SOFI00BGR 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 : 2023-06-08 Report Type : UPDATE If Update: Previous Site Log : sofi00bgr_20230209.log Modified/Added Sections : 11, 12, 13 1. Site Identification of the GNSS Monument Site Name : Sofia / Bulgaria Four Character ID : SOFI Monument Inscription : IERS DOMES Number : 11101M002 CDP Number : (A4) Monument Description : CONCRETE PILLAR ON THE ROOF Height of the Monument : 0.9 m Monument Foundation : CONCRETE PILLAR ANCHORED ON THE ROOF Foundation Depth : (m) Marker Description : SURVEY MARKER BOLT Date Installed : 1997-05-19T10:00Z 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 : NO Distance/activity : (multiple lines) Additional Information : The concrete GPS pillar is anchored on the roof : on the building of the Military Geographic : Service Observatory. The top of the pillar is : 6.9 m above the ground. : Non-consolidated continental sediments for the : bedrock. 2. Site Location Information City or Town : Sofia State or Province : N/A Country : Bulgaria Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4319372.390 Y coordinate (m) : 1868687.570 Z coordinate (m) : 4292063.800 Latitude (N is +) : +423321.93 Longitude (E is +) : +0232341.02 Elevation (m,ellips.) : 1119.6 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T344 Firmware Version : 3.2.32.4 Elevation Cutoff Setting : 0 deg Date Installed : 1997-05-19T10:00Z Date Removed : 1999-07-11T11:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T344 Firmware Version : 3.2.32.9 Elevation Cutoff Setting : 0 deg Date Installed : 1999-07-11T11:00Z Date Removed : 2000-11-25T23:59Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.3 Receiver Type : AOA SNR-8000 ACT Satellite System : GPS Serial Number : T-344U Firmware Version : 3.3.32.2 Elevation Cutoff Setting : 0 deg Date Installed : 2001-03-09T10:00Z Date Removed : 2005-06-06T12:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.4 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AFUY1RUPO1S Firmware Version : 2.3 Apr,28,2004 p4 Elevation Cutoff Setting : 0 deg Date Installed : 2005-06-06T12:00Z Date Removed : 2005-07-20T11:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Additional number LE 2130 : on the type level. 3.5 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AFUY1RUPO1S Firmware Version : 2.3 APR,28,2004 P4 Elevation Cutoff Setting : 0 deg Date Installed : 2005-07-20T11:00Z Date Removed : 2007-11-09T08:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Additional number LE 2130 : on the Type level. : No actual change took : place. : /par/lock/notvis switched : to 'on' for 'all in view'. 3.6 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AFLQXTM48W0 Firmware Version : 2.6.0 APR,18,2007 Elevation Cutoff Setting : 0 deg Date Installed : 2007-11-09T08:40Z Date Removed : 2008-01-17T16:14Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Additional number LE4567 : on the Type level. : /par/lock/notvis switched : to 'on' for 'all in view'. 3.7 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AFLQXTM48W0 Firmware Version : 2.6.1 JAN,10,2008 Elevation Cutoff Setting : 0 deg Date Installed : 2008-01-17T16:15Z Date Removed : 2010-03-26T09:39Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Additional number LE4567 : /par/lock/notvis switched : to 'on' for 'all in view'. : on the Type level. 3.8 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AFLQXTM48W0 Firmware Version : 3.4 DEC,12,2009 P2 Elevation Cutoff Setting : 0 deg Date Installed : 2010-03-26T09:40Z Date Removed : 2010-03-30T14:29Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Additional number LE4567 : /par/lock/notvis switched : to 'on' for 'all in view'. : on the Type level. 3.9 Receiver Type : TPS E_GGD Satellite System : GPS+GLO Serial Number : AFLQXTM48W0 Firmware Version : 2.6.1 JAN,10,2008 Elevation Cutoff Setting : 0 deg Date Installed : 2010-03-30T14:30Z Date Removed : 2010-04-29T12:59Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : Additional number LE4567 : /par/lock/notvis switched : to 'on' for 'all in view'. : on the Type level. 3.10 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 356544 Firmware Version : 7.80/3.018 Elevation Cutoff Setting : 0 deg Date Installed : 2010-04-29T13:00Z Date Removed : 2010-05-02T15:59Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.11 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 356544 Firmware Version : 7.80/3.019 Elevation Cutoff Setting : 0 deg Date Installed : 2010-05-02T16:00Z Date Removed : 2014-06-12T13:29Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.12 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 356544 Firmware Version : 7.80/3.054 Elevation Cutoff Setting : 0 deg Date Installed : 2014-06-12T13:30Z Date Removed : 2014-06-17T12:34Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.13 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 356544 Firmware Version : 8.71/3.822 Elevation Cutoff Setting : 0 deg Date Installed : 2014-06-17T12:35Z Date Removed : 2014-07-21T13:54Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.14 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 356544 Firmware Version : 8.71/3.823 Elevation Cutoff Setting : 0 deg Date Installed : 2014-07-21T13:55Z Date Removed : 2021-02-08T12:00Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : (multiple lines) 3.15 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831025 Firmware Version : 4.31/7.403 Elevation Cutoff Setting : 0 deg Date Installed : 2021-02-10T09:00Z Date Removed : 2021-05-26T09:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.16 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 1831025 Firmware Version : 4.50/7.710 Elevation Cutoff Setting : 0 deg Date Installed : 2021-05-26T09:25Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : (multiple lines) 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 : AOAD/M_T NONE Serial Number : 287 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.2200 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 : RG 214 Antenna Cable Length : 30 m Date Installed : 1997-05-19T10:00Z Date Removed : 2000-10-13T00:00Z Additional Information : (multiple lines) 4.2 Antenna Type : AOAD/M_T NONE Serial Number : 287 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.2203 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 : RG 214 Antenna Cable Length : 30 m Date Installed : 2000-10-13T00:00Z Date Removed : 2001-03-10T00:00Z Additional Information : (multiple lines) 4.3 Antenna Type : AOAD/M_T NONE Serial Number : 287 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.2200 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 : RG 214 Antenna Cable Length : 30 m Date Installed : 2001-03-10T00:00Z Date Removed : 2010-04-29T12:59Z Additional Information : (multiple lines) 4.4 Antenna Type : LEIAR25.R3 LEIT Serial Number : 09160008 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.2200 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 : RG 214 Antenna Cable Length : 30 m Date Installed : 2010-04-29T13:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Antenna calibrated absolute : by Geo++ Garbsen, 2010-04-01. 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 : SLR Tied Marker Usage : SLR Tied Marker CDP Number : 7505 Tied Marker DOMES Number : 11101M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 25.284 m dy (m) : 10.325 m dz (m) : -39.033 m Accuracy (mm) : 1 mm Survey method : TRIANGULATION Date Measured : 1995-09-21 Additional Information : MTLRS-1 5.2 Tied Marker Name : Pillar 0556A Tied Marker Usage : GPS Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 8.279 m dy (m) : -42.383 m dz (m) : 9.307 m Accuracy (mm) : 1 mm Survey method : TRIANGULATION Date Measured : 1995-09-21 Additional Information : EUREF-BG-1992 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 : 1997-05-19/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 7.1 Instrumentation Type : GPS EUREF-BG-1992 Status : MOBILE Effective Dates : 1992-10-04/1992-10-08 Notes : Pillar 0556A. : TEMPORARY. 7.2 Instrumentation Type : SLR MTLRS-1 Status : MOBILE Effective Dates : 1995-09-01/1995-10-01 Notes : (multiple lines) 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 : Data Sampling Interval : 900 sec Accuracy (% rel h) : 1.5 % rel h Aspiration : CAPACITANCE PROBE Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 1997-06-01/2005-06-06 Notes : Humidity Sensor is : 2.0 m below the antenna 8.1.2 Humidity Sensor Model : HD 9008 TR Manufacturer : Delta Ohm Serial Number : 04017147 Data Sampling Interval : 900 sec Accuracy (% rel h) : 1.5 % rel h Aspiration : CAPACITANCE PROBE Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 2005-06-06/2021-02-08 Notes : Humidity Sensor is : 2.0 m below the antenna 8.1.3 Humidity Sensor Model : Vaisala WXT520 Manufacturer : Vaisala Serial Number : L4310382 Data Sampling Interval : 900 sec Accuracy (% rel h) : (% rel h) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 2021-02-10/CCYY-MM-DD Notes : (multiple lines) 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 Manufacturer : L-TEC LEIBENGUTH Serial Number : Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 1997-06-01/1999-10-26 Notes : Pressure Sensor is : 2.0 m below the antenna 8.2.2 Pressure Sensor Model : APS Manufacturer : L-TEC LEIBENGUTH Serial Number : 4895A136 Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 1999-10-26/2000-02-01 Notes : Pressure Sensor is : 2.0 m below the antenna 8.2.3 Pressure Sensor Model : APS Manufacturer : L-TEC LEIBENGUTH Serial Number : 4895A143 Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 2000-02-01/2005-06-06 Notes : Pressure Sensor is : 2.0 m below the antenna 8.2.4 Pressure Sensor Model : APS Manufacturer : Roesler + Cie Serial Number : 11 5A011 95 Data Sampling Interval : 900 sec Accuracy : 1 hPa Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 2005-06-06/2021-02-08 Notes : Pressure Sensor is : 2.0 m below the antenna 8.2.5 Pressure Sensor Model : Vaisala WXT520 Manufacturer : Vaisala Serial Number : L4310382 Data Sampling Interval : 900 sec Accuracy : (hPa) Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 2021-02-10/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) 8.3.1 Temp. Sensor Model : MP408A Manufacturer : ROTRONIC Serial Number : Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : PLATINUM PROBE Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 1997-06-01/2005-06-06 Notes : Temperature Sensor is : 2.0 m below the antenna 8.3.2 Temp. Sensor Model : HD 9008 TR Manufacturer : Delta Ohm Serial Number : 04017147 Data Sampling Interval : 900 sec Accuracy : 0.3 deg C Aspiration : PLATINUM PROBE Height Diff to Ant : 2 m Calibration date : (CCYY-MM-DD) Effective Dates : 2005-06-06/2021-02-08 Notes : Temperature Sensor is : 2.0 m below the antenna 8.3.3 Temp. Sensor Model : Vaisala WXT520 Manufacturer : Vaisala Serial Number : L4310382 Data Sampling Interval : 900 sec Accuracy : (deg C) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 2021-02-10/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 : 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 Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions AOAD/M_T from 1997-05-19 until 2010-04-29 ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.0 BPA=ARP <-- 0.381 --> LEIAR25.R3 from 2010-04-29 +-------+ <-- 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