ZIMM Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Urs Wild (Federal Office of Topography) Date Prepared : 02-JUL-1999 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : Zimmerwald L+T 88 Four Character ID : ZIMM Monument Inscription : IERS DOMES Number : 14001M004 CDP Number : Date Installed : Spring 1988 Geologic Characteristic : CONGLOMERATE Bedrock Type : SEDIMENTARY Bedrock Condition : JOINTED Fracture Spacing : Notes : Morraine Additional Information : 9m steel mast 2. Site Location Information City or Town : Zimmerwald State or Province : Country : Switzerland Tectonic Plate : Eurasian Plate Approximate Position X coordinate (m) : 4'331'297.3 (m) Y coordinate (m) : 567'555.6 (m) Z coordinate (m) : 4'633'133.7 (m) Latitude (deg) : 46.8771 N Longitude (deg) : 7.4653 E Elevation (m) : 956.7 (m) Additional Information : 3. GPS Receiver Information 3.1 Receiver Type : TRIMBLE 4000SSE Serial Number : 3310A02691 Firmware Version : 6.12 Date Installed : 01-MAY-1993 Date Removed : Additional Information : 3.2 Receiver Type : TRIMBLE 4000SSI Serial Number : 3310A02691 Firmware Version : 7.25 Date Installed : 06-AUG-1997 Date Removed : Additional Information : 4. GPS Antenna Information 4.1 Antenna Type : 4000ST L1/L2 GEOD Serial Number : 3311A67905 Antenna Height (m) : 0.000 Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : No radome Date Installed : 01-MAY-1993 Date Removed : 06-NOV-1998 Additional Information : 4.2 Antenna Type : DORNE MARGOLIN TRIM Serial Number : 99390 Antenna Height (m) : 0.000 Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : No radome Date Installed : 06-NOV-1998 Date Removed : Additional Information : 4.3 Antenna Type : TRM29659.00 Serial Number : 99390 Antenna Height (m) : 0.000 Antenna Reference Point : BPA Degree Offset from North : 0 Antenna Radome Type : No radome Date Installed : 02-JUL-1999 Date Removed : Additional Information : 5. Local Site Ties 5.1 Monument Name : Laser (7810) Site Ref CDP Number : 7810 Site Ref Domes Number : 14001S001 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : -13.680 dy (m) : -6.012 dz (m) : 6.242 Accuracy (mm) : 1 Date Measured : 25-JAN-1990 Additional Information : The old laser system (14001S001) was removed : end of April 1995. The new telescope is : within a few millimeters in the same place, : its horizontal axis is about 25 cm higher. : 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 : ZIMLAT Site Ref CDP Number : 7810 Site Ref Domes Number : 140010S07 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : -13.506 dy (m) : -5.986 dz (m) : 6.420 Accuracy (mm) : 1 Date Measured : 04-APR-1996 Additional Information : 6. Frequency Standard 6.1 Standard Type : INTERNAL Frequency : Effective Dates : Notes : 7. Collocation Information 7.1 Instrumentation Type : SLR Status : PERMANENT Effective Dates : 1976 - Notes : New telescope since 1996 (see 5.2) 7.2 Instrumentation Type : Earth tide gravimeter Status : PERMANENT Effective Dates : 1995 - Notes : Swiss Federal Institute of Technology : Geodesy and Geodynamics Lab (GGL) : ETH-H=D3D94nggerberg : CH-8093 Zurich 8. Meteorological Instrumentation 8.1 Humidity Sensor Model : Hygromer C94 MP409A Manufacturer : Data Frequency : 30 (min) Accuracy (% rel h) : 2 (% rel h) Effective Dates : Notes : 8.2 Pressure Sensor Model : PAROSCIENTIFIC 740-16B Manufacturer : Data Frequency : 30 (min) Accuracy (mbar) : < 0.3 (mbar) Height Diff to GPS (m) : 7 (m) Effective Dates : Notes : 8.3 Temperature Sensor Model : Rotronic PT100 MP409A Manufacturer : Data Frequency : 30 (min) Accuracy (deg C) : 0.2 (deg C) Effective Dates : Notes : 8.4 Water Vapor Radiometer : Not available Manufacturer : Distance to GPS (m) : Elev Diff to GPS (m) : Effective Dates : Notes : 8.5 Other Instrumentation : 9. On-Site, Point of Contact Agency Information Agency : Federal Office of Topography Mailing Address : Seftigenstrasse 264, CH-3084 Wabern Primary Contact Contact Name : Urs Wild Telephone (primary) : +41 31 963 22 32 Telephone (secondary) : 22 11 Fax : 24 59 E-mail : urs.wild@lt.admin.ch Secondary Contact Contact Name : Adrian Wiget Telephone (primary) : +41 31 963 24 69 Telephone (secondary) : 22 11 Fax : 24 59 E-mail : adrian.wiget@lt.admin.ch Additional Information : 10. Responsible Agency (if different from 9.) Agency : AIUB Mailing Address : Sidlerstr. 5, CH-3012 Bern Primary Contact Contact Name : Werner Gurtner Telephone (primary) : +41 31 631 85 99 Telephone (secondary) : Fax : +41 31 631 38 69 E-mail : gurtner@aiub.unibe.ch Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 11. More Information URL for More Information : http://www.swisstopo.ch Hardcopy on File Site Map : Site Diagram : Horizon Mask : No obstruction above 0 degrees Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions TRIMBLE: 4000ST L1/L2 GEOD ----+---- <-- 0.070 L1 / + \ <-- 0.068 L2 ++----------------+-----------------+-----------------++ <-- 0.063 TGP ++---------------+-------------------+----------------++ <-- 0.060 BGP | | | | | | +------x------+ <-- 0.000 ARP=BPA <-- 0.140 --> BPA <-- 0.155 --> TPA <-- 0.467 --> NOTCHES <-- 0.483 --> EDGE ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier Trimble: DORNE MARGOLIN TRIM ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | | | +------x------+ <-- 0.000 ARP <-- 0.381 --> <-- 0.391 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier