[IGSMAIL-0912] New station at Grasse, France.
Loic
Loic
Thu Mar 23 06:17:14 PST 1995
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IGS Electronic Mail Thu Mar 23 6:17:14 PST 1995 Message Number 0912
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Author: Loic Boloh
Subject: New station at Grasse, France.
Subj : New station at O.C.A.(Grasse) - France.
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CNES has installed a turborogue near Grasse, at the Calern Observatory
(O.C.A. site) ; this station is operational since February 22, 1995.
It is co-located with SLR's and LLR's, and the GPS antenna is stationed near
a mobile VLBI mark. The antenna is mounted on a dedicated concrete pillar
on bedrock with forced centering plate which was especially built by IGN ;
local ties measurements were also performed by an IGN team.
The station is operated and monitored by Observatoire de la Cote d'Azur
personnel ; the data are retrieved daily by CNES to be controlled and rinexed
in Toulouse before going into the IGS data flow thru the IGN data center
in Paris.
The approximate coordinates of the GPS mark are the following :
X = 4581691.
Y = 556114.5
Z = 4389360.5
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International GPS Service for Geodynamics (IGS)
SITE INFORMATION FORM
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0. Form
Prepared by (full name): Loic Boloh
Date : March 13, 1995
Report type : NEW
(NEW or UPDATE)
1. Site Identification of the GPS monument
Site Name : Observatoire de Calern - OCA
4 char ID : GRAS
Monument Inscription : none
IERS DOMES Number : 10002 M006
CDP Number : -
Date : February 1995
Additional information : Monument is a concrete pillar on bedrock
with forced centering plate.
2. Site Location
City : Caussols
Country : France
Tectonic Plate : Eurasia
Additional information : Observatory located at Caussols, on plateau
de Calern, 10 Km NW of Grasse.
3. GPS Receiver
Type : ROGUE SNR-8100
Serial Number : Mod. 7490430 SN 146
Firmware Version : V2.8 - May 25, 1993
Date : Feb. 22, 1995
4. GPS Antenna
Type : DORNE MARGOLIN T
Serial Number : 469
Date : Feb. 22, 1995
Vertical Antenna Height: 0.035 m
Antenna Reference Point: BPA (Bottom of the Pre-Amp)
Date : Feb. 22, 1995
5. Local Site Ties
Monument CDP DOMES Components Acc. Date
Name Number Number dX dY dZ mm yy-mm-dd
--------------------------------------------------------------------------------
SLR 7835 10002 S001 + 0.632 +44.858 - 1.199 2 95-02-17
(intersection of axis)
Mobile VLBI marker 7605 10002 M003 + 6.639 +11.081 - 9.235 1 95-02-17
________________________________________________________________________________
Note : the differential coordinates are from the GRAS GPS mark to the
above reference points.
6. Frequency standard
H-maser / / Cesium / / Quartz / / Internal / X /
Other (specify) :
Date : Feb. 22, 1995
(Mark with 'X')
7. Collocation
SLR / P / VLBI / M / DORIS / / PRARE / /
8. On-site, Point of Contact Agency Information
Agency : Obs. de Calern - OCA
Contact : Francis PIERRON
Address : Observatoire de la Cote d'Azur
Avenue Nicolas Copernic
06100 GRASSE - France
Telephone : (33) 93 40 54 20
E-mail : PIERRON at OBS-AZUR.FR
9. Responsible Operations Agency
Agency : Centre National d'Etudes Spatiales
Contact : Loic Boloh
Address : CNES - EO/ST/SC
18, avenue Edouard Belin
31055 TOULOUSE - France
Telephone : (33) 61 27 31 56
E-mail : BOLOH at CNESTA.SPAN.CNES.FR
Fax : (33) 61 28 15 36
10. Please insert here the character graphics corresponding to the
antenna type. Check, complete or change if necessary the antenna
dimensions.
---
L2 Phase Center => / + \ <---------------+
L1 Phase Center => | + | <---------+ |
+----------------------------------------------+ | |
| | | |
| | | |
| | | |
| | | |
================================================== | |
| | | |
| +-+ | | 0.163 m
Antenna Ref. Point (ARP) => +====| |====+ <--+ | |
| Mount | | 0.145 m |
| | 0.035 m | |
Monument Ref. Point (M006) => | +-+ | <--+ <--+-----+
+----------------+====| |====+-----------------+
| |
| |
| |
| Concrete pillar |
| |
| |
| |
11. Hard copy information
Please mark 'X' if on file or date expected to be available.
Site Map : X
Site Diagram : X
Horizon Mask :
Monument description :
Site pictures : X
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[Mailed From: boloh at cnesta.span.cnes.fr]
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