[IGSMAIL-7879] igs14_2086.atx: Update including new GLONASS-M satellite R859

[arturo.villiger at aiub.unibe.ch]

Dear IGS colleagues,

The absolute IGS antenna correction file (igs14_wwww.atx) has been
updated. The new release is called 'igs14_2086.atx'. It contains
the following changes:


1) According to the Information Analytical Centre (IAC), GLONASS-M satellite R859 (2019-088A) launched on December 11, 2019 was put into slot 04. The satellite started to transmit on December 27, 2019. Note that the SVN number was assigned according to an IGS Workshop recommendation (see IGSMAIL #7252) to 859 (changed from 759 to 859).

The following PRELIMINARY phase center offset (PCO) values were assigned:

PCO_X = -54.5 cm
PCO_Y = 0.0 cm
PCO_Z = 245.0 cm

2) The following decommission date has been added:

  R04 (742):  25 August 2019

3) One additional antenna type calibration has been added that were performed by Geo++ GmbH:

     - One robot calibration provided by  Hi-Target Surveying Instrument Co., Ltd  has been added:
       SLGAT45101CP    SLGZ


The updated antenna correction model is available at
ftp://ftp.igs.org/pub/station/general/igs14_2086.atx
or
ftp://ftp.igs.org/pub/station/general/igs14.atx

With best regards,
Arturo Villiger
on behalf of the IGS Antenna Working Group

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