NYAL00NOR Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : asmund.skjaeveland@kartverket.no Date Prepared : 2024-10-18 Report Type : UPDATE If Update: Previous Site Log : nyal00nor_20210927.log Modified/Added Sections : 11 1. Site Identification of the GNSS Monument Site Name : Ny-Alesund Four Character ID : NYAL Monument Inscription : None IERS DOMES Number : 10317M001 CDP Number : (A4) Monument Description : STEEL MAST Height of the Monument : 5 m Monument Foundation : CONCRETE BLOCK Foundation Depth : 2 m Marker Description : BRASS NAIL Date Installed : 1993-01-01 Geologic Characteristic : PERMAFROST/MORAINE Bedrock Type : SEDIMENTARY Bedrock Condition : WEATHERED Fracture Spacing : over 200 cm Fault zones nearby : YES Distance/activity : Under investigation Additional Information : Investigations concludes that the : reinforced concrete carrying the steel tower, : most likely, is not well fixed to the solid : bedrock. It is assumed that there might be a : layer of frozen gravel separating the solid : bedrock and the concrete. : Antenna mounted in steel tower : Exact date in Jan 1993 not known 2. Site Location Information City or Town : Ny-Alesund State or Province : Svalbard Country : Norway Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 1202431.000 Y coordinate (m) : 252627.000 Z coordinate (m) : 6237768.000 Latitude (N is +) : +785546.49 Longitude (E is +) : +0115154.34 Elevation (m,ellips.) : 79.0 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8 Satellite System : GPS Serial Number : R106/010/014 Firmware Version : Conan Release 4 4/12/94 Elevation Cutoff Setting : 0 deg Date Installed : 1993-01-01 Date Removed : 1999-08-13 Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : This receiver observed in : parallel with a TorboRogue SNR-12 RM in station : NYA1. Exact date in 1993 not known. 3.2 Receiver Type : AOA BENCHMARK ACT Satellite System : GPS Serial Number : 2020 Firmware Version : 3.3.32.2 Elevation Cutoff Setting : 1 deg Date Installed : 1999-08-27T00:00Z Date Removed : 2009-05-12T12:10Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : This receiver will continue to observe in : parallel with NYA1. 3.3 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4439239123 Firmware Version : 1.1-5 Elevation Cutoff Setting : 0 deg Date Installed : 2009-05-12T12:40Z Date Removed : 2017-03-22T12:10Z Temperature Stabiliz. : (deg C) +/- (deg C) Additional Information : This receiver will continue to observe in : parallel with NYA1. 3.4 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4439239123 Firmware Version : 1.3-2 Elevation Cutoff Setting : 0 deg Date Installed : 2017-03-22T12:10Z Date Removed : 2019-10-08T07:36Z Temperature Stabiliz. : 20.0 +/- 2.0 Additional Information : (multiple lines) 3.5 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS Serial Number : 5504R50012 Firmware Version : 5.42 Elevation Cutoff Setting : 0 deg Date Installed : 2019-10-08T07:36Z Date Removed : 2019-10-31T16:33Z Temperature Stabiliz. : 20.0 +/- 2.0 Additional Information : (multiple lines) 3.6 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS Serial Number : 5504R50012 Firmware Version : 5.43 Elevation Cutoff Setting : 0 deg Date Installed : 2019-10-31T16:33Z Date Removed : 2020-01-30T20:30Z Temperature Stabiliz. : 20.0 +/- 2.0 Additional Information : (multiple lines) 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS Serial Number : 5504R50012 Firmware Version : 5.44 Elevation Cutoff Setting : 0 deg Date Installed : 2020-01-30T20:30Z Date Removed : 2021-09-24T09:37Z Temperature Stabiliz. : 20.0 +/- 2.0 Additional Information : (multiple lines) 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 5504R50012 Firmware Version : 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2021-09-24T09:37Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : 20.0 +/- 2.0 Additional Information : (multiple lines) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS) Serial Number : (A20, but note the first A5 is used in SINEX) 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 : AOAD/M_B DOME Serial Number : R106 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 5.2160 Marker->ARP North Ecc(m) : 0.0040 Marker->ARP East Ecc(m) : -0.0010 Alignment from True N : 0 deg Antenna Radome Type : DOME Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1993-01-01T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : The antenna was connected to : receiver 3.1 (ROGUE SNR-8). : Antenna Radome Type 'Danny Van Loon' : Exact date in Jan 1993 not known 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 : Q Tied Marker Usage : LOCAL CONTROL/FOOTPRINT Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -88.630 m dy (m) : -238.976 m dz (m) : 21.191 m Accuracy (mm) : 7 mm Survey method : GPS CAMPAIGN/TRILATERATION/TRIANGULATION Date Measured : 1991-01-01 Additional Information : Exact date in Jan 1991 not known 5.2 Tied Marker Name : ASTRO Tied Marker Usage : LOCAL CONTROL Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -44.489 m dy (m) : 1394.975 m dz (m) : -78.360 m Accuracy (mm) : 7 mm Survey method : GPS CAMPAIGN Date Measured : 1991-01-01 Additional Information : Exact date in Jan 1991 not known 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 : (multiple lines) 6. Frequency Standard 6.1 Standard Type : EXTERNAL RUBIDIUM Input Frequency : 5 MHz Effective Dates : 1993-01-01/1993-10-11 Notes : Allan Osborne, serial no 108 : exact date in Jan 1993 not known 6.2 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 1993-10-11/2009-05-12 Notes : SAME CLOCK USED FOR VLBI 6.3 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2009-05-12/2009-07-10 Notes : TEMPORARY SOLUTION DUE TO FREQUENCY ISSUES 6.4 Standard Type : EXTERNAL H-MASER Input Frequency : 10 MHz Effective Dates : 2009-07-10/2021-09-24 Notes : SAME CLOCK USED FOR VLBI 6.5 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2021-09-24/CCYY-MM-DD Notes : Switching to internal due to H-maser instability 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 : DORIS Status : PERMANENT Effective Dates : 1989-01-01/CCYY-MM-DD Notes : INSTALLED BY IGN, FRANCE 7.2 Instrumentation Type : VLBI Status : PERMANENT Effective Dates : 1994-10-01/CCYY-MM-DD Notes : Exact date in Oct 1994 not known 7.3 Instrumentation Type : TRIMBLE 4000SSI / SATREF Status : PERMANENT Effective Dates : 1995-09-01/2009-05-13 Notes : This is a DGPS system used for navigation. : exact date in Sep 1995 not known 7.4 Instrumentation Type : PRARE Status : PERMANENT Effective Dates : 1995-11-01/2005-01-01 Notes : exact date in Nov 1995 not known. Exact shutdown : date not known. 7.5 Instrumentation Type : NYA1 GNSS STATION Status : PERMANENT Effective Dates : 1997-06-01/CCYY-MM-DD Notes : Parallell IGS-station 7.6 Instrumentation Type : SUPERCONDUCTING GRAVIMETER GWR Status : PERMANENT Effective Dates : 1999-09-19/2014-01-12 Notes : Shut down 7.7 Instrumentation Type : SUPERCONDUCTING GRAVIMETER IGRAV Status : PERMANENT Effective Dates : 2013-09-26/CCYY-MM-DD Notes : Operating 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.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.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.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (deg C) 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.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 : TIDE GAUGE approx. 1500 m. to north north east 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x 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 Effective Dates : 1993-01-01/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/BUILDINGS/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 : Norwegian Mapping Authority : Geodetic Institute Preferred Abbreviation : NMA Mailing Address : Kartverksveien 21 / P.O.Box 600 Sentrum : N-3507 Honefoss : Norway Primary Contact Contact Name : SATREF Control Centre Telephone (primary) : Telephone (secondary) : Fax : E-mail : satref@kartverket.no Secondary Contact Contact Name : Dr. Aasmund Steen Skjaeveland Telephone (primary) : +47 32 11 84 52 Telephone (secondary) : Fax : +47 32 11 81 01 E-mail : asmund.skjaeveland@kartverket.no Additional Information : (multiple lines) 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 Secondary Data Center : BEV URL for More Information : 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 AOAD/M_B (Allen Osborne Design) ----- / + \ <-- 0.096 L2 | + | <-- 0.078 L1 +-----------------+-------------+------------------+ <-- 0.070 TCR | | | | | | | | | | +-----------------+------x------+------------------+ <-- 0.000 ARP | | +-------------+ <-- -0.011 || || <-- 0.351 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering Sketch of Ny-Aalesund site: ASTRO o . PRARE . Q o x o o o CHAMP x x x o x VLBI 10317M001 10317M003 o .. o o o Control network consists of reinforced concrete pillars drilled into solid bedrock. Horizontal reference is center of 5/8 UNC brass screw, vertical reference is top of leveling brass bolt. VLBI Center of vertical axis of VLBI antenna. PRARE Steel tower fixed to a reinforced concrete block. The station is marked by a brass marker in the concrete block. 10317M001 Steel tower fixed to a reinforced concrete block. As reference, a brass marker is fixed in the concrete block. 10317M003 Steel tower fixed to a reinforced concrete construction blasted into solid bedrock. The point is defined as the top center of the hole in the horizontal top plate, through which a special machined 5/8 UNC screw can be put to fix an antenna or other geodetic instrument. CHAMP