HOFN Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Dr. Wolfgang Schlueter : Klaus Roettcher : Uwe Hessels : Rudi Stoeger Date Prepared : 24-SEP-2001 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : Hoefn / Iceland Four Character ID : HOFN Monument Inscription : Bolt / Steel Plate / Chimney Pillar IERS DOMES Number : 10204M002 CDP Number : Date Installed : 27-MAY-1997 00:00 UT Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Notes : Additional Information : 2. Site Location Information City or Town : Hoefn State or Province : Country : Iceland Tectonic Plate : Eurasian Approximate Position X coordinate (m) : 2679689.848 Y coordinate (m) : -727951.343 Z coordinate (m) : 5722788.898 Latitude (deg) : 64.2672778 N Longitude (deg) : 15.1979167 W Elevation (m) : 82.5 Additional Information : 3. GPS Receiver Information 3.1 Receiver Type : TRIMBLE 4000SSI Serial Number : 3503A09374 Firmware Version : 7.12 Date Installed : 27-MAY-1997 00:00 UT Date Removed : 31-JUL-1999 14:00 UT Additional Information : 3.2 Receiver Type : TRIMBLE 4000SSI Serial Number : 3503A09374 Firmware Version : 7.29 Date Installed : 31-JUL-1999 14:00 UT Date Removed : dd-MMM-yyyy hh:mm UT Additional Information : 4. GPS Antenna Information 4.1 Antenna Type : TRM22020.00+GP DOME Serial Number : 0220008914 Antenna Height (m) : 0.055 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : DOME Date Installed : 27-MAY-1997 00:00 UT Date Removed : 13-MAR-2000 00:00 UT Additional Information : TRIMBLE 24490-00 Prod Ass Ext Dome 4.2 Antenna Type : TRM22020.00+GP DOME Serial Number : 0220008914 Antenna Height (m) : 0.0554 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : DOME Date Installed : 13-MAR-2000 00:00 UT Date Removed : 25-MAY-2000 13:45 UT Additional Information : TRIMBLE 24490-00 Prod Ass Ext Dome 4.3 Antenna Type : TRM22020.00+GP DOME Serial Number : 0220008914 Antenna Height (m) : 0.055 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : DOME Date Installed : 25-MAY-2000 13:45 UT Date Removed : 21-SEP-2001 18:00 UT Additional Information : TRIMBLE 24490-00 Prod Ass Ext Dome 4.4 Antenna Type : TRM29659.00 NONE Serial Number : 0220181800 Antenna Height (m) : 0.0510 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : NONE Date Installed : 21-SEP-2001 18:00 UT Date Removed : dd-MMM-yyyy hh:mm UT Additional Information : 5. Local Site Ties 5.1 Monument Name : VLBI Site Ref CDP Number : 7635 Site Ref Domes Number : 10204M001 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Date Measured : Additional Information : 5.2 Monument Name : Chimney pillar steel plate Site Ref CDP Number : Site Ref Domes Number : 10204M003 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Date Measured : Additional Information : 5.3 Monument Name : PRARE Site Ref CDP Number : Site Ref Domes Number : 10204M004 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Date Measured : Additional Information : 5.4 Monument Name : EUREF pillar Site Ref CDP Number : Site Ref Domes Number : 10204M005 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Date Measured : Additional information : EUREF monument concret : pillar brass marker 6. Frequency Standard 6.1 Standard Type : INTERNAL Frequency : Effective Dates : 27-MAY-1997 - now Notes : 7. Collocation Information 7.1 Instrumentation Type : VLBI Status : MOBILE Effective Dates : 1992 Notes : 7.2 Instrumentation Type : PRARE Status : PERMANENT Effective Dates : June 1997 - now Notes : Statens Kartverk Norway 7.3 Instrumentation Type : EUREF pillar Status : Effective dates : EUREF GPS campaign 1993 : EUVN GPS campaign May 1997 Notes : 8. Meteorological Instrumentation 8.1 Humidity Sensor Model : MP408A-T4-W4W Manufacturer : Rotronic Data Frequency : 15 min Accuracy (% rel h) : +/- 1.5 % rel h Effective Dates : 22-SEP-2001 - now Notes : 8.2 Pressure Sensor Model : APS 9215 Manufacturer : L-TEC Leibenguth Data Frequency : 15 min Accuracy (mbar) : 0.1 mbar Height Diff to GPS (m) : 3.26 m Effective Dates : 22-SEP-2001 - now Notes : 8.3 Temperature Sensor Model : MP408A-T4-W4W Manufacturer : Rotronic Data Frequency : 15 min Accuracy (deg C) : 0.3 deg C Effective Dates : 22-SEP-2001 - now 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 : Landmaelingar Islands : National Land Survey of Iceland Mailing Address : Stillholti 14 - 16 : IS-300 Akranes : Iceland Primary Contact Contact Name : Markus Rennen Telephone (primary) : 00354-4309040 Telephone (secondary) : 00354-4309000 Fax : 00354-4309090 E-mail : markus@lmi.is Contact Name : Thorarinn Sigurdsson Telephone (primary) : 00354-4309000 Telephone (secondary) : Fax : 00354-4309090 E-mail : thorarinn@lmi.is Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 10. Responsible Agency (if different from 9.) Agency : Bundesamt fuer Kartographie : und Geodaesie : Fundamentalstation Wettzell Mailing Adress : Bundesamt fuer Kartographie : und Geodaesie : Fundamentalstation Wettzell : D-93444 Koetzting : Germany Primary Contact Contact Name : Dr. Wolfgang Schlueter Telephone (primary) : (0049)-9941-603107 Telephone (secondary) : (0049)-9941-6030 Fax : (0049)-9941-603222 E-mail : schlueter@wettzell.ifag.de Contact Name : Klaus Roettcher Telephone (primary) : (0049)-9941-603115 Telephone (secondary) : (0049)-9941-6030 Fax : (0049)-9941-603222 E-mail : roettcher@wettzell.ifag.de Contact Name : Uwe Hessels Telephone (primary) : (0049)-9941-603204 Telephone (secondary) : (0049)-9941-6030 Fax : (0049)-9941-603222 E-mail : hessels@wettzell.ifag.de Contact Name : Rudi Stoeger Telephone (primary) : (0049)-9941-603114 Telephone (secondary) : (0049)-9941-6030 Fax : (0049)-9941-603222 E-mail : stoeger@wettzell.ifag.de Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 11. More Information URL for More Information : www.wettzell.ifag.de Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions Prior 21-SEP-2001: TRM22020.00+GP with DOME <-- 0.0751 L1 ----+---- <-- 0.0692 L2 / + \ ++----------------+-----------------+-----------------++ <-- 0.0591 TGP ++---------------+-------------------+----------------++ <-- 0.0556 BGP | | | | | | +------x------+ <-- 0.0000 BPA= ARP <-- 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 BPA: Bottom of Preamplifier After 21-SEP-2001: Trimble: TRM29659.00 NONE (Trimble: DORNE MARGOLIN TRIM) ----- / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +--------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+--------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3810 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering BPA: Bottom of Preamplifier