ZIMZ Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Heike Bock Date Prepared : 2005-08-19 Report Type : UPDATE If Update: Previous Site Log : zimz_20020613.log Modified/Added Sections : 3.4, 4.1 1. Site Identification of the GNSS Monument Site Name : Zimmerwald GPS97 Four Character ID : ZIMZ Monument Inscription : GPS97 IERS DOMES Number : 14001M005 CDP Number : Monument Description : STEEL MAST Height of the Monument : Monument Foundation : ROOF of the observatory Foundation Depth : Marker Description : Centering device Date Installed : 1997-01-01 Geologic Characteristic : CONGLOMERATE Bedrock Type : SEDIMENTARY Bedrock Condition : JOINTED Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Morraine 2. Site Location Information City or Town : Zimmerwald State or Province : Bern Country : Switzerland Tectonic Plate : Eurasian Plate Approximate Position (ITRF) X coordinate (m) : 4331292.816 Y coordinate (m) : 567545.190 Z coordinate (m) : 4633135.862 Latitude (N is +) : +465237.73 Longitude (E is +) : +0072754.52 Elevation (m,ellips.) : 953.9 Additional Information : ITRF2000, epoch 1997.0 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : ZX00108 Firmware Version : 0051ZT08 Elevation Cutoff Setting : 5 deg Date Installed : 1998-09-03 Date Removed : 1999-02-11 Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : ZX00108 Firmware Version : 0060ZT13 Elevation Cutoff Setting : 5 deg Date Installed : 1999-02-12 Date Removed : 1999-08-17 Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : ZX00108 Firmware Version : 0064ZT15 Elevation Cutoff Setting : 5 deg Date Installed : 1999-08-18 Date Removed : 2002-01-07 Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : ZX00108 Firmware Version : 0065ZT15 Elevation Cutoff Setting : 5 deg Date Installed : 2002-01-08 Date Removed : 2005-08-17T07:00Z Temperature Stabiliz. : none Additional Information : 4. GNSS Antenna Information 4.1 Antenna Type : ASH701073.1 SNOW Serial Number : CRG0101 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : Approx. 40 m Date Installed : 1998-09-03 Date Removed : 2005-08-17T07:00Z Additional Information : Original Ashtech radome. Site permanently : decommissioned on 17 Aug 2005; see : IGSMail #5191 5. Surveyed Local Ties 5.1 Tied Marker Name : ZIMLAT Tied Marker Usage : SLR Tied Marker CDP Number : 7810 Tied Marker DOMES Number : 14001S007 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -9.145 dy (m) : +4.556 dz (m) : +4.398 Accuracy (mm) : 2 Survey method : Date Measured : 1998-07-06 Additional Information : 5.2 Tied Marker Name : ZIMM Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 14001M004 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : +4.361 dy (m) : +10.542 dz (m) : -2.022 Accuracy (mm) : 2 Survey method : Date Measured : 1998-07-06 Additional Information : 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : Notes : 7. Collocation Information 7.1 Instrumentation Type : SLR Status : PERMANENT Effective Dates : 1976-01-01/CCYY-MM-DD Notes : New telescope since 1996 (see 5.1) : Exact date in 1976 not known 7.2 Instrumentation Type : Earth tide gravimeter Status : PERMANENT Effective Dates : 1995-01-01/CCYY-MM-DD Notes : Swiss Federal Institute of Technology Geodesy and Geodynamics Lab (GGL) ETH-Hoenggerberg CH-8093 Zurich Exact date in 1995 not known 7.3 Instrumentation Type : GPS Status : PERMANENT Effective Dates : 1993-05-01/CCYY-MM-DD Notes : Official IGS site (see 5.2) ZIMM 14001M004 TRIMBLE 4000SSI See IGS site log file zimm*.log 7.4 Instrumentation Type : GPS/GLONASS Status : PERMANENT Effective Dates : 1999-02-03/CCYY-MM-DD Notes : Official IGLOS site ZIMJ 14001M006 JPS LEGACY See IGLOS site log file zimj*.log 8. Meteorological Instrumentation 8.1.1 Humidity Sensor Model : Hygromer C94 MP409A Manufacturer : Serial Number : Data Sampling Interval : 1800 sec Accuracy (% rel h) : 2 Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : Effective Dates : Notes : 8.2.1 Pressure Sensor Model : Paroscientific 740-16B Manufacturer : Serial Number : Data Sampling Interval : 1800 sec Accuracy : < 0.3 hPa Height Diff to Ant : 4 m Calibration date : Effective Dates : Notes : 8.3.1 Temp. Sensor Model : Rotronic PT100 MP409A Manufacturer : Serial Number : Data Sampling Interval : 1800 sec Accuracy : 0.2 deg C Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : Effective Dates : Notes : 8.4.1 Water Vapor Radiometer : Not available Manufacturer : Serial Number : Distance to Antenna : Height Diff to Ant : Calibration date : Effective Dates : Notes : 8.5.1 Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 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 : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.1 Signal Obstructions : (TREES/BUILDLINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 10. Local Episodic Effects Possibly Affecting Data Quality 10.1 Date : (CCYY-MM-DDThh:mmZ) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Swiss Federal Office of Topographie Preferred Abbreviation : swisstopo Mailing Address : Seftigenstrasse 364, CH-3084 Wabern Primary Contact Contact Name : Daniel Ineichen Telephone (primary) : +41 31 963 21 51 Telephone (secondary) : +41 31 963 21 11 Fax : +41 31 963 24 59 E-mail : daniel.ineichen@swisstopo.ch Secondary Contact Contact Name : Heike Bock Telephone (primary) : +41 31 631 86 02 Telephone (secondary) : +41 31 631 85 91 Fax : +41 31 631 38 69 E-mail : heike.bock@aiub.unibe.ch Additional Information : 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 (Regional IGS Data Center) Secondary Data Center : CDDIS (Global IGS Data Center) URL for More Information : http://www.swisstopo.ch Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : (Y or URL) Site Pictures : (Y or URL) Additional Information : Antenna Graphics with Dimensions Ashtech: ASH701073.1 SNOW . --- . <-- 0.420 . . / \ . . / \ . . / \ . . / \ . . / \ . . / \ . . / \ . . / \ . . / \ . .---. . <-- 0.140 / \ + / + \ + <-- 0.128 L2 . | + | . <-- 0.110 L1 |+-------------------------------------------------+| <-- 0.101 TCR .| |. || || .| |. +| |+ +-+-------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+-------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.120 --> Preamp <-- 0.360 --> Ch.Ring <-- 0.374 --> Dome <-- 0.380 --> Gr.Plate ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier TOP: Top of Pole