Table D.6.
Estimated errors for the time-variable part of the tropospheric delay gradient between the target and phase reference calibrator.
| Frequency | J0006 |
J0007 |
J0008 |
|||
|---|---|---|---|---|---|---|
| RA | Dec | RA | Dec | RA | Dec | |
| (mas) | (mas) | (mas) | (mas) | (mas) | (mas) | |
| C–X | 0 | 0 | 0 | 0 | 0 | 0 |
| X–U | 0.004 | 0.007 | 0.002 | 0.003 | 0.003 | 0.004 |
| U–K | 0.010 | 0.016 | 0.004 | 0.007 | 0.005 | 0.008 |
Notes. The values are given per source and per frequency pair. Since C and X band observations were simultaneous, the non-dispersive tropospheric delay error vanishes when a difference between the frequencies is taken; hence, C–X error is zero.
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