HELJ Site Information Form International GPS Service 0. Form Prepared by (full name) : Peter Franke : Matthias Groeschel Date Prepared : 2002-09-26 Report Type : UPDATE If Update: Previous Site Log : helj_20020515.log Modified/Added Sections : 2.0 1. Site Identification of the GNSS Monument Site Name : Helgoland Island / Germany Four Character ID : HELJ Monument Inscription : IERS DOMES Number : 14264M001 CDP Number : Monument Description : STEEL MAST Height of the Monument : 1,5 m Monument Foundation : Wall holder on building Foundation Depth : (m) Marker Description : PIVOT Date Installed : 1999-11-09 Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : Bedrock Condition : Fracture Spacing : none Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : The GPS System is installed in the harbour : at Helgoland Island near the tide gauge. : In addition and parallel an ASHTECH Z-XII3 : Four Character ID HELG, using the same : antenna on the survey marker on the : mast platform, DOMES number 14264M001, : operates since 1999-11-09. 2. Site Location Information City or Town : Helgoland Island State or Province : Schleswig Holstein Country : Germany Tectonic Plate : Eurasean Plate Approximate Position (ITRF) X coordinate (m) : 3706067.305 Y coordinate (m) : 513803.740 Z coordinate (m) : 5148174.375 Latitude (N is +) : +541028.1 Longitude (E is +) : +0075335.1 Elevation (m,ellips.) : 48.6 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : MT301205236 Firmware Version : EURO_3/2.1 JAN,03 Elevation Cutoff Setting : 5 deg Date Installed : 2001-11-20T12:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : 4. GNSS Antenna Information 4.1 Antenna Type : ASH700936D_M SNOW Serial Number : CR13728 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.065 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : Antenna Cable Length : (m) Date Installed : 1999-11-09T00:00Z Date Removed : CCYY-MM-DDThh:mmZ) Additional Information : Aerial connection by : high-frequency splitter. : Ashtech Choke Ring Antenna : P/N 700936 (D) with white : conicale dome SNOW. 5. Surveyed Local Ties 5.1 Tied Marker Name : HELG Tied Marker Usage : GPS Tied Marker CDP Number : (A4) Tied Marker DOMES Number : 14264M001 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 0.0 dy (m) : 0.0 dz (m) : 0.0 Accuracy (mm) : 0 mm Survey method : GPS PERMANENT Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : Notes : (multiple lines) 7. Collocation Information 7.1 Instrumentation Type : ASHTECH Z-XII3 GPS Status : PERMANENT Effective Dates : 1999-11-19/CCYY-MM-DD Notes : Four Character ID HELG. 8. Meteorological Instrumentation 8.1.1 Humidity Sensor Model : MP410-T4-W4W Manufacturer : ROTRONIC Serial Number : Data Sampling Interval : 900 sec Accuracy (% rel h) : +/- 1.5% rel h) Aspiration : NATURAL Height Diff to Ant : -0.5 m Calibration date : (CCYY-MM-DD) Effective Dates : 1999-11-09/CCYY-MM-DD Notes : (multiple lines) 8.2.1 Pressure Sensor Model : APS 9215 Manufacturer : L-TEC Leibeguth Serial Number : Data Sampling Interval : 900 sec Accuracy : +/- 0.1 hPa) Height Diff to Ant : -5.00 Calibration date : (CCYY-MM-DD) Effective Dates : 1999-11-09/CCYY-MM-DD Notes : (multiple lines) 8.3.1 Temp. Sensor Model : MP410-T4-W4W Manufacturer : ROTRONIC Serial Number : Data Sampling Interval : 900 sec Accuracy : +/- 0.3 deg C Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : 1999-11-09/CCYY-MM-DD Notes : (multiple lines) 8.4.1 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 : (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 : Bundesamt fuer Kartographie und Geodaesie : Department of Geodaesie Preferred Abbreviation : BKG Mailing Address : Bundesamt fuer Kartographie und Geodaesie : Department of Geodaesie : Richard Strauss Allee 11 : D 60598 Frankfurt / M. : Germany Primary Contact Contact Name : Peter Franke Telephone (primary) : (0049)-69-6333-279 Telephone (secondary) : (0049)-69-6333-1 Fax : (0049)-69-6333-425 E-mail : franke@ifag.de Secondary Contact Contact Name : see 12. Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Bundesamt fuer Kartographie und Geodaesie Preferred Abbreviation : BKG Mailing Address : Bundesamt fuer Kartographie und Geodaesie : Branch Leipzig : Karl Rothe Str. 10-14 : D 04105 Leipzig : Germany Primary Contact Contact Name : Mathias Groeschel Telephone (primary) : (0049)-341-5643-432 Telephone (secondary) : (0049)-341-5643-0 Fax : (0049)-341-5643-1921 E-mail : groeschel@leipzig.ifag.de Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 13. More Information Primary Data Center : Bundesamt fuer Kartographie und Geodaesie : Department of Geodaesie : Referat G2 : Richard Strauss Allee 11 : D 60598 Frankfurt / M. : Germany : http://igs.ifag.de Secondary Data Center : CDDIS URL for More Information : www.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 ASH700936D_M (with white conical Radome SNOW) ----- / + \ <-- 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