DJIG00DJI Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       ftp://igs.org/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by (full name)  : Jean-Claude POYARD
     Date Prepared            : 2019-06-12
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : djig_20190129.log
      Modified/Added Sections : 3.11, 3.12, 4.3


1.   Site Identification of the GNSS Monument

     Site Name                : Djibouti
     Four Character ID        : DJIG
     Monument Inscription     : None
     IERS DOMES Number        : 39901M005
     CDP Number               : 
     Monument Description     : concrete pillar
       Height of the Monument : 0.8 m
       Monument Foundation    : Concrete block embedded in the ground
       Foundation Depth       : 
     Marker Description       : Top and centre of threaded marker
     Date Installed           : 2001-01-01T00:00Z
     Geologic Characteristic  : Basaltic rock
       Bedrock Type           : 
       Bedrock Condition      : 
       Fracture Spacing       : 
       Fault zones nearby     : 
         Distance/activity    : 
     Additional Information   : Pillar formerly used by PAR0 GNSS station


2.   Site Location Information

     City or Town             : Observatoire Geophysique d’Arta
     State or Province        : 
     Country                  : Djibouti
     Tectonic Plate           : SOMALIA
     Approximate Position (ITRF)
       X coordinate (m)       : 4583086.1415
       Y coordinate (m)       : 4250982.5036
       Z coordinate (m)       : 1266243.0645
       Latitude (N is +)      : +113134.63526
       Longitude (E is +)     : +0425049.43202
       Elevation (m,ellips.)  : 711.409
     Additional Information   : IGS2008 EPOCH 2012.0


3.   GNSS Receiver Information

3.1  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 4.81
     Elevation Cutoff Setting : 3 deg
     Date Installed           : 2013-12-11T00:00Z
     Date Removed             : 2014-06-12T13:51Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.2  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 4.85
     Elevation Cutoff Setting : 3 deg
     Date Installed           : 2014-06-12T13:51Z
     Date Removed             : 2015-06-09T07:10Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.3  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.01
     Elevation Cutoff Setting : 3 deg
     Date Installed           : 2015-06-09T07:15Z
     Date Removed             : 2015-10-29T09:47Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.4  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.01
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2015-10-29T09:48Z
     Date Removed             : 2016-04-25T14:20Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.5  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.10
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-04-25T14:30Z
     Date Removed             : 2016-09-05T11:46Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.6  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.14
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-09-05T11:50Z
     Date Removed             : 2016-12-19T13:35Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.7  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.15
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2016-12-19T13:52Z
     Date Removed             : 2017-07-07T09:01Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.8  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.22
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2017-07-07T09:07Z
     Date Removed             : 2018-02-20T09:02Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.9  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.30
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-02-20T09:15Z
     Date Removed             : 2018-08-01T15:00Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.10 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.33
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2018-08-01T15:05Z
     Date Removed             : 2019-01-29T07:20Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.11 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO+GAL+BDS+SBAS+IRNSS
     Serial Number            : 17323022338
     Firmware Version         : 5.2.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-01-29T07:40Z
     Date Removed             : 2019-05-30T06:30Z
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.12 Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO+GAL+BDS+SBAS
     Serial Number            : 5225K50145
     Firmware Version         : 5.33
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2019-05-30T06:30Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : 22.0 +/- 3.0
     Additional Information   : 

3.x  Receiver Type            : (A20, from rcvr_ant.tab; see instructions)
     Satellite System         : (GPS+GLO+GAL+BDS+QZSS+SBAS)
     Serial Number            : (A20, but note the first A5 is used in SINEX)
     Firmware Version         : (A11)
     Elevation Cutoff Setting : (deg)
     Date Installed           : (CCYY-MM-DDThh:mmZ)
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Temperature Stabiliz.    : (none or tolerance in degrees C)
     Additional Information   : (multiple lines)


4.   GNSS Antenna Information

4.1  Antenna Type             : TRM59800.00     NONE
     Serial Number            : 5311354626
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 000.4404
     Marker->ARP North Ecc(m) : 000.0015
     Marker->ARP East Ecc(m)  : 000.0009
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : Time Microwave LMR600
     Antenna Cable Length     : 90 m
     Date Installed           : 2013-12-11T00:00Z
     Date Removed             : 2014-10-27T08:00Z
     Additional Information   : 

4.2  Antenna Type             : TRM59800.00     NONE
     Serial Number            : 5129354214
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 000.4404
     Marker->ARP North Ecc(m) : 000.0015
     Marker->ARP East Ecc(m)  : 000.0009
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : Time Microwave LMR600
     Antenna Cable Length     : 90 m
     Date Installed           : 2014-10-27T08:00Z
     Date Removed             : 2016-08-24T13:00Z
     Additional Information   : 

4.3  Antenna Type             : TRM59800.00     NONE
     Serial Number            : 5037353965
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.4404
     Marker->ARP North Ecc(m) : 0.0015
     Marker->ARP East Ecc(m)  : 0.0009
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : Time Microwave LMR600
     Antenna Cable Length     : 90 m
     Date Installed           : 2016-08-24T13:15Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   : 

4.x  Antenna Type             : (A20, from rcvr_ant.tab; see instructions)
     Serial Number            : (A*, but note the first A5 is used in SINEX)
     Antenna Reference Point  : (BPA/BCR/XXX from "antenna.gra"; see instr.)
     Marker->ARP Up Ecc. (m)  : (F8.4)
     Marker->ARP North Ecc(m) : (F8.4)
     Marker->ARP East Ecc(m)  : (F8.4)
     Alignment from True N    : (deg; + is clockwise/east)
     Antenna Radome Type      : (A4 from rcvr_ant.tab; see instructions)
     Radome Serial Number     : 
     Antenna Cable Type       : (vendor & type number)
     Antenna Cable Length     : (m)
     Date Installed           : (CCYY-MM-DDThh:mmZ)
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Additional Information   : (multiple lines)


5.   Surveyed Local Ties

5.1  Tied Marker Name         : PAR0
     Tied Marker Usage        : GNSS
     Tied Marker CDP Number   : 
     Tied Marker DOMES Number : 39901S004
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : -0.0086
       dy (m)                 : -0.0080
       dz (m)                 : -0.0024
     Accuracy (mm)            : 2 mm
     Survey method            : TRILATERATION
     Date Measured            : 2013-12-11T00:00Z
     Additional Information   : Surveyed by IGN-France

5.2  Tied Marker Name         : DJIB
     Tied Marker Usage        : DORIS
     Tied Marker CDP Number   : 
     Tied Marker DOMES Number : 39901S003
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : 46.6011
       dy (m)                 : -38.2857
       dz (m)                 : -13.8046
     Accuracy (mm)            : 1 mm
     Survey method            : TRILATERATION
     Date Measured            : 2013-12-11T00:00Z
     Additional Information   : Surveyed by IGN-France

5.3  Tied Marker Name         : DORIS_rep_2
     Tied Marker Usage        : DORIS FOOTPRINT
     Tied Marker CDP Number   : 
     Tied Marker DOMES Number : 39901M003
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : 45.9291
       dy (m)                 : -38.9073
       dz (m)                 : -13.9923
     Accuracy (mm)            : 1 mm
     Survey method            : TRILATERATION
     Date Measured            : 2013-12-11T00:00Z
     Additional Information   : Surveyed by IGN-France

5.4  Tied Marker Name         : ARO0
     Tied Marker Usage        : MARKER
     Tied Marker CDP Number   : 
     Tied Marker DOMES Number : 39901M001
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : 1.9761
       dy (m)                 : -2.9439
       dz (m)                 : -1.3981
     Accuracy (mm)            : 1 mm
     Survey method            : TRILATERATION
     Date Measured            : 2013-12-11T00:00Z
     Additional Information   : Surveyed by IGN-France

5.x  Tied Marker Name         : 
     Tied Marker Usage        : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
     Tied Marker CDP Number   : (A4)
     Tied Marker DOMES Number : (A9)
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : (m)
       dy (m)                 : (m)
       dz (m)                 : (m)
     Accuracy (mm)            : (mm)
     Survey method            : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc)
     Date Measured            : (CCYY-MM-DDThh:mmZ)
     Additional Information   : (multiple lines)


6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Input Frequency        : 
       Effective Dates        : 2013-12-11/CCYY-MM-DD
       Notes                  : 

6.x  Standard Type            : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc)
       Input Frequency        : (if external)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)


7.   Collocation Information

7.1  Instrumentation Type     : DORIS
       Status                 : PERMANENT
       Effective Dates        : 1987-03-10/CCYY-MM-DD
       Notes                  : 

7.x  Instrumentation Type     : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc)
       Status                 : (PERMANENT/MOBILE)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)


8.   Meteorological Instrumentation

8.1.x  Humidity Sensor Model  : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy (% rel h)     : (% rel h)
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.2.x  Pressure Sensor Model  : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy               : (hPa)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.3.x  Temp. Sensor Model     : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy               : (deg C)
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.4.x  Water Vapor Radiometer : 
       Manufacturer           : 
       Serial Number          : 
       Distance to Antenna    : (m)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.5.x  Other Instrumentation  : (multiple lines)


9.   Local Ongoing Conditions Possibly Affecting Computed Position

9.1.x  Radio Interferences    : (TV/CELL PHONE ANTENNA/RADAR/etc)
       Observed Degradations  : (SN RATIO/DATA GAPS/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)

9.2.x  Multipath Sources      : (METAL ROOF/DOME/VLBI ANTENNA/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)

9.3.x  Signal Obstructions    : (TREES/BUILDINGS/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)


10.  Local Episodic Effects Possibly Affecting Data Quality

10.x Date                     : (CCYY-MM-DD/CCYY-MM-DD)
     Event                    : (TREE CLEARING/CONSTRUCTION/etc)

11.  On-Site, Point of Contact Agency Information

     Agency                   : Observatoire Geophysique d'Arta
                              : Centre d'Etudes et de Recherche de Djibouti
     Preferred Abbreviation   : CERD
     Mailing Address          : P.BOX: 1888 Djibouti - Republic of Djibouti
     Primary Contact
       Contact Name           : Saad Ibrahim
       Telephone (primary)    : (+253) 77 80 88 31
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : saad_ibro(at)hotmail.com
     Secondary Contact
       Contact Name           : Souleiman Hassan
       Telephone (primary)    : +253 27 42 21 92
       Telephone (secondary)  : +253 27 42 20 09
       Fax                    : 
       E-mail                 : observatoire.arta(at)gmail.com
     Additional Information   : 


12.  Responsible Agency (if different from 11.)

     Agency                   : Centre National d'Etudes Spatiales
     Preferred Abbreviation   : CNES
     Mailing Address          : CNES 
                              : 18, avenue Edouard Belin
                              : 31401 Toulouse cedex 09 - France
     Primary Contact
       Contact Name           : Jean-Paul Cardaliaguet
       Telephone (primary)    : (33) 5.61.27.31.98
       Telephone (secondary)  : (33) 5.61.28.35.22
       Fax                    : 
       E-mail                 : jean-paul.cardaliaguet@cnes.fr
     Secondary Contact
       Contact Name           : Generic email
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : regina.operation@cnes.fr
     Additional Information   : 

13.  More Information

     Primary Data Center      : IGN
     Secondary Data Center    : BKG
     URL for More Information : 
     Hardcopy on File
       Site Map               : 
       Site Diagram           : 
       Horizon Mask           : 
       Monument Description   : 
       Site Pictures          : 
     Additional Information   : : (multiple lines)
     Antenna Graphics with Dimensions



TRM59800.00

                         -----
                     /           \
                    |             |
  +-------------------------------------------------+     <--  0.1020  TCR
  |                                                 |
  |                                                 |
  |                                                 |
  |                                                 |
+-+-------------------------------------------------+-+   <--  0.0381
+-------------------+-------------+-------------------+   <--  0.0350  BCR
                    |             |
                   =|             |
                    +------x------+                       <--  0.0000  BPA=ARP

<--                      0.3810                     -->

Abbreviations
-------------
ARP: antenna reference point
BCR: bottom of chokering
BPA: bottom of preamplifier
TCR: top of chokering

Dimensions
----------
All dimensions are in meters.