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dorismail               12-Oct-2018 14:08:15 Message No 1139
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Author: Jerome Saunier <Jerome.Saunier@ign.fr>
Subject: Network / Antenna change at RIO GRANDE (Argentina)


#### BEGIN HEADER ####
DORISMail version 1.1
Subject: No 1139 : Network/ new point RIO GRANDE
#### END HEADER ####

Dear colleagues,

Erratum: sorry for the confusing email subject of the previous DORISMail =B01137. Please replace it with this one in your email box.

The DORIS antenna at RIO GRANDE (Argentina) has recently been replaced foll=
owing an extended period of outage. Given that the equipment replacement wa=
s not performed by IGN, high precision control survey was not carried out b=
efore the antenna removal. It is assumed that the position of the antenna r=
emain unchanged after replacement.
Please find below the installation characteristics and the coordinates of t=
he new reference point :

Concerned site:
#### BEGIN SITE ####
Site name         : RIO GRANDE     ####
Site DOMES number : 41507     ####
#### END SITE ####

Characteristics of the new point:
#### BEGIN STATION ####
Four character ID           : RISC     ####
Antenna model               : Starec C type     ####
Station DOMES number        : 41507S008     ####
Date installed (dd/mm/yyyy) : 28/08/2018     ####
Antenna support type        : 45 cm high, 3-foot stainless steel support     ####
Installed on                : 55 cm diameter, 1.8 m high concrete pillar     ####
#### END STATION ####

The coordinates of the DORIS antenna reference point are:
#### BEGIN COORDINATES ####
Solution : dpod2014 2.0 (ITRF2014)     ####
Note about the coordinates :      ####
Epoch    : 2000.0     ####
Unit     : metre     ####
X        : 1429899.265     ####
Y        : -3495323.809     ####
Z        : -5122723.886     ####
Sig X    : 0.002     ####
Sig Y    : 0.002     ####
Sig Z    : 0.001     ####
#### END COORDINATES ####

The ITRF velocities for the site are:
#### BEGIN VELOCITIES ####
Note about the velocities :      ####
Unit     : metre / year     ####
VX       : 0.00579     ####
VY       : -0.00810     ####
VZ       : 0.00894     ####
Sig VX   : .0001     ####
Sig VY   : .0001     ####
Sig VZ   : .0001     ####
#### END VELOCITIES ####

Replacing previous DORIS antenna : RIRB
Date removed (dd/mm/yyyy) : 28/08/2018


Best regards,

Jerome Saunier
_______________________________________________________________
Reseaux et Services Internationaux
Service de Geodesie et Nivellement
IGN
73, AVENUE DE PARIS, 94165 SAINT-MANDE=20
ign.fr - geoportail.fr




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