[IGSMAIL-1582] change at EBRE site

Carme Carme
Wed Apr 16 01:36:15 PDT 1997


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IGS Electronic Mail      Wed Apr 16  1:36:15 PDT 1997      Message Number 1582
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Author: Carme Parareda
Subject: change at EBRE site

As anounced last Friday, the GPS receiver and antenna have been changed
today DOY: 105 at 10:00 UT. Data will be available from 00:00 to 10:00
UT recorded by the old receiver-antenna and from 11:00 to 23:59 UT
recorded by the new receiver-antenna.
Following there is the updated logsheet with the changes made. Note that
the antenna mount has been removed, so now the antenna height is 0.0
meters (it is mounted directly to the monument reference point).



     EBRE Site Information Form
     International GPS Service for Geodynamics


0.   Form

     Prepared by (full name)  : Carme Parareda
                              : Geodetic Department (Institut
Cartografic
                              : de Catalunya)
     Date Prepared            : 15-APR-1997
     Report Type              : UPDATE
     Prepared Using           : DOS editor


1.   Site Identification of the GPS Monument

     Site Name                : Ebre
     Four Character ID        : EBRE
     Monument Inscription     :
     IERS DOMES Number        : 13410M001
     CDP Number               :
     Date Installed           : dd-MAR-1992 hh:mm UT
     Geologic Characteristic  : CALCAREOUS CRUST AND CONGLOMERATE
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : FRESH
       Fracture Spacing       :
       Notes                  : Quaternary terrace, Pleistocene age
     Additional Information   : the monument is a 4.20m concrete pillar 
                                with forced centering
   

2.   Site Location Information

     City or Town             : Roquetes
     State or Province        : Tarragona
     Country                  : Spain
     Tectonic Plate           : Iberic plate - Eurasiatic plate
     Approximate Position
       X coordinate (m)       : 4833520
       Y coordinate (m)       : 41536
       Z coordinate (m)       : 4147461
       Latitude (deg)         : 40.8209 N
       Longitude (deg)        :  0.4924 E
       Elevation (m)          : 107.915
     Additional Information   : the site is placed in an astronomic
                              : observatory, Observatori de l'Ebre


3.   GPS Receiver Information

3.1  Receiver Type            : TRIMBLE 4000SSE
     Serial Number            : 3312A02805
     Firmware Version         : 6.01
     Date Installed           : 23-MAY-1994 hh:mm UT
     Date Removed             : 15-APR-1997 10:00 UT
     Additional Information   : (multiple lines)

3.x  Receiver Type            : TRIMBLE 4000SSI
     Serial Number            : 3651A17999
     Firmware Version         : 7.24
     Date Installed           : 15-APR-1997 10:13
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


4.   GPS Antenna Information

4.1  Antenna Type             : 4000ST L1/L2 GEOD
     Serial Number            : 00080026539
     Antenna Height (m)       : 0.054
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 04-FEB-1994 
     Date Removed             : 28-FEB-1995
     Additional Information   : (multiple lines)

4.2  Antenna Type             : MicroPulse L1/L2
     Serial Number            : 90LL12300
     Antenna Height (m)       : 0.054
     Antenna Reference Point  : BPA
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 28-FEB-1995 10:57 UT
     Date Removed             : 15-APR-1997 10:00 UT
     Additional Information   : (multiple lines)

4.x  Antenna Type             : DORNE MARGOLIN TRIM
     Serial Number            : 220080344
     Antenna Height (m)       : 0.000
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 15-APR-1997 10:13 UT
     Date Removed             : (dd-MMM-yyyy hh:mm UT)
     Additional Information   : (multiple lines)


5.   Local Site Ties

5.1  Monument Name            : SALOU (EUREF 076)
     Site Ref CDP Number      : (XXXX)
     Site Ref Domes Number    : (XXXXXXXXX)
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : -18176.157
       dy (m)                 : 56811.670
       dz (m)                 : 20034.209
     Accuracy (mm)            : 82
     Date Measured            : 18-MAR-1994 hh:mm UT
     Additional Information   : (multiple lines)

5.2  Monument Name            : Obs. de l'Ebre
     Site Ref CDP Number      : (XXXX)
     Site Ref Domes Number    : (XXXXXXXXX)
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : 47.618
       dy (m)                 : 133.352
       dz (m)                 : -61.570
     Accuracy (mm)            : 1
     Date Measured            : 23-OCT-1992 hh:mm UT
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

6.x  Standard Type            :
(H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
       Frequency              :
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)


7.   Collocation Information

7.x  Instrumentation Type     : (DORIS/GLONASS/PRARE/SLR/VLBI)
       Status                 : (PERMANENT/MOBILE)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : - digital ionosphere sounder DIGISONDE
DGS
                              : 286 (P),
                              : - sets of seismographs for the 3
components
                              : (NS, EW, vertical), and for short and
long
                              : period (P),
                              : - automatic magnetic stations ARGO and
                              : GEOMAG, classic register LaCour, and
absolute
                              : QHM,BMA,Ruska,Di-flux,protons
magnetometer
                              : (P),
       Other (specify)        :
                              : - equatorial telescope for sun
observation
                              : - complete meteorological station


8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (% rel h)     : (% rel h)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.2  Pressure Sensor Model    :
       Manufacturer           :
       Data Frequency         :
       Accuracy (mbar)        : (mbar)
       Height Diff to GPS (m) : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.3  Temperature Sensor Model :
       Manufacturer           :
       Data Frequency         :
       Accuracy (deg C)       : (deg C)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.4  Water Vapor Radiometer   :
       Manufacturer           :
       Distance to GPS (m)    : (m)
       Elev Diff to GPS (m)   : (m)
       Effective Dates        : (dd-MMM-yyyy - dd-MMM-yyyy)
       Notes                  : (multiple lines)

8.5  Other Instrumentation    : (multiple lines)


9.   On-Site, Point of Contact Agency Information

     Agency                   : Institut Cartografic de Catalunya
     Mailing Address          : Parc de Montjuic, E-08038 Barcelona
     Primary Contact
       Contact Name           : Carme Parareda
       Telephone (primary)    : 34-3-425 29 00
       Telephone (secondary)  :
       Fax                    : 34-3-426 74 42
       E-mail                 : carmep at icc.es
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Additional Information   : (multiple lines)


10.  Responsible Agency (if different from 9.)

     Agency                   : (multiple lines)
     Mailing Address          : (multiple lines)
     Primary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Additional Information   : (multiple lines)


11.  More Information

     URL for More Information :
     Hardcopy on File
       Site Map               : X
       Site Diagram           : X
       Horizon Mask           : X
       Monument Description   : X
       Site Pictures          : X
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions


ANTENNA CONFIGURATION ON SITE SINCE 15-APR-97:


              Trimble: DORNE MARGOLIN TRIM


       <--                      0.381                       -->
                                -----
                            /     +     \                       <-- 
0.128 L2
                           |      +      |                      <-- 
0.110 L1
         +--------------------------------------------------+   <-- 
0.102 TCR
         |                                                  |
         |                                                  |
         |                                                  |
         |                                                  |
       +-+--------------------------------------------------+-+ <-- 
0.038
       +-------------------+-------------+--------------------+ <-- 
0.035 BCR
                           |             |
                          =|             |
Monument =>      +---------+=====|x|=====+--------+             <-- 
0.000 ARP
Ref. Point +-----+--------|-----------------------+-------+
           |              Steel plate                     |
           |                                              |
           |                                              |
           |               Concrete pillar                |
           |                                              |
           |                                              |
           |                                              |




OTHER ANTENNA


Type: Micro Pulse L1/L2

                                    ---
                                /    +    \             <-----------+
0.087 L2
                               |     +     |            <---------+ |
0.072 L1
              +----------------------------------------------+    | |
              |                                              |    | |
              |                                              |    | |
              |                                              |    | |
              |                                              |    | |
 ARP=BPA  --> =================+====| |====+================== <-+--+
                               |           |                     |
                               |   Mount   |                     |
                               |           |                    0.054 m
                               |    +-+    |                     |
 Monument =>        +----------+====| |====+---------+         <-+
 Ref. Point   +-----+--------|-----------------------+-------+
              |              Steel plate                     |
              |                                              |
              |                                              |
              |               Concrete pillar                |
              |                                              |
              |                                              |
              |                                              |



Type:  TRIMBLE 4000ST L1/L2 GEOD

                       ----+----                          <--  0.070  L1
                    /      +      \                       <--  0.068  L2
++----------------+-----------------+-----------------++  <--  0.063 
TGP
++---------------+-------------------+----------------++  <--  0.060 
BGP
                 |                   |
                  |                 |
                   |               |
                    +------x------+                       <--  0.000 
ARP=BPA

                    <--  0.140  -->                                  
BPA
                 <--     0.155     -->                               
TPA
 <--                     0.467                      -->              
NOTCHES
<--                      0.483                       -->             
EDGE


   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   TGP: Top of Ground Plane               BGP: Bottom of Ground Plane
   TPA: Top of Preamplifier               BPA: Bottom of Preamplifier



[Mailed From: "Parareda, Carme" <carmep at icc.es>]



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