4 Daily Goals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Bernese GPS Software Version 5.0 Page I

Contents

4. Terminal Session: Wednes day 39

4.1 Data Preprocessing (II) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

4.2 Make a First Network Solution . . . . . . . . . . . . . . . . . . . . . . . . . 47

4.3 Ambiguity Resolution (QIF) . . . . . . . . . . . . . . . . . . . . . . . . . . 50

4.4 Daily Goals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

5. Terminal Session: Thursday 63

5.1 Final Network Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

5.2 Check the Coordinates of the Fiducial Sites . . . . . . . . . . . . . . . . . . 69

5.3 Check the Daily Repeatability . . . . . . . . . . . . . . . . . . . . . . . . . 75

5.4 Compute the Final Solution of the Session . . . . . . . . . . . . . . . . . . 77

5.5 Velocity Estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

5.6 Daily Goals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

6. Terminal Session: Friday 89

6.1 Kinematic Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

6.2 Clock Estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

6.3 Bernese Processing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Page II AIUB

1. Introduction to the Example Campaign

Data fr om eight European stations of the

IGS Network are selected for the example

campaign. They are listed in Table 1.1 to-

gether with the receiver and antenna type

and the antenna height. The locations of

these stations are given in Figure 1.1.

Three of these stations (MATE, ONSA, and

VILL) are IGS core sites. This is a set of

about 95 IGS stations representing the real-

ization of the reference frame (IGS 00: IGS

realization of the ITRF 2000).

Furtherm ore, two stations (FFMJ and

ZIMJ) are equipped with GNSS receivers

tracking GPS and GLONASS satellites. The

receiver antennas of only two sites (ONSA

and PTBB) are equ ipp ed with radomes (type OSOD resp. SNOW).

BRUS −

− FFMJ

− MATE

− ONSA

− PTBB

− VILL

ZIMM −

− ZIMJ

Figure 1.1: Stations used in example campaign

The receivers used at the stations BRUS and PTBB are conn ected to H-Maser clocks. The

receiver type ASHTECH Z-XII3T was developed for time and frequency applications.

The distances between neighboring stations are between 300 and 1200 km. Two GPS re-

ceivers in Zimmerwald are included into the example (ZIMM and ZIMJ, d istance 14 m).

The observations for these stations are available for four days . Two days in year 2002 (day

of year 143 and 144) and two in 2003 (days 138 and 139). In these terminal sessions you

will analyze the data in order to obtain a velocity ﬁeld based on IGS ﬁnal products.

The data belonging to this example campaign are included in the distribution. Therefore,

you may also use this document to repeat the generation of the solution at home to exercise

the use of the Bernese GPS Software.

Bernese GPS Software Version 5.0 Page 1

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