YLDZ00TUR Site Information Form (site log v2.0)
International GNSS Service
See Instructions at:
https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt
0. Form
Prepared by (full name) : YTU GNSS TEAM
Date Prepared : 2022-06-03
Report Type : UPDATE
If Update:
Previous Site Log : yldz00tur_20190503.log
Modified/Added Sections : 11, 12
1. Site Identification of the GNSS Monument
Site Name : YILDIZ / Turkey
Nine Character ID : YLDZ00TUR
Monument Inscription : Pillar
IERS DOMES Number : 20815M001
CDP Number : (A4)
Monument Description : PILLAR ON THE ROOF
Height of the Monument : 1.20 m
Monument Foundation : METAL BLOCK
Foundation Depth : (m)
Marker Description : STEEL REFERENCE POINT
Date Installed : 2010-01-01T15:00Z
Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
Bedrock Type : METAMORPHIC
Bedrock Condition : JOINTED
Fracture Spacing : 0 cm
Fault zones nearby : (YES/NO/Name of the zone)
Distance/activity : (multiple lines)
Additional Information : GPS pillar is anchored on the roof of the
: Department of Geomatic Engineering building in
: the Yildiz Technical University.
2. Site Location Information
City or Town : Istanbul
State or Province : istanbul
Country or Region : TUR
Tectonic Plate : EURASIAN
Approximate Position (ITRF)
X coordinate (m) : 4219315.133
Y coordinate (m) : 2328105.669
Z coordinate (m) : 4164453.852
Latitude (N is +) : +410123.66
Longitude (E is +) : +0285319.48
Elevation (m,ellips.) : 126.9
Additional Information : (multiple lines)
3. GNSS Receiver Information
3.1 Receiver Type : ASHTECH PF800
Satellite System : GPS+GLO+SBAS
Serial Number : 201208021
Firmware Version : S832Kv26
Elevation Cutoff Setting : 0 deg
Date Installed : 2012-07-17T10:00Z
Date Removed : 2015-09-17T05:00Z
Temperature Stabiliz. : none
Additional Information : Firmware update
3.2 Receiver Type : ASHTECH PF800
Satellite System : GPS+GLO+SBAS
Serial Number : 201208021
Firmware Version : S844Kl27
Elevation Cutoff Setting : 0 deg
Date Installed : 2015-09-17T06:19Z
Date Removed : 2017-06-23T23:59Z
Temperature Stabiliz. : none
Additional Information : Receiver failure
3.3 Receiver Type : ASHTECH PF800
Satellite System : GPS+GLO
Serial Number : 201208021
Firmware Version : S844Kl27
Elevation Cutoff Setting : 5 deg
Date Installed : 2017-10-23T00:00Z
Date Removed : 2019-04-05T23:59Z
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : (multiple lines)
3.4 Receiver Type : ASHTECH PF800
Satellite System : GPS+GLO+SBAS
Serial Number : 201208021
Firmware Version : S850Kn27
Elevation Cutoff Setting : 0 deg
Date Installed : 2019-04-25
Date Removed : CCYY-MM-DDThh:mmZ
Temperature Stabiliz. : (deg C) +/- (deg C)
Additional Information : Firmware update
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 : AERAT1675_120 SPKE
Serial Number : AT5759005
Antenna Reference Point : BAM
Marker->ARP Up Ecc. (m) : 0.1390
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : SPKE
Radome Serial Number : 5044
Antenna Cable Type : RG 214
Antenna Cable Length : 30 m
Date Installed : 2012-07-17T00:00Z
Date Removed : CCYY-MM-DDThh:mmZ
Additional Information : The antenna was absolute calibrated by GEO++.
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 : 2012-07-17/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.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 : Yildiz Technical University
: Department of Geomatic Engineering
: Geodetic Metrology Laboratory
Preferred Abbreviation : YTU
Mailing Address : Davutpasa Campus
: TR-34220 Esenler-Istanbul
: Turkey
Primary Contact
Contact Name : YTU GNSS TEAM
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : [email protected]
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
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 : igs.bkg.bund.de
Hardcopy on File
Site Map : Y
Site Diagram : Y
Horizon Mask : Y
Monument Description : Y
Site Pictures : Y
Additional Information : (multiple lines)
Antenna Graphics with Dimensions
AERAT1675_120 SPKE
/ \ <-- 0.351 TOP
| |
| |
| |
+----------+ <-- 0.238 TGP
/ \
/ \
/ \
/ \
/ \
/ \
/ \
/ \
/ \
/ \
+--------------------------------------------------+
| |
| | <-- 0.09653 L2
| | <-- 0.08051 L1
| |
+-------------------+------x------+----------------+ <-- 0.000 BAM=ARP
<-- 0.376 -->
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
