VIS0 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) : Lars Jamtnas Date Prepared : 2008-05-15 Report Type : UPDATE If Update: Previous Site Log : vis0_20071115.log Modified/Added Sections : 3.8, 3.9 1. Site Identification of the GNSS Monument Site Name : Visby Four Character ID : VIS0 Monument Inscription : Visby SWEPOS 1993 IERS DOMES Number : 10423M001 CDP Number : Monument Description : PILLAR Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1993-08-01T00:00Z 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). : Former VS0G. 2. Site Location Information City or Town : Visby State or Province : Country : Sweden Tectonic Plate : Eurasian Approximate Position (ITRF) X coordinate (m) : 3246470.5614 Y coordinate (m) : 1077900.3132 Z coordinate (m) : 5365277.9025 Latitude (N is +) : +573913.92 Longitude (E is +) : +0182202.32 Elevation (m,ellips.) : 00079.8 Additional Information : SWEREF 99 (Swedish realisation of ETRS89). 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH GG24C Satellite System : GPS+GLONASS Serial Number : GD31550 Firmware Version : GG00 Elevation Cutoff Setting : Date Installed : 1998-08-01 Date Removed : 1998-12-04 Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : ASHTECH GG24C Satellite System : GPS+GLONASS Serial Number : GD31150 Firmware Version : GF00 Elevation Cutoff Setting : Date Installed : 1998-12-04 Date Removed : 1999-11-11 Temperature Stabiliz. : Additional Information : See section 10.1 3.3 Receiver Type : ASHTECH GG24C Satellite System : GPS+GLONASS Serial Number : GD31550 Firmware version : GH12 Elevation Cutoff Setting : 5 Date Installed : 1999-11-11 Date Removed : 2002-03-15 Temperature Stabiliz. : Additional Information : See section 10.2 3.4 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : ZX00114 Firmware Version : 0065 Elevation Cutoff Setting : 5 Date Installed : 2002-03-15 Date Removed : 2003-08-19 Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : JPS E_GGD Satellite System : GPS+GLONASS Serial Number : AE5WWG82EWW Firmware Version : 2.2 Apr,05,2002 p2 Elevation Cutoff Setting : 5 Date Installed : 2003-08-19 Date Removed : 2004-07-21T10:45Z Temperature Stabiliz. : 22-28 degrees C Additional Information : 3.6 Receiver Type : JPS E_GGD Satellite System : GPS+GLONASS Serial Number : AE5WWG82EWW Firmware Version : 2.3 Apr,28,2004 p4 Elevation Cutoff Setting : 5 Date Installed : 2004-07-21T10:45Z Date Removed : 2007-05-22T14:50Z Temperature Stabiliz. : 22-28 degrees C Additional Information : Firmware upgrade. 3.7 Receiver Type : JPS EGGDT Satellite System : GPS+GLONASS Serial Number : 8R80VL8HO1S Firmware Version : 2.5 Jun,22,2005 p1 Elevation Cutoff Setting : 5 Date Installed : 2007-05-22T16:55Z Date Removed : 2007-11-14T13:00Z Temperature Stabiliz. : 22-28 degrees C Additional Information : Firmware upgrade. 3.8 Receiver Type : JPS EGGDT Satellite System : GPS+GLONASS Serial Number : 8R80VL8HO1S Firmware Version : 2.6.0 Apr,18,2007 Elevation Cutoff Setting : 5 Date Installed : 2007-11-14T13:00Z Date Removed : 2008-05-15T07:20Z Temperature Stabiliz. : 22-28 degrees C Additional Information : Firmware upgrade 3.9 Receiver Type : JPS EGGDT Satellite System : GPS+GLONASS Serial Number : 8R80VL8HO1S Firmware Version : 2.6.1 Jan,10,2008 Elevation Cutoff Setting : 5 Date Installed : 2008-05-15T07:30Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : 22-28 degrees C Additional Information : Firmware upgrade 3.x Receiver Type : Satellite System : (GPS/GLONASS/GPS+GLONASS) Serial Number : Firmware Version : 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) : (multiple lines) 4. GNSS Antenna Information 4.1 Antenna Type : AOAD/M_T Serial Number : 253 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0710 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : DUTD Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1993-08-01 Date Removed : 1995-06-14 Additional Information : 4.2 Antenna Type : AOAD/M_T Serial Number : 253 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0710 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : DOME Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1995-06-14 Date Removed : 1996-06-25 Additional Information : 4.3 Antenna Type : AOAD/M_T Serial Number : 253 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0710 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-06-25 Date Removed : 1996-11-08 Additional Information : 4.4 Antenna Type : AOAD/M_T Serial Number : 253 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0710 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : OSOD Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-11-08 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) : (multiple lines) 5. Surveyed Local Ties 5.1 Tied Marker Name : Tied Marker Usage : Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : Same antenna/pillar as VIS0 (EUREF) 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 : 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : 1998-09-01/2002-03-15 Notes : 6.2 Standard Type : RUBIDIUM Input Frequency : 10 MHz Effective Dates : 2002-03-15/CCYY-MM-DD Notes : 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) : (multiple lines) 7. Collocation Information 7.1 Instrumentation Type : GPS Status : PERMANENT Effective Dates : 1993-08-01/2003-08-19 Notes : GPS/GLONASS site VS0G and GPS site VIS0 were : merged into site VIS0, equipped with a : GPS/GLONASS receiver. 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) : (multiple lines) 8. Meteorological Instrumentation 8.1.1 Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : Accuracy (% rel h) : Aspiration : Height Diff to Ant : Calibration date : Effective Dates : Notes : 8.2.1 Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : Accuracy : Height Diff to Ant : Calibration date : Effective Dates : Notes : 8.3.1 Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : Accuracy : Aspiration : Height Diff to Ant : Calibration date : Effective Dates : Notes : 8.4.1 Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : Height Diff to Ant : Calibration date : Effective Dates : Notes : : 8.5.1 Other Instrumentation : : 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.1 Radio Interferences : Observed Degradations : Effective Dates : Additional Information : 9.2.1 Multipath Sources : Effective Dates : Additional Information : 9.3.1 Signal Obstructions : Effective Dates : Additional Information : 10. Local Episodic Effects Possibly Affecting Data Quality 10.1 Date : 1999-08-30 Event : Firmware upgrade (GF00 -> GJ00) 10.2 Date : 2000-11-10 Event : Firmware upgrade (GH12 -> GM00) 11. On-Site, Point of Contact Agency Information Agency : National Land Survey : (Lantmaeteriverket) Preferred Abbreviation : LMV Mailing Address : S-801 82 Gaevle : Sweden Primary Contact Contact Name : SWEPOS Control Centre Telephone (primary) : +46 26 633753 Telephone (secondary) : Fax : +46 26 654275 E-mail : swepos@lm.se Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : : Preferred Abbreviation : Mailing Address : : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : BKGI Secondary Data Center : OLG URL for More Information : Hardcopy on File Site Map : Y Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions AOAD/M_T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | | | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 -->