ISTA00TUR 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) : GOW Operator (gnss_wtz@bkg.bund.de) Date Prepared : 2023-05-11 Report Type : UPDATE If Update: Previous Site Log : ista00tur_20230209.log Modified/Added Sections : 11, 12, 13 1. Site Identification of the GNSS Monument Site Name : Istanbul / Turkey Four Character ID : ISTA Monument Inscription : IERS DOMES Number : 20807M001 CDP Number : (A4) Monument Description : CONCRETE PILLAR ON THE ROOF Height of the Monument : 1.122 m Monument Foundation : CONCRETE PILLAR ANCHORED TO THE ROOF Foundation Depth : (m) Marker Description : SURVEY MARKER BOLT WITH THREAD Date Installed : 1999-12-11T00:00Z Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (0 cm/1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : The concrete GPS pillar is : anchored on the roof of the : building for the Civil Engineering : Faculty in the Istanbul Technical : University. : The top of the pillar is 24.037 m : above the ground. 2. Site Location Information City or Town : Istanbul State or Province : N/A Country : Turkey Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4208830.460 Y coordinate (m) : 2334850.140 Z coordinate (m) : 4171267.180 Latitude (N is +) : +410616.01 Longitude (E is +) : +0290109.62 Elevation (m,ellips.) : 147.2 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP02295 Firmware Version : 1K00-1D04 Elevation Cutoff Setting : 0 deg Date Installed : 1999-12-11T00:00Z Date Removed : 2007-11-08T11:45Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Ashtech GPS Receiver XII, : Mdl. Z-12, : P/N 700845-10 (E) 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP00839 Firmware Version : 1K00-1D04 Elevation Cutoff Setting : 0 deg Date Installed : 2007-11-08T11:50Z Date Removed : 2016-05-04T00:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.3 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831540 Firmware Version : 3.22/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-05-09T07:00Z Date Removed : 2016-07-13T11:29Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.4 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831540 Firmware Version : 4.00/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-07-13T11:30Z Date Removed : 2016-11-10T12:35Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.5 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831540 Firmware Version : 4.02/6.522 Elevation Cutoff Setting : 0 deg Date Installed : 2016-11-10T12:40Z Date Removed : 2017-02-07T10:45Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.6 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831540 Firmware Version : 4.10/6.523 Elevation Cutoff Setting : 0 deg Date Installed : 2017-02-07T10:50Z Date Removed : 2017-05-04T11:13Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.7 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831540 Firmware Version : 4.11/6.523 Elevation Cutoff Setting : 0 deg Date Installed : 2017-05-04T11:16Z Date Removed : 2018-12-02T18:05Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.8 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831540 Firmware Version : 4.31/6.712 Elevation Cutoff Setting : 0 deg Date Installed : 2018-12-02T18:20Z Date Removed : 2021-05-26T07:30Z Temperature Stabiliz. : none Additional Information : FW 4.31/6.712 is a firmware version released on : demand to enable optimized all in view tracking : on GR10/GR25 receivers, where this is : specifically required. Contact Leica Geosystems : Heerbrugg for further information. 3.9 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831540 Firmware Version : 4.50/6.713 Elevation Cutoff Setting : 0 deg Date Installed : 2021-05-26T08:05Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : FW 4.50/6.713 is a firmware version released on : demand to enable optimized all in view tracking : on GR10/GR25 receivers, where this is : specifically required. Contact Leica Geosystems : Heerbrugg for further information. 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+IRNSS+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 : ASH700936D_M SNOW Serial Number : CR13556 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0610 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 m Date Installed : 1999-12-11T00:00Z Date Removed : 2016-05-04T00:00Z Additional Information : Ashtech Choke Ring Antenna : P/N 700936 (D) with Dome 4.2 Antenna Type : LEIAR25.R4 LEIT Serial Number : 726339 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0610 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : LEIT Radome Serial Number : Antenna Cable Type : ECCOFLEX 15 PLUS Antenna Cable Length : 50 m Date Installed : 2016-05-09T07:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : (multiple lines) 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.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 : (if external) Effective Dates : 1999-12-11/CCYY-MM-DD Notes : (multiple lines) 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 8.1.1 Humidity Sensor Model : MP408A-T4-W4W Manufacturer : ROTRONIC Serial Number : 21206 010 Data Sampling Interval : 900 sec Accuracy (% rel h) : 1.5 % rel h Aspiration : CAPACITANCE PROBE Height Diff to Ant : -1.15 m Calibration date : (CCYY-MM-DD) Effective Dates : 2002-06-10/2016-05-12 Notes : Humidity Sensor is 1.15 m : above the antenna 8.1.2 Humidity Sensor Model : WXT520 Manufacturer : VAISALA Serial Number : L4310378 Data Sampling Interval : 900 sec Accuracy (% rel h) : 3 % rel h Aspiration : Capacitive thinfilm polymer Height Diff to Ant : -1.15 m Calibration date : 2015-10-23 Effective Dates : 2016-05-12/CCYY-MM-DD Notes : The capacitive thinfilm polymer : sensor HU?ICAP 180 for humidity : measurements is 1.15 m above the : antenna 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) 8.2.1 Pressure Sensor Model : APS 9215 Manufacturer : L-TEC LEIBENGUTH Serial Number : 0501 4599A Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 3.52 m Calibration date : (CCYY-MM-DD) Effective Dates : 2002-06-10/2016-05-12 Notes : Pressure Sensor is 3.52 m : below the antenna 8.2.2 Pressure Sensor Model : WXT520 Manufacturer : VAISALA Serial Number : L4310378 Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : -1.15 m Calibration date : 2015-10-23 Effective Dates : 2016-05-12/CCYY-MM-DD Notes : The capacitive silicon sensor : BAROCAP for pressure measurements : is 1.15 m above the antenna 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) 8.3.1 Temp. Sensor Model : MP408A-T4-W4W Manufacturer : ROTRONIC Serial Number : 21206 010 Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : PLATINUM PROBE Height Diff to Ant : -1.15 m Calibration date : (CCYY-MM-DD) Effective Dates : 2002-06-10/2016-05-12 Notes : Temperature Sensor is : 1.15 m above the antenna 8.3.2 Temp. Sensor Model : WXT520 Manufacturer : VAISALA Serial Number : L4310378 Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : Capacitive ceramic Height Diff to Ant : -1.15 m Calibration date : 2015-10-23 Effective Dates : 2016-05-12/CCYY-MM-DD Notes : The capacitive ceramic sensor : THERMOCAP for air temperature : is 1.15 m above the antenna 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 : Bundesamt fuer Kartographie und Geodaesie : Department of Geodaesie Preferred Abbreviation : BKG Mailing Address : Richard-Strauss-Allee 11 : D-60598 Frankfurt a.M. : Germany Primary Contact Contact Name : GOW Operator Telephone (primary) : +49 9941 6030 Telephone (secondary) : +49 9941 603122 Fax : +49 9941 603222 E-mail : gnss_wtz@bkg.bund.de Secondary Contact Contact Name : BKG GNSS Data Center Telephone (primary) : +49 69 6333274 Telephone (secondary) : +49 69 63331 Fax : +49 69 6333425 E-mail : bkg-gdc@bkg.bund.de Additional Information : (multiple lines) 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 : (multiple lines) 13. More Information Primary Data Center : BKG Secondary Data Center : BEV URL for More Information : https://www.bkg.bund.de Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions ASH700936D_M with ASHTECH white conical Radome SNOW from 1999-12-11 until 2016-05-04 ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> LEIAR25.R4 with LEIT Radome from 2016-05-09 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1606 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3802 --> 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 TOP: Top of Pole