ONSA00SWE 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) : SWEPOS Control Centre Date Prepared : 2019-11-04 Report Type : UPDATE If Update: Previous Site Log : onsa_20190930.log Modified/Added Sections : 3.13 1. Site Identification of the GNSS Monument Site Name : ONSALA Four Character ID : ONSA Monument Inscription : ONSALA 301 IERS DOMES Number : 10402M004 CDP Number : Monument Description : PILLAR Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1991-07-01T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : Bedrock Condition : FRESH Fracture Spacing : over 200 cm Fault zones nearby : Distance/activity : Additional Information : GABBRO : Swedish permanent GPS Network (SWEPOS) : The same monument and antenna has been used for : the IGEX/IGLOS-site OS0G up to 2003-08-19 2. Site Location Information City or Town : Onsala State or Province : Country : Sweden Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 3370658.832 Y coordinate (m) : 711876.939 Z coordinate (m) : 5349786.745 Latitude (N is +) : +572343.07 Longitude (E is +) : +0115531.85 Elevation (m,ellips.) : 45.5 Additional Information : SWEREF 99 (Swedish realisation of ETRS89). : Swedish westcoast, near Gothenburg 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : 199 Firmware Version : 2.8 Elevation Cutoff Setting : 0 deg Date Installed : 1993-07-01T00:00Z Date Removed : 1999-02-01T00:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : Elevation cutoff setting unknown 3.2 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 834 Firmware Version : 1F60 Elevation Cutoff Setting : 5 deg Date Installed : 1999-02-02T00:00Z Date Removed : 1999-07-03T00:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.3 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 834 Firmware Version : CC00 Elevation Cutoff Setting : 5 deg Date Installed : 1999-07-03T00:00Z Date Removed : 2003-08-19T00:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.4 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT301613113 Firmware Version : 2.3 May,13,2003 p1 Elevation Cutoff Setting : 5 deg Date Installed : 2003-08-19T00:00Z Date Removed : 2004-03-10T16:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.5 Receiver Type : JPS E_GGD Satellite System : GPS+GLO Serial Number : AGOMET9N0N4 Firmware Version : 2.3 Feb,17,2004 p4b2 Elevation Cutoff Setting : 5 deg Date Installed : 2004-03-10T16:00Z Date Removed : 2007-11-01T08:30Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.6 Receiver Type : JPS E_GGD Satellite System : GPS+GLO Serial Number : AG72YY6YV40 Firmware Version : 2.3 Feb,17,2004 p4b2 Elevation Cutoff Setting : 5 deg Date Installed : 2007-11-01T08:40Z Date Removed : 2008-05-15T14:30Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.7 Receiver Type : JPS E_GGD Satellite System : GPS+GLO Serial Number : AG72YY6YV40 Firmware Version : 2.6.1 Jan,10,2008 Elevation Cutoff Setting : 5 deg Date Installed : 2008-05-15T14:40Z Date Removed : 2014-01-14T17:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : Firmware upgrade 3.8 Receiver Type : JPS E_GGD Satellite System : GPS+GLO Serial Number : AG72YY6YV40 Firmware Version : 2.6.1 Jan,10,2008 Elevation Cutoff Setting : 0 deg Date Installed : 2014-01-14T17:00Z Date Removed : 2015-05-05T14:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.9 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00323 Firmware Version : 3.5.6 Aug,14,2014 Elevation Cutoff Setting : 0 deg Date Installed : 2015-05-05T14:00Z Date Removed : 2015-07-08T12:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.10 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00323 Firmware Version : 3.5.9 Apr,21,2015 Elevation Cutoff Setting : 0 deg Date Installed : 2015-07-08T12:00Z Date Removed : 2015-11-17T10:00Z Temperature Stabiliz. : 25.0 +/- 3.0 Additional Information : 3.11 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00323 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. : 25.0 +/- 3.0 Additional Information : 3.12 Receiver Type : SEPT POLARX5TR Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3046506 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 : 3.13 Receiver Type : SEPT POLARX5TR Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 3046506 Firmware Version : 5.3.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-09-30T10:00Z 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_B DUTD Serial Number : 20 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 0.9950 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 180 deg Antenna Radome Type : DUTD Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1991-07-01T00:00Z Date Removed : 1999-02-01T00:00Z Additional Information : Antenna correctly oriented towards : North on 1994-09-11. 4.2 Antenna Type : AOAD/M_B OSOD Serial Number : 020 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 0.9950 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 : Antenna Cable Length : Date Installed : 1999-02-02T00:00Z Date Removed : 2013-08-28T12:00Z Additional Information : 4.3 Antenna Type : AOAD/M_B NONE Serial Number : 020 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 0.9950 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 : Antenna Cable Length : Date Installed : 2013-08-28T12:00Z Date Removed : 2013-11-06T13:05Z Additional Information : Radome temporarily removed, due to : participation in IGS Radome Experiment at : Co-located Stations. 4.4 Antenna Type : AOAD/M_B OSOD Serial Number : 020 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 0.9950 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 : Antenna Cable Length : Date Installed : 2013-11-06T13:05Z 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 : ONSALA 131 Tied Marker Usage : VLBI Tied Marker CDP Number : 7213 Tied Marker DOMES Number : 10402S002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -52.631 dy (m) : 40.464 dz (m) : 43.865 Accuracy (mm) : 1 mm Survey method : TRILATERATION/TRIANGULATION Date Measured : 1993-04-15T00:00Z Additional Information : Differential coordinates from the GPS : monument to the reference and other : monuments. : The components are parallel to the : XYZ-axes : of the global geocentric reference : system : ITRF (WGS-84). 5.2 Tied Marker Name : ONSALA 501 Tied Marker Usage : VLBI Tied Marker CDP Number : 7211 Tied Marker DOMES Number : 10402M006 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -16.704 dy (m) : -10.902 dz (m) : 9.290 Accuracy (mm) : 1 mm Survey method : GPS CAMPAIGN/TRILATERATION/TRIANGULATION Date Measured : 1993-04-15T00:00Z Additional Information : Differential coordinates from the GPS : monument to the reference and other : monuments. : The components are parallel to the : XYZ-axes : of the global geocentric reference : system : ITRF (WGS-84). 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 H-MASER Input Frequency : 5 MHz Effective Dates : 1991-07-01/2019-04-02 Notes : CLOCK STEERING has been Y since 1999-02-02. : CLOCK STEERING set to N 2000-12-06 00:00 UT. : AUTO-SWITCH has always been Y. : Clock steering information valid for Ashtech : receivers. 6.2 Standard Type : EXTERNAL H-MASER Input Frequency : 10 MHz Effective Dates : 2019-04-02/CCYY-MM-DD Notes : KVARZ CH1-75A 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 : VLBI Status : PERMANENT Effective Dates : 1980-01-01/CCYY-MM-DD Notes : Also Mobile VLBI, Gravim 7.2 Instrumentation Type : GLONASS/GPS Status : PERMANENT Effective Dates : 1998-10-21/2003-08-19 Notes : Same pillar and antenna as the GPS : station. : GPS site ONSA and GPS/GLONASS site OS0G : have been merged into site ONSA, equipped : with a GPS/GLONASS receiver. 7.3 Instrumentation Type : GPS Status : PERMANENT Effective Dates : 2003-08-19/CCYY-MM-DD Notes : Same pillar and antenna as the GPS/GLONASS : station. 7.4 Instrumentation Type : GRAVITY Status : MOBILE Effective Dates : 1995-09-26/1995-09-27 Notes : 7.5 Instrumentation Type : GRAVITY Status : MOBILE Effective Dates : 1995-09-29/1995-10-01 Notes : 7.6 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2012-01-28/CCYY-MM-DD Notes : EPN station ONS1 10402M007. : ONS1 is also included in the IGS MGEX project. 7.7 Instrumentation Type : SUPERCONDUCTING GRAVITY Status : PERMANENT Effective Dates : 2009-06-13/CCYY-MM-DD Notes : 7.8 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 1993-08-07/1993-08-10 Notes : 7.9 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 1998-06-13/1998-06-14 Notes : 7.10 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2003-06-14/2003-06-15 Notes : 7.11 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2003-07-15/2003-07-16 Notes : 7.12 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2004-10-25/2004-10-29 Notes : 7.13 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2005-10-12/2005-10-14 Notes : 7.14 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2006-10-08/2006-10-10 Notes : 7.15 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2007-03-20/2007-03-22 Notes : Observation performed by Lantmateriet. 7.16 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2007-05-09/2007-05-10 Notes : 7.17 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2009-06-30/2009-07-01 Notes : Observation performed by Lantmateriet. 7.18 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2009-07-02/2009-07-05 Notes : Observation performed by Lantmateriet. 7.19 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2010-06-30/2010-07-02 Notes : Observation performed by Lantmateriet. 7.20 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2010-09-20/2010-09-23 Notes : Observation performed by Lantmateriet. 7.21 Instrumentation Type : ABSOLUTE GRAVITY Status : PERMANENT Effective Dates : 2011-06-29/2011-07-01 Notes : Observation performed by Lantmateriet. 7.22 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2011-07-02/2011-07-04 Notes : Observation performed by Lantmateriet. 7.23 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2013-04-22/2013-04-24 Notes : Observation performed by Lantmateriet. 7.24 Instrumentation Type : ABSOLUTE GRAVITY Status : MOBILE Effective Dates : 2013-04-29/2013-05-03 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 8.1.1 Humidity Sensor Model : HMP35D HUMICAP H-sensor Manufacturer : VAISALA Serial Number : Data Sampling Interval : 1800 sec Accuracy (% rel h) : 2 Aspiration : Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 1997-04-01/CCYY-MM-DD Notes : 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 : Setra 361B Manufacturer : Setra Systems Serial Number : Data Sampling Interval : 1800 sec Accuracy : 0.5 hPa Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 1991-07-01/CCYY-MM-DD Notes : 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 : HMP35D pt-100 Manufacturer : VAISALA Serial Number : Data Sampling Interval : 1800 sec Accuracy : 0.1 deg C Aspiration : Height Diff to Ant : 0 m Calibration date : Effective Dates : 1997-04-01/CCYY-MM-DD Notes : 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) 8.4.1 Water Vapor Radiometer : Astrid Manufacturer : Onsala Space Observatory Serial Number : Distance to Antenna : 8 m Height Diff to Ant : 0 m Calibration date : Effective Dates : 1991-07-01/CCYY-MM-DD Notes : 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 : 1994-07-31/2013-07-04 Additional Information : A plate of microwave absorbing : material(Eccosorb) was mounted around the : antenna to reduce multipath. 9.2.2 Multipath Sources : MULTIPATH REDUCTION Effective Dates : 2013-07-04/CCYY-MM-DD Additional Information : The microwave absorbing plate surrounding the : antenna was exchanged due to ageing. The new : plate is of the same type as the previous. 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 10.1 Date : 2015-03-04/2015-03-04 Event : Troubleshooting was performed 8:30-10:30 : UTC,trying to find the cause of low data : quality.Moisture in and around the radome was : removed,contacts were examined and some other : receiversconnected to the ONSA site were : disconnected. 10.2 Date : 2015-03-12/2015-03-12 Event : Due to troubleshooting on station ONSA DOY : 0719-12 UTC, distributed data is : corrupt.Disabled one of three pre-amplifiers. 10.3 Date : 2015-05-22/2015-07-08 Event : Troubleshooting and repair of pre-amplifier : inantenna. Components in pre-amplifier have : beenreplaced. 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Onsala Space Observatory/Chalmers Preferred Abbreviation : OSO Mailing Address : Observatorievägen 90 : SE-439 92 Onsala : Sweden Primary Contact Contact Name : Jan Johansson Telephone (primary) : +46 31 772 55 58 Telephone (secondary) : +46 33 16 55 04 Fax : +46 33 12 50 38 E-mail : jan.johansson@sp.se Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : Lantmateriet, the Swedish mapping, cadastral and : land registration authority Preferred Abbreviation : LMV Mailing Address : oo oo : SE-801 82 Gavle : 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 : Peter Wiklund Telephone (primary) : +46 26 63 38 84 Telephone (secondary) : Fax : E-mail : peter.wiklund@lm.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 AOAD/M_B (Allen Osborne Design) ----- / + \ <-- 0.096 L2 | + | <-- 0.078 L1 +-----------------+-------------+------------------+ <-- 0.070 TCR | | | | | | | | | | +-----------------+------x------+------------------+ <-- 0.000 ARP | | +-------------+ <-- -0.011 || || <-- 0.351 --> ARP: Antenna Reference Point