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dorismail               19-Feb-2013 14:59:43 Message No 0862
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Author: =?iso-8859-1?Q?J=E9r=F4me_Saunier?= <jerome.saunier@ign.fr>
Subject: Network/ new point TRISTAN DA CUNHA


#### BEGIN HEADER ####
DORISMail version 1.1
Subject: No 0862 : Network/ new point TRISTAN DA CUNHA 
#### END HEADER ####

Dear colleagues,

After a long failure period, the DORIS station at Tristan da Cunha in Central South Atlantica is back
to operation since over six months!
We moved the antenna 20 meters further east in order to reduce obstructions and a dedicated shed for the beacon was
set up.

Please find below the installation characteristics and the coordinates of the new reference point :

Concerned site:
#### BEGIN SITE ####
Site name         : TRISTAN DA CUNHA      ####
Site DOMES number : 30604     ####
#### END SITE ####

Characteristics of the new point:
#### BEGIN STATION ####
Four character ID           : TRJB     ####
Antenna model               : Starec 52291 type     ####
Station DOMES number        : 30604S003     ####
Date installed (dd/mm/yyyy) : 11/06/2012     ####
Antenna support type        : 3m high very rigid metal tower     ####
Installed on                : concrete pad     ####
#### END STATION ####

The coordinates of the DORIS antenna reference point are:
#### BEGIN COORDINATES ####
Solution : DPOD2008     ####
Note about the coordinates :      ####
Epoch    : 2005.0     ####
Unit     : metre     ####
X        : 4978474.799     ####
Y        : -1086612.063     ####
Z        : -3823190.341     ####
Sig X    : 0.001     ####
Sig Y    : 0.001     ####
Sig Z    : 0.001     ####
#### END COORDINATES ####

The ITRF velocities for the site are:
#### BEGIN VELOCITIES ####
Note about the velocities :      ####
Unit     : metre / year     ####
VX       : 0.0185     ####
VY       : 0.0204     ####
VZ       : 0.0154     ####
Sig VX   :      ####
Sig VY   :      ####
Sig VZ   :      ####
#### END VELOCITIES ####


Best regards,

Jerome Saunier
_______________________________________
Reseaux et Service Internationaux
Service de Geodesie et Nivellement
IGN
73, AVENUE DE PARIS, 94165 SAINT-MANDE CEDEX
ign.fr - geoportail.fr



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