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Bernese GPS Software Version 5.0 - Bernese GNSS Software

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22. Data Structure<br />

CODE RAPID 3-DAY SOLUTION, DAY 006, YEAR 2004 07-JAN-04 09:03<br />

---------------------------------------------------------------------------------------------------..<br />

A PRIORI MODEL: -15 MAPPING FUNCTION: 4 GRADIENT MODEL: 1 MIN. ELEVATION: 3 TABU..<br />

..<br />

STATION NAME FLG YYYY MM DD HH MM SS YYYY MM DD HH MM SS MOD U CORR U SIGMA U TOTAL U..<br />

..<br />

ALBH 40129M003 A 2004 01 06 00 00 00 2.2985 0.07675 0.00119 2.37529..<br />

ALBH 40129M003 A 2004 01 06 02 00 00 2.2985 0.07998 0.00099 2.37851..<br />

ALBH 40129M003 A 2004 01 06 04 00 00 2.2985 0.08211 0.00102 2.38065..<br />

ALBH 40129M003 A 2004 01 06 06 00 00 2.2985 0.09154 0.00116 2.39008..<br />

ALBH 40129M003 A 2004 01 06 08 00 00 2.2985 0.09668 0.00104 2.39522..<br />

ALBH 40129M003 A 2004 01 06 10 00 00 2.2985 0.09903 0.00112 2.39757..<br />

ALBH 40129M003 A 2004 01 06 12 00 00 2.2985 0.09393 0.00114 2.39247..<br />

ALBH 40129M003 A 2004 01 06 14 00 00 2.2985 0.10502 0.00096 2.40356..<br />

ALBH 40129M003 A 2004 01 06 16 00 00 2.2985 0.10375 0.00099 2.40229..<br />

ALBH 40129M003 A 2004 01 06 18 00 00 2.2985 0.09724 0.00113 2.39578..<br />

ALBH 40129M003 A 2004 01 06 20 00 00 2.2985 0.08640 0.00108 2.38494..<br />

ALBH 40129M003 A 2004 01 06 22 00 00 2.2985 0.08901 0.00121 2.38755..<br />

ALBH 40129M003 A 2004 01 07 00 00 00 2.2985 0.08529 0.00171 2.38383..<br />

ALGO 40104M002 A 2004 01 06 00 00 00 2.2530 0.03268 0.00095 2.28564..<br />

ALGO 40104M002 A 2004 01 06 02 00 00 2.2530 0.02421 0.00113 2.27717..<br />

ALGO 40104M002 A 2004 01 06 04 00 00 2.2530 0.02214 0.00086 2.27510..<br />

....<br />

Figure 22.46: Troposphere estimates in TRP file format.<br />

The positive model numbers (1 up to 15) correspond to the same models but<br />

with observed meteorological values used for the computation of the a priori<br />

troposphere zenith delay.<br />

• Mapping function:<br />

1/cos(z) = 1,<br />

Hopfield = 2,<br />

Dry Niell = 3,<br />

Wet Niell = 4,<br />

• Gradient model:<br />

No estimation = 0,<br />

Tilting = 1,<br />

Linear = 2.<br />

• Minimum elevation in degrees<br />

• Tabular interval for zenith parameters and for gradient parameters in seconds<br />

(3) Data part:<br />

• Station name.<br />

• Station flag (see Section 22.8.5).<br />

• Epoch for piece-wise linear parameter representation (second epoch is blank).<br />

In <strong>Version</strong> 4.2 start epoch and end epoch were used for piece-wise constant<br />

representation.<br />

• Zenith delay (total effect) from the a priori model (zero, if observed meteo used)<br />

in m.<br />

• Estimated value (correction to the a priori zenith value) in m.<br />

• Estimated formal rms of the correction in m.<br />

• Total zenith delay (sum of a priori value and estimated correction) in m.<br />

• Gradient parameters and formal rms in north and east directions in m (not<br />

displayed in Figure 22.46).<br />

If a troposphere is introduced only the estimated values (CORR U, CORR N, CORR E) are used.<br />

The a priori zenith delay is reconstructed using the model specified in the header line.<br />

Page 534 AIUB

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