HOFN Site Information Form International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Rudi Stoeger Date Prepared : 2002-06-14 Report Type : UPDATE If Update: Previous Site Log : hofn20010924.log Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : Hoefn / Iceland Four Character ID : HOFN Monument Inscription : CHIMNEY PILLAR NO. 1 IERS DOMES Number : 10204M002 CDP Number : Monument Description : PILLAR Height of the Monument : (m) Monument Foundation : CONCRETE FASTENED TO THE BEDROCK Foundation Depth : (m) Marker Description : STEEL REFERENCE POINT Date Installed : 1997-05-27T00:00Z Geologic Characteristic : BEDROCK Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : (multiple lines) 2. Site Location Information City or Town : Hoefn State or Province : Country : Iceland Tectonic Plate : Eurasian Approximate Position (ITRF) X coordinate (m) : 2679689.848 Y coordinate (m) : -727951.343 Z coordinate (m) : 5722788.898 Latitude (N is +) : +641602.20 Longitude (E is +) : -0151112.50 Elevation (m,ellips.) : 00082.5 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 3503A09374 Firmware Version : 7.12 Elevation Cutoff Setting : 0 Date Installed : 1997-05-27T00:00Z Date Removed : 1999-07-31T14:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 3503A09374 Firmware Version : 00729|00304|00333 Elevation Cutoff Setting : 0 Date Installed : 1999-07-31T14:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) Serial Number : (A5) Firmware Version : (A11) 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) 4. GNSS Antenna Information 4.1 Antenna Type : TRM22020.00+GP DOME Serial Number : 0220008914 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0550 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : DOME Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 Date Installed : 1997-05-27T00:00Z Date Removed : 2000-03-13T00:00Z Additional Information : TRIMBLE 24490-00 Prod Ass Ext Dome 4.2 Antenna Type : TRM22020.00+GP DOME Serial Number : 0220008914 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0554 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : DOME Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 Date Installed : 2000-03-13T00:00Z Date Removed : 2000-05-25T13:45Z Additional Information : TRIMBLE 24490-00 Prod Ass Ext Dome 4.3 Antenna Type : TRM22020.00+GP DOME Serial Number : 0220008914 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0550 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : DOME Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 Date Installed : 2000-05-25T13:45Z Date Removed : 2001-09-21T18:00Z Additional Information : TRIMBLE 24490-00 Prod Ass Ext Dome 4.4 Antenna Type : TRM29659.00 NONE Serial Number : 0220181800 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0510 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : RG214 Antenna Cable Length : 30 Date Installed : 2001-09-21T18:00Z 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) 5. Surveyed Local Ties 5.1 Tied Marker Name : VLBI PLATFORM Tied Marker Usage : VLBI Tied Marker CDP Number : 7635 Tied Marker DOMES Number : 10204M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : TRIANGULATION Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 5.2 Tied Marker Name : CHIMNEY PILLAR NO. 2 Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 10204M003 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : TRIANGULATION Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 5.3 Tied Marker Name : PRARE PILLAR Tied Marker Usage : PRARE Tied Marker CDP Number : Tied Marker DOMES Number : 10204M004 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : TRIANGULATION Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 5.4 Tied Marker Name : EUREF PILLAR Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 10204M005 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : TRIANGULATION Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 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) : dy (m) : dz (m) : Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : 1997-05-27/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) 7. Collocation Information 7.1 Instrumentation Type : VLBI Status : MOBILE Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : VLBI Observations 1992 7.2 Instrumentation Type : PRARE Status : PERMANENT Effective Dates : 1997-06-01/CCYY-MM-DD Notes : Statens Kartverk Norway : 7.3 Instrumentation Type : GPS Status : TEMPORARY Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : EUREF PILLAR for GPS Campigns : 1987, EUREF-NW 1990, ISNET 1993, : 1995 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) 8. Meteorological Instrumentation 8.1.1 Humidity Sensor Model : MP408A-T4-W4W Manufacturer : Rotronic Serial Number : Data Sampling Interval : 900 Accuracy (% rel h) : 1.5 Aspiration : CAPACITANCE PROBE Height Diff to Ant : 0 Calibration date : (CCYY-MM-DD) Effective Dates : 2001-09-22/CCYY-MM-DD Notes : 8.1.x Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy (% rel h) : (% rel h) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.2.1 Pressure Sensor Model : APS 9215 Manufacturer : L-TEC Leibenguth Serial Number : Data Sampling Interval : 900 Accuracy : 0.1 Height Diff to Ant : 3.26 Calibration date : (CCYY-MM-DD) Effective Dates : 2001-09-22/CCYY-MM-DD Notes : 8.2.x Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.3.1 Temp. Sensor Model : MP408A-T4-W4W Manufacturer : Rotronic Serial Number : Data Sampling Interval : 900 Accuracy : 0.3 Aspiration : PLATINUM PROBE Height Diff to Ant : 0 Calibration date : (CCYY-MM-DD) Effective Dates : 2001-09-22/CCYY-MM-DD Notes : 8.3.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.4.1 Water Vapor Radiometer : not available Manufacturer : Serial Number : Distance to Antenna : Height Diff to Ant : Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : 8.4.x Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : (m) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.5.1 Other Instrumentation : 8.5.x Other Instrumentation : 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degredations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.x 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.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Landmaelingar Islands : National Land Survey of Iceland Preferred Abbreviation : LMI 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 Secondary Contact Contact Name : Thorarinn Sigurdsson Telephone (primary) : 00354-4309000 Telephone (secondary) : Fax : 00354-4309090 E-mail : thorarinn@lmi.is Additional Information : 12. Responsible Agency (if different from 11.) Agency : Bundesamt fuer Kartographie : und Geodaesie Preferred Abbreviation : BKG Mailing Address : Bundesamt fuer Kartographie : und Geodaesie : Fundamentalstation Wettzell : Sackenrieder Strasse 25 : 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 : schueter@wettzell.ifag.de Secondary Contact Contact Name : Rudi Stoeger Telephone (primary) : (0049)-9941-603114 Telephone (secondary) : (0049)-9941-6030 Fax : (0049)-9941-603222 E-mail : stoeger@wettzell.ifag.de Additional Information : Klaus Roettcher : (0049)-9941-603115 : roettcher@wettzell.ifag.de : Uwe Hessels : (0049)-9941-603204 : hessels@wettzell.ifag.de 13. More Information Primary Data Center : BKG Secondary Data Center : URL for More Information : http://ifag.de 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 : (multiple lines) Antenna Graphics with Dimensions TRM22020.00+GP with Dome from 1997-05-27 until 2001-09-21 ----+---- <-- 0.0751 L1 / + \ <-- 0.0692 L2 ++----------------+-----------------+-----------------++ <-- 0.0591 TGP ++---------------+-------------------+----------------++ <-- 0.0556 BGP | | | | | | +------x------+ <-- 0.000 ARP=BPA <-- 0.467 --> NOTCHES <-- 0.483 --> EDGE TRM29659.00 without Dome from 2001-09-21 ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> 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