YIBL00OMN Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       https://files.igs.org/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by (full name)  : Mohammed Sulaimani
     Date Prepared            : 2023-06-27
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : yibl_20220919.log
      Modified/Added Sections : 3.1, 3.2, 3.3, 3.4, 4.1, 4.2


1.   Site Identification of the GNSS Monument

     Site Name                : Yibal Oman
     Four Character ID        : YIBL
     Monument Inscription     : Yibal Permanent Network No. 1
     IERS DOMES Number        : 25001M001
     CDP Number               : none
     Monument Description     : Short drilled braced monument
       Height of the Monument : 1.0 m
       Monument Foundation    : 5 drilled stainless steel rods
       Foundation Depth       : 3.0 m
     Marker Description       : Top of SCIGN mount attached to drilled rods
     Date Installed           : 2003-07-11T00:00Z
     Geologic Characteristic  : Quaternary sediments
       Bedrock Type           : 
       Bedrock Condition      : 
       Fracture Spacing       : 
       Fault zones nearby     : 
         Distance/activity    : 
     Additional Information   : Site lies over lower cretacous Shu'auba and
                              : middle cretaceous Natih limestones.  The site
                              : is about 6 km from the edge of a producing
                              : oil field (YIBAL).  The center of the oil
                              : field is 10 km from the site.


2.   Site Location Information

     City or Town             : Yibal
     State or Province        : Fahud
     Country                  : Oman
     Tectonic Plate           : ARABIAN
     Approximate Position (ITRF)
       X coordinate (m)       : 3294552.811
       Y coordinate (m)       : 4905092.434
       Z coordinate (m)       : 2393579.637
       Latitude (N is +)      : +221111.25
       Longitude (E is +)     : +0560644.40
       Elevation (m,ellips.)  : 95.1
     Additional Information   : ITRF2000: coordinates at 2003.68 (2003-09-05)


3.   GNSS Receiver Information

3.1  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : 4507ZR52001
     Firmware Version         : CJ12
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2003-07-11T00:00Z
     Date Removed             : 2006-11-12T00:11Z
     Temperature Stabiliz.    : 
     Additional Information   : Passive cool box

3.2  Receiver Type            : TRIMBLE NETRS
     Satellite System         : GPS
     Serial Number            : 4623116485
     Firmware Version         : 1.1-5
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2006-11-12T22:40Z
     Date Removed             : 2014-01-19T12:20Z
     Temperature Stabiliz.    : 
     Additional Information   : passive cool box

3.3  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS
     Serial Number            : 5323K43643
     Firmware Version         : 4.62
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2014-01-19T12:20Z
     Date Removed             : 2019-07-01T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : passive cool box

3.4  Receiver Type            : TRIMBLE NETR9
     Satellite System         : GPS+GLO
     Serial Number            : 5323K43643
     Firmware Version         : 4.62
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2019-07-01T00:00Z
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Temperature Stabiliz.    : 
     Additional Information   : GLONASS data added.  Passive cool box

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             : ASH701945C_M    NONE
     Serial Number            : 4812CR62001
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0000
     Marker->ARP North Ecc(m) : 0.0000
     Marker->ARP East Ecc(m)  : 0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : Ashtech 10 m antenna cable (N to N) (700265)
     Antenna Cable Length     : 10 m
     Date Installed           : 2003-07-11T00:00Z
     Date Removed             : 2022-07-26T00:00Z
     Additional Information   : 

4.2  Antenna Type             : ASH701945C_M    NONE
     Serial Number            : 4812CR62001
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0400
     Marker->ARP North Ecc(m) : 0.0000
     Marker->ARP East Ecc(m)  : 0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : Ashtech 10 m antenna cable (N to N) (700265)
     Antenna Cable Length     : 10 m
     Date Installed           : 2022-07-26T00:00Z
     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         : 
     Tied Marker Usage        : 
     Tied Marker CDP Number   : 
     Tied Marker DOMES Number : 
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 : 
       dy (m)                 : 
       dz (m)                 : 
     Accuracy (mm)            : 
     Survey method            : 
     Date Measured            : (CCYY-MM-DDThh:mmZ)
     Additional Information   : Site is tied to local control sites 5km NW and
                              : 10 km SSW on a monthly basis.

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.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.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                   : Petrolium Development Oman
     Preferred Abbreviation   : PDO
     Mailing Address          : (multiple lines)
     Primary Contact
       Contact Name           : Mr. Ahmed Tabook
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : Ahmed.S.Tabook@pdo.co.om
     Secondary Contact
       Contact Name           : Naseer Al Bulushi
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : Naseer.NB.Bulushi@pdo.co.om
     Additional Information   : 


12.  Responsible Agency (if different from 11.)

     Agency                   : (multiple lines)
     Preferred Abbreviation   : (A10)
     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   : 


13.  More Information

     Primary Data Center      : CDDIS
     Secondary Data Center    : SIO
     URL for More Information : http://www-gpsg.mit.edu/~tah/YIBL
     Hardcopy on File
       Site Map               : 
       Site Diagram           : 
       Horizon Mask           : 
       Monument Description   : http://www-gpsg.mit.edu/~tah/YIBL
       Site Pictures          : http://www-gpsg.mit.edu/~tah/YIBL
     Additional Information   : 
     Antenna Graphics with Dimensions


ASH701945C_M
Dorne Margolin with chokerings, 701945-02 REV C, IGS
milled chokerings, watertight design
                       +-------+
                     /     +     \                        <--  0.1280 L2
                    |      +      |                       <--  0.1100 L1
  +-----------------+-------------+------------------+    <--  0.1006 
TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <--  0.0376
+-------------------+-------------+--------------------+  <--  0.0346 
BCR
                    |             |
                    |             |
                    +------x------+                       <--  0.0000 
BPAARP

<--                      0.3890                      -->


   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering
   BPA: Bottom of Preamplifier