ONSA Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Mats Westberg Date Prepared : 01-FEB-1999 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : ONSALA Four Character ID : ONSA Monument Inscription : ONSALA 301 IERS DOMES Number : 10402M004 CDP Number : (XXXX) Monument Description : PILLAR Date Installed : 01-JUL-1991 hh:mm UT Geologic Characteristic : BEDROCK Bedrock Type : GABBRO Bedrock Condition : FRESH Fracture Spacing : over 200 cm Notes : (multiple lines) Additional Information : (multiple lines) 2. Site Location Information City or Town : ONSALA State or Province : Country : SWEDEN Tectonic Plate : EURA Approximate Position X coordinate (m) : 3370658.6942 Y coordinate (m) : 711877.0150 Z coordinate (m) : 5349786.8637 Latitude (deg) : 57.3953 Longitude (deg) : 11.9255 Elevation (m) : 46.5789 Additional Information : Swedish westcoast, near Gothenburg 3. GPS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Serial Number : 199 Firmware Version : 2.8 Date Installed : 01-JUL-1993 hh:mm UT Date Removed : 01-FEB-1999 hh:mm UT Additional Information : (multiple lines) 3.2 Receiver Type : ASHTECH Z -XII3 Serial Number : 834 Firmware Version : 1F60 Date Installed : 02-FEB-1999 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 3.x Receiver Type : Serial Number : Firmware Version : Date Installed : (dd-MMM-yyyy hh:mm UT) Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 4. GPS Antenna Information 4.1 Antenna Type : DORNE MARGOLIN B Serial Number : 20 Antenna Height (m) : 0.995 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Conical Date Installed : 01-JUL-1991 hh:mm UT Date Removed : 01-FEB-1999 hh:mm UT Additional Information : (multiple lines) 4.2 Antenna Type : DORNE MARGOLIN B Serial Number : 20 Antenna Height (m) : 0.995 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Spherical Date Installed : 02-FEB-1999 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 4.x Antenna Type : Serial Number : Antenna Height (m) : (m) Antenna Reference Point : (ARP/BCR/BPA) Degree Offset from North : Antenna Radome Type : Date Installed : (dd-MMM-yyyy hh:mm UT) Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 5. Local Site Ties 5.1 Monument Name : ONSALA 131 Site Ref CDP Number : 7213 Site Ref Domes Number : 10402S002 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : -52.631 dy (m) : 40.464 dz (m) : 43.865 Accuracy (mm) : 1 Date Measured : 15-APR-1993 hh:mm UT 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 Monument Name : ONSALA 501 Site Ref CDP Number : 7211 Site Ref Domes Number : 10402M006 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : -16.704 dy (m) : -10.902 dz (m) : 9.290 Accuracy (mm) : 1 Date Measured : 15-APR-1993 hh:mm UT 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). 6. Frequency Standard 6.1 Standard Type : H-MASER Frequency : Effective Dates : 01-JUL-1991 Notes : (multiple lines) 6.x Standard Type : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM) Frequency : Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 7. Collocation Information 7.1 Instrumentation Type : VLBI Status : PERMANENT Effective Dates : 01-JAN-1980 - now Notes : Also Mobile VLBI, Gravim 7.2 Instrumentation Type : GLONASS/GPS Status : PERMANENT Effective Dates : 21-OCT-1998 - now Notes : Same pillar and antenna as the GPS station 8. Meteorological Instrumentation 8.1 Humidity Sensor Model : HMP35D HUMICAP H-sensor Manufacturer : VAISALA Data Frequency : 30 min Accuracy (% rel h) : 2 % rel h Effective Dates : 01-APR-1997 - now Notes : (multiple lines) 8.2 Pressure Sensor Model : Setra 361B Manufacturer : Setra Systems Data Frequency : 30 min Accuracy (mbar) : 0.5 mbar Height Diff to GPS (m) : 0 m Effective Dates : 01-JUL-1991 - now Notes : (multiple lines) 8.3 Temperature Sensor Model : HMP35D pt-100 Manufacturer : VAISALA Data Frequency : 30 min Accuracy (deg C) : 0.1 deg C Effective Dates : 01-APR-1997 - now Notes : (multiple lines) 8.4 Water Vapor Radiometer : Astrid Manufacturer : Onsala Space Observatory Distance to GPS (m) : 8 m Elev Diff to GPS (m) : 0 m Effective Dates : 01-JUL-1991 - now Notes : (multiple lines) 8.5 Other Instrumentation : (multiple lines) 9. On-Site, Point of Contact Agency Information Agency : National Land Survey Of Sweden Mailing Address : S-801 82 Gavle, Sweden Primary Contact Contact Name : SWEPOS Control centre Telephone (primary) : +46 26 63 37 53 Telephone (secondary) : +46 26 63 37 38 Fax : +46 26 65 32 75 E-mail : swepos@lm.se Secondary Contact Contact Name : Lars Eriksson Telephone (primary) : +46 31 772 55 67 Fax : +46 31 772 55 90 E-mail (primary) : geo@oso.chalmers.se E-mail (secondary) : leson@oso.chalmers.se Additional Information : (multiple lines) 10. Responsible Agency (if different from 9.) Agency : National Land Survey Of Sweden Mailing Address : S-801 82 Gavle SWEDEN Primary Contact Contact Name : Bo Jonsson Telephone (primary) : +46 26 63 37 38 Telephone (secondary) : +46 70 534 18 84 Fax : +46 26 61 06 76 E-mail : bo.jonsson@lm.se Secondary Contact Contact Name : Gunnar Elgered Telephone (primary) : +46 31 772 55 65 Telephone (secondary) : +46 31 772 16 10 Fax : +46 31 772 55 90 E-mail (primary) : geo@oso.chalmers.se E-mail (secondary) : kge@oso.chalmers.se Additional Information : (multiple lines) 11. More Information URL for More Information : Hardcopy on File Site Map : X Site Diagram : X Horizon Mask : X Monument Description : X Site Pictures : X Additional Information : (multiple lines) Antenna Graphics with Dimensions ROGUE: DORNE MARGOLIN 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 L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering