TEHN00IRN 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) : David Maggert Date Prepared : 2024-09-09 Report Type : UPDATE If Update: Previous Site Log : tehn_20220420.log Modified/Added Sections : 1, 3.5, 3.6, 4.4 1. Site Identification of the GNSS Monument Site Name : TEHRAN Four Character ID : TEHN Monument Inscription : IERS DOMES Number : 20404M002 CDP Number : Monument Description : PILLAR Height of the Monument : 0.8 m Monument Foundation : CONCRETE BLOCK ABOVE ROOF Foundation Depth : 0.4 m Marker Description : BRASS PLATE Date Installed : 1999-10-01T00:00Z Geologic Characteristic : CONGLOMERATE Bedrock Type : SEDIMENTARY Bedrock Condition : Fracture Spacing : Fault zones nearby : YES NORTH TEHRAN FAULT Distance/activity : 11 KM Additional Information : 2. Site Location Information City or Town : TEHRAN State or Province : TEHRAN Country : IRAN Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 3240499.4030 Y coordinate (m) : 4049740.3230 Z coordinate (m) : 3701663.0050 Latitude (N is +) : +354150.21 Longitude (E is +) : +0512002.73 Elevation (m,ellips.) : 1194.6 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 3722A19461 Firmware Version : 7.29 Elevation Cutoff Setting : 10 deg Date Installed : 1999-12-01T00:00Z Date Removed : 2004-01-16T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC2200325003 Firmware Version : CN00 Elevation Cutoff Setting : 10 deg Date Installed : 2004-01-17T00:00Z Date Removed : 2006-02-04T10:03Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : IR2200517006 Firmware Version : CQ00 Elevation Cutoff Setting : 10 deg Date Installed : 2006-02-04T10:03Z Date Removed : 2016-05-24T06:25Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO Serial Number : 5035k69752 Firmware Version : 4.7 Elevation Cutoff Setting : 10 deg Date Installed : 2016-05-24T06:30Z Date Removed : 2022-04-19T06:30Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : HI-TARGET VNET8 Satellite System : GPS+GLO+GAL+BDS Serial Number : 11364464 Firmware Version : 2.9.17 Elevation Cutoff Setting : 10 deg Date Installed : 2022-04-19T06:30Z Date Removed : 2024-03-13T09:27Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : HI-TARGET VNET8 Satellite System : GPS+GLO+GAL+BDS Serial Number : 11364464 Firmware Version : 3.4.30 Elevation Cutoff Setting : 10 deg Date Installed : 2024-03-13T09:27Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : 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 : TRM29659.00 NONE Serial Number : CR0220088298 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 : +3 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 1999-12-01T00:00Z Date Removed : 2004-01-16T00:00Z Additional Information : 4.2 Antenna Type : ASH701945B_M SNOW Serial Number : CR520031632 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 : +3 deg Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2004-01-17T00:00Z Date Removed : 2016-05-24T06:25Z Additional Information : 4.3 Antenna Type : TRM57971.00 NONE Serial Number : 1441017406 Antenna Reference Point : BAM 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 : +3 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2016-05-24T06:30Z Date Removed : 2022-04-19T06:30Z Additional Information : 4.4 Antenna Type : HITAT45101CP HITZ Serial Number : SJ30300067 Antenna Reference Point : BAM 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 : +1 deg Antenna Radome Type : HITZ Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2022-04-19T06:30Z 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.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 : 1999-12-01/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 : FG5 ABSOLUT GRAVIMETER Status : MOBILE Effective Dates : 2000-09-17/2000-09-24 Notes : 2001-09-15/2001-09-20 : 2002-09-10/2002-09-14 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 : NATIONAL CARTOGRAPHIC CENTER oF IRAN Preferred Abbreviation : NCC Mailing Address : GEODSEY AND GEODYNAMIC DEPT Primary Contact Contact Name : HAMID REZA NANKALI Telephone (primary) : 009821 63182465 Telephone (secondary) : 009821 66071098 Fax : 00982166071000 E-mail : nankalihamid@gmail.com Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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 : (multiple lines) 13. More Information Primary Data Center : CDDIS Secondary Data Center : BKG URL for More Information : Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : (Y or URL)Y Additional Information : Antenna Graphics with Dimensions TRM55971.00 TRM57971.00 TRM77971.00 RNG80971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / \ / \-----x-----/ <-- 0.0000 BAM=ARP RXC=NRP <-- 0.3396 --> Notches ASH701945B_M ASH701945C_M ASH701945D_M ASH701945E_M ASH701945G_M +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1006 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0376 +-------------------+-------------+--------------------+ <-- 0.0346 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3794 -->