SPT0 Site Information Form (site log) International GNSS Service See Instructions at: ftp://igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Mats Westberg Date Prepared : 2017-04-25 Report Type : UPDATE If Update: Previous Site Log : spt0_20170413.log Modified/Added Sections : 0, 11, 13 1. Site Identification of the GNSS Monument Site Name : SP Boras Four Character ID : SPT0 Monument Inscription : IERS DOMES Number : 10425M001 CDP Number : Monument Description : PILLAR Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1995-12-01T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : Bedrock Condition : FRESH Fracture Spacing : over 200 cm Fault zones nearby : Distance/activity : Additional Information : Swedish permanent GPS 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 : Country : Sweden Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 3328984.8136 Y coordinate (m) : 761910.0660 Z coordinate (m) : 5369033.4748 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 : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311430635 Firmware Version : 1.9 Aug,11,1999 pl4 Elevation Cutoff Setting : 5 deg Date Installed : 1999-11-01T00:00Z Date Removed : 2003-06-23T00:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : 3.2 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 : 2003-06-23T00:00Z Date Removed : 2004-11-22T15:00Z Temperature Stabiliz. : 23.0 +/- 1.0 Additional Information : Firmware upgrade. 3.3 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. 3.4 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 : 3.5 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 : 3.6 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 : 3.7 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 : 3.8 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 : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : 23.0 +/- 1.0 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 : 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 : 1995-12-01T00:00Z Date Removed : 2016-08-23T07:15Z Additional Information : 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 : 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 5.1 Tied Marker Name : Boras (BOR0) Tied Marker Usage : LOCAL CONTROL Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 0 dy (m) : 0 dz (m) : 0 Accuracy (mm) : 0 mm Survey method : TRILATERATION/TRIANGULATION Date Measured : 1995-12-01T00:00Z Additional Information : 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 : 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/CCYY-MM-DD Notes : Prev. maser replaced due to unstable frequency 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 : 7.3 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2013-04-19/2013-04-21 Notes : Observation performed by Lantmateriet. 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 : RISE Research Institutes of : Sweden Preferred Abbreviation : RISE Mailing Address : PO Box 857 : S-501 15 Borås : Sweden Primary Contact Contact Name : Kenneth Jaldehag Telephone (primary) : +46 10 516 54 08 Telephone (secondary) : +46 70 690 59 91 Fax : +46 10 516 56 20 E-mail : kenneth.jaldehag@ri.se Secondary Contact Contact Name : SWEPOS Control Centre Telephone (primary) : +46 26 63 37 53 Telephone (secondary) : +46 26 63 38 84 Fax : +46 26 65 42 75 E-mail : swepos@lm.se Additional Information : 12. Responsible Agency (if different from 11.) Agency : Lantmateriet, the Swedish mapping, cadastral and : land registration authority Preferred Abbreviation : LMV Mailing Address : S-801 82 Gavle : SWEDEN Primary Contact Contact Name : Peter Wiklund Telephone (primary) : +46 26 63 38 84 Telephone (secondary) : +46 70 344 06 38 Fax : +46 26 61 06 76 E-mail : peter.wiklund@lm.se Secondary Contact Contact Name : Jan Johansson Telephone (primary) : +46 10 516 55 04 Telephone (secondary) : +46 31 772 5558 Fax : +46 10 512 50 38 E-mail : jan.johansson@sp.se Additional Information : 13. More Information Primary Data Center : BKG Secondary Data Center : BEV URL for More Information : Hardcopy on File Site Map : Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions JNSCR_C146-22-1 --------- / \ | | +-------------------------------------------------+ <-- 0.1015 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0379 +-------------------+-------------+-------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP NOM=NRP <-- 0.3800 -->