[IGSMAIL-7356] igs08_1915.atx: Updated phase center offsets for Galileo satellites
Ralf Schmid
schmid at tum.de
Fri Sep 23 02:35:42 PDT 2016
Dear IGS colleagues!
The absolute IGS antenna correction file (igs08_wwww.atx) has been
updated. The new release is called 'igs08_1915.atx'. It contains the
following changes:
1) The conventional MGEX phase center offset values for Galileo IOV
(GALILEO-1) and FOC (GALILEO-2) satellites were replaced by rounded mean
values of DLR and GFZ (all values in cm):
+-------+-------+------------+------------+-------+
| Sat. | Comp. | igs08_1914 | igs08_1915 | Delta |
+-------+-------+------------+------------+-------+
| IOV | X | -20 | -17 | +3 |
| | Y | 0 | +3 | +3 |
| | Z | +60 | +95 | +35 |
+-------+-------+------------+------------+-------+
| FOC | X | +15 | +12 | -3 |
| | Y | 0 | -1 | -1 |
| | Z | +100 | +110 | +10 |
+-------+-------+------------+------------+-------+
| E201/ | X | +15 | +16 | +1 |
| E202 | Y | 0 | -1 | -1 |
| | Z | +100 | +105 | +5 |
+-------+-------+------------+------------+-------+
E1, E5a, E5b, E5, and E6 were set to the results for the ionosphere-free
linear combination of E1 and E5a. Details on the estimation of the new
values can be found in
Steigenberger P, Fritsche M, Dach R, Schmid R, Montenbruck O, Uhlemann
M, Prange L (2016) Estimation of satellite antenna phase center offsets
for Galileo. J Geod 90(8): 773-785. doi:10.1007/s00190-016-0909-6
http://doi.org/10.1007/s00190-016-0909-6
2) The start date of the reactivated Block IIA satellite G032/G04 was
corrected:
14 September 2016 --> 15 September 2016
The updated antenna correction model is available at
ftp://ftp.igs.org/pub/station/general/igs08_1915.atx
or
ftp://ftp.igs.org/pub/station/general/igs08.atx
With best regards,
Ralf Schmid
on behalf of the IGS Antenna Working Group
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