SPT000SWE 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) : SWEPOS Control Centre Date Prepared : 2022-12-08 Report Type : UPDATE If Update: Previous Site Log : spt000swe_20220506.log Modified/Added Sections : 3.17, 3.18 1. Site Identification of the GNSS Monument Site Name : SP Boras Four Character ID : SPT0 Monument Inscription : IERS DOMES Number : 10425M001 CDP Number : (A4) Monument Description : PILLAR Height of the Monument : (m) Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc) Date Installed : 1995-12-01T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : FRESH Fracture Spacing : over 200 cm Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : Swedish permanent GNSS Network (SWEPOS) : Mark at the centre of a horizontal metal plate : embedded on the concrete monument. : GABBRO bedrock. : The same monument and antenna has been used for : the IGEX/IGLOS-site SP0G up to 2003-08-19. 2. Site Location Information City or Town : Boras State or Province : N/A Country : Sweden Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 3328984.813 Y coordinate (m) : 761910.066 Z coordinate (m) : 5369033.475 Latitude (N is +) : +574253.84 Longitude (E is +) : +0125328.84 Elevation (m,ellips.) : 219.9 Additional Information : SWEREF 99 (Swedish realisation of ETRS89). 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 603 Firmware Version : 1F00 Elevation Cutoff Setting : 10 deg Date Installed : 1995-12-14T00:00Z Date Removed : 1996-06-16T00:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Full S/N 04603. : Approximate dates for installation and removal. 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 941 Firmware Version : 1G00 Elevation Cutoff Setting : 10 deg Date Installed : 1996-06-17T00:00Z Date Removed : 1997-04-21T00:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Full S/N 700570B04941. : Approximate dates for installation and removal. 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 941 Firmware Version : 1G00 Elevation Cutoff Setting : 5 deg Date Installed : 1997-04-21T00:00Z Date Removed : 1997-12-16T00:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Full S/N 700570B04941. : Approximate dates for installation and removal. 3.4 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 941 Firmware Version : 1I00 Elevation Cutoff Setting : 5 deg Date Installed : 1997-12-17T00:00Z Date Removed : 1998-07-09T00:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Full S/N 700570B04941. : Approximate dates for installation and removal. : Secondary receiver on site was possibly : ASHTECH Z-XII3, S/N 837 (LP02837). 3.5 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 941 Firmware Version : CB00 Elevation Cutoff Setting : 5 deg Date Installed : 1998-07-10T00:00Z Date Removed : 1999-08-24T00:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Full S/N 700570B04941. : Approximate dates for installation and removal. : Secondary receiver on site was ASHTECH Z-XII3, : S/N 837 (LP02837). 3.6 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 941 Firmware Version : CC00 Elevation Cutoff Setting : 5 deg Date Installed : 1999-08-25T00:00Z Date Removed : 2001-09-05T00:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Full S/N 700570B04941. : Approximate dates for installation and removal. : Secondary receiver on site was ASHTECH Z-XII3, : S/N 837 (LP02837). 3.7 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311430635 Firmware Version : 1.9 Aug,11,1999 pl4 Elevation Cutoff Setting : 5 deg Date Installed : 2001-09-06T00:00Z Date Removed : 2003-06-23 Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.8 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311430635 Firmware Version : 2.3 May,13,2003 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2003-06-23 Date Removed : 2004-11-22T15:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Firmware upgrade. 3.9 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311430635 Firmware Version : 2.3 Apr,28,2004 p4 Elevation Cutoff Setting : 5 deg Date Installed : 2004-11-22T15:00Z Date Removed : 2008-05-06T09:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Firmware upgrade. 3.10 Receiver Type : JPS E_GGD Satellite System : GPS+GLO Serial Number : AFFE4GQHRLS Firmware Version : 2.6.1 Jan,10,2008 Elevation Cutoff Setting : 5 deg Date Installed : 2008-05-06T09:00Z Date Removed : 2012-01-16T14:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.11 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00319 Firmware Version : 3.3.5 Nov,16,2011 Elevation Cutoff Setting : 5 deg Date Installed : 2012-01-16T14:00Z Date Removed : 2014-01-14T17:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.12 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00319 Firmware Version : 3.3.5 Nov,16,2011 Elevation Cutoff Setting : 0 deg Date Installed : 2014-01-14T17:00Z Date Removed : 2015-02-09T15:15Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.13 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00319 Firmware Version : 3.5.6 Aug,14,2014 Elevation Cutoff Setting : 0 deg Date Installed : 2015-02-09T15:15Z Date Removed : 2015-11-17T10:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.14 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00319 Firmware Version : 3.5.12 Nov,12,2015 Elevation Cutoff Setting : 0 deg Date Installed : 2015-11-17T10:00Z Date Removed : 2019-04-02T10:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.15 Receiver Type : SEPT POLARX5TR Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3046430 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-02T10:00Z Date Removed : 2019-09-30T10:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.16 Receiver Type : SEPT POLARX5TR Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3046430 Firmware Version : 5.3.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-09-30T10:00Z Date Removed : 2021-03-19T12:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.17 Receiver Type : SEPT POLARX5TR Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3046430 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-03-19T12:00Z Date Removed : 2022-12-08T09:59Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : (multiple lines) 3.18 Receiver Type : SEPT POLARX5TR Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3046430 Firmware Version : 5.5.0 Elevation Cutoff Setting : 0 deg Date Installed : 2022-12-08T10:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : 23.0 +/- 1.0 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 OSOD Serial Number : 258 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0710 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : OSOD Radome Serial Number : Antenna Cable Type : Andrew Heliax LDF2-50 Antenna Cable Length : 70 m Date Installed : 1995-12-01 Date Removed : 2016-08-23T07:15Z Additional Information : (multiple lines) 4.2 Antenna Type : JNSCR_C146-22-1 OSOD Serial Number : 00275 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0710 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : OSOD Radome Serial Number : Antenna Cable Type : Andrew Heliax LDF2-50 Antenna Cable Length : 70 m Date Installed : 2016-08-23T07:15Z Date Removed : 2020-08-13T08:30Z Additional Information : (multiple lines) 4.3 Antenna Type : TRM59800.00 OSOD Serial Number : 5025353801 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0710 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : OSOD Radome Serial Number : Antenna Cable Type : Andrew Heliax LDF2-50 Antenna Cable Length : 70 m Date Installed : 2020-08-13T10:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Microwave absorbing material Eccosorb is : attached to the bottom of the chokering : Outdoor part of cable is temperature stabilized, : located in a pipe with circulating water 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 : Boras (BOR0) Tied Marker Usage : LOCAL CONTROL Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 0.000 m dy (m) : 0.000 m dz (m) : 0.000 m Accuracy (mm) : 0 mm Survey method : TRILATERATION/TRIANGULATION Date Measured : 1995-12-01T00:00Z Additional Information : (multiple lines) 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 : EXTERNAL CESIUM Input Frequency : 10 MHz Effective Dates : 1995-12-01/2003-10-27 Notes : (multiple lines) 6.2 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 2003-10-27/2008-03-18 Notes : Cesium replaced with Hydrogen Maser at : 16:30 UT 6.3 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 2008-03-18/2008-03-20 Notes : Unstable frequency due to maintenance : work on the maser 6.4 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 2008-03-20/2009-04-09 Notes : Hydrogen maser back to normal operation 6.5 Standard Type : EXTERNAL H-MASER Input Frequency : 10 MHz Effective Dates : 2009-04-09/2019-04-02 Notes : Prev. maser replaced due to unstable frequency 6.6 Standard Type : EXTERNAL H-MASER Input Frequency : 10 MHz Effective Dates : 2019-04-02/CCYY-MM-DD Notes : Time and frequency from UTC(SP). H-Maser based 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 Status : PERMANENT Effective Dates : 1995-12-01/CCYY-MM-DD Notes : BIPM, SWEPOS, and IGS receivers : share the same pillar/antenna system. : The GPS site SPT0 and the GPS/GLONASS : site SP0G have been merged into site SPT0, : equipped with a GPS/GLONASS receiver. 7.2 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2003-06-16/2003-06-17 Notes : (multiple lines) 7.3 Instrumentation Type : TIME Status : PERMANENT Effective Dates : 2003-10-21/CCYY-MM-DD Notes : Ku band ground station for TWSTFT used for : international comparison of UTC(SP) 7.4 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2011-10-07/CCYY-MM-DD Notes : EPN station SPT0 7.5 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2013-04-19/2013-04-21 Notes : Observation performed by Lantmateriet. 7.6 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2018-01-01/CCYY-MM-DD Notes : RIT1/SP06 connected to same antenna as SPT7 : Main receiver for UTC(SP) 7.7 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2018-02-01/CCYY-MM-DD Notes : RIT2/SP07 connected to same antenna as SPT0 : Time and frequency from UTC(SP). H-Maser based 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) 9.2.1 Multipath Sources : MULTIPATH REDUCTION Effective Dates : 2007-06-08/2016-08-23 Additional Information : Microwave absorbing material Eccosorb was : mounted around and beneath the antenna to : reduce multipath. 9.2.2 Multipath Sources : RADOME HEATING Effective Dates : 2009-09-30/CCYY-MM-DD Additional Information : A fan system for removal of snow on the radome : is installed. The fan heats the air under the : radome. 9.2.3 Multipath Sources : TEMPORARY SCAFFOLD AROUND PILLAR Effective Dates : 2016-08-18/2016-09-05 Additional Information : A scaffold was erected around the pillar for the : antenna replacement that was carried out : 2016-08-23. 9.2.4 Multipath Sources : MULTIPATH REDUCTION Effective Dates : 2016-08-26/CCYY-MM-DD Additional Information : Microwave absorbing material Eccosorb was : mounted beneath the antenna to : reduce multipath. 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 : Lantmäteriet, the Swedish mapping, cadastral : and land registration authority Preferred Abbreviation : LMV Mailing Address : Lantmäteriet : SE-801 82 Gävle : Sweden Primary Contact Contact Name : SWEPOS Control Centre Telephone (primary) : +46 26 63 37 53 Telephone (secondary) : Fax : E-mail : swepos@lm.se 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 : Hardcopy on File Site Map : (Y or URL) Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions TRM59800.00 ----- / \ | | +-------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0381 +-------------------+-------------+-------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.0000 BPA=ARP RXC=NRP <-- 0.3810 -->