Table 2.
Data processing parameters adopted during the processing of the GNSS dataset provided by Eni S.p.A.
| Solution | UBO_GAMIT | UBO_GIPSY | IBO_GAMIT | IOE_GAMIT | ONT_GIPSY | ONT_BERNESE |
|---|---|---|---|---|---|---|
| Data processing parameters | ||||||
| Software | Gamit (Ver. 10.61) | GipsyX (Ver. rc0.4) | Gamit (Ver. 10.70) + QOCA | Gamit/Globk (Ver. 10.70) | Gipsy (ver. 6.3) | Bernese (ver 5.0) |
| Processing sampling rate | 30 sec | 300 sec | 30 sec | 30 sec | 30 sec | 30 sec |
| Elevation mask | 10° | 10° | 10° | 10° | 0° | 10° |
| Antenna phase center models | igs08.atx | igs14_wwww.atx | igs08.atx | igs14_wwww.atx | igs14_wwww.atx | igs08.atx |
| GPS orbits | IGS, final | JPL, final | IGS, final | IGS, final | JPL, final | repro2, IGS, final |
| Ocean tides loading model | FES2004 | FES2004 | FES2004 | FES2004 | FES2004 | FES2004 |
| Tropospheric mapping function | VMF1 | VMF1 | VMF1 | VMF1 | VMF1 | NIELL |
| Ionosphere correction | 2nd order ionosphere correction | 2nd order ionosphere correction | 2nd order ionosphere correction | 2nd order ionosphere correction | 2nd order ionosphere correction | no 2nd order correction |
| Ambiguity resolution | Yes | Yes, with wlpb files | Yes | Yes | Yes, with wlpb files | Yes |
| Reference frame/system and strategy for alignment of solutions | ||||||
| Alignment strategy | 7 parameter transformation | 7 parameter transformation | 7 parameter transformation | 7 parameter transformation | 7 parameter transformation | 4 parameter transformation |
| Reference frame/system | IGb08 | IGb08 | IGb08 | IGb08 | IGS14 | IGb08 |
| Sinex file | IGb08.snx | IGb08.snx | IGb08.snx | IGb08.snx | IGb08.snx | |
| Reference stations | BUCU, GRAS, GRAZ, MATE, MEDI, NOT1, SOFI, WTZR, ZIMM | BUCU, GRAS, GRAZ, MATE, MEDI, NOT1, SOFI, WTZR, ZIMM | IGb08 core sites | BRUS, BRUX, COMO, GENO, GRAS,GRAZ, JOZE, MATE, NOT1, PRAT, TORI, ZIMM, ZOUF | 132 stations used for reference frame alignment | 45 anchor stations in Europe |