METS00FIN 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) : FinnRef team (finnref_team@maanmittauslaitos.fi) Date Prepared : 2024-06-26 Report Type : UPDATE If Update: Previous Site Log : mets00fin_20240625.log Modified/Added Sections : 4.4 1. Site Identification of the GNSS Monument Site Name : METSAHOVI Four Character ID : METS Monument Inscription : IERS DOMES Number : 10503S011 CDP Number : (A4) Monument Description : STEEL GRID MAST Height of the Monument : 21 m Monument Foundation : (STEEL RODS, CONCRETE BLOCK, ROOF, etc) Foundation Depth : (m) Marker Description : BRASS BOLT ON BEDROCK Date Installed : 1992-04-30T12:00Z Geologic Characteristic : BEDROCK Bedrock Type : METAMORPHIC Bedrock Condition : FRESH Fracture Spacing : over 200 cm Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : Antenna height stabilised by an invar bar. 2. Site Location Information City or Town : Kirkkonummi State or Province : N/A Country : Finland Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 2892570.999 Y coordinate (m) : 1311843.280 Z coordinate (m) : 5512634.011 Latitude (N is +) : +601302.89 Longitude (E is +) : +0242343.14 Elevation (m,ellips.) : 94.6 Additional Information : 40 km west from Helsinki 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8C Satellite System : GPS Serial Number : #302 Firmware Version : 7.3 Elevation Cutoff Setting : 10 deg Date Installed : 1992-04-30T12:00Z Date Removed : 1993-12-06T10:30Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-8C Satellite System : GPS Serial Number : #302 Firmware Version : 7.5 Elevation Cutoff Setting : 5 deg Date Installed : 1993-12-06T11:11Z Date Removed : 1994-08-12T06:00Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.3 Receiver Type : ROGUE SNR-8C Satellite System : GPS Serial Number : #302 Firmware Version : 5 Elevation Cutoff Setting : 5 deg Date Installed : 1994-08-12T06:20Z Date Removed : 1995-04-29T23:50Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.4 Receiver Type : ROGUE SNR-8100 Satellite System : GPS Serial Number : #131 Firmware Version : 2.8.32.1 Elevation Cutoff Setting : 5 deg Date Installed : 1995-04-30T00:02Z Date Removed : 1996-02-27T00:00Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.5 Receiver Type : ROGUE SNR-8100 Satellite System : GPS Serial Number : #131 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : 5 deg Date Installed : 1996-02-27T00:10Z Date Removed : 1999-08-20T23:55Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.6 Receiver Type : ROGUE SNR-8100 Satellite System : GPS Serial Number : #131 Firmware Version : 3.2.32.8 Elevation Cutoff Setting : 5 deg Date Installed : 1999-08-21T00:03Z Date Removed : 2000-05-23T23:55Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.7 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 160 Firmware Version : CC00 Elevation Cutoff Setting : 5 deg Date Installed : 2000-05-24T00:00Z Date Removed : 2008-04-25T07:00Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : 22-MAY-2001 : Changes made to be consistent : with RINEX header (Full s/n: LP00160U). 3.8 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 108 Firmware Version : CD00 Elevation Cutoff Setting : 5 deg Date Installed : 2008-04-25T07:00Z Date Removed : 2008-09-22T08:20Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.9 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 160 Firmware Version : CD00 Elevation Cutoff Setting : 5 deg Date Installed : 2008-09-22T08:20Z Date Removed : 2009-08-24T12:45Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : Full s/n: LP00160U 3.10 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 108 Firmware Version : CD00 Elevation Cutoff Setting : 5 deg Date Installed : 2009-08-24T12:45Z Date Removed : 2010-09-09T09:00Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.11 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 298 Firmware Version : CD00 Elevation Cutoff Setting : 5 deg Date Installed : 2010-09-09T09:00Z Date Removed : 2011-10-11T11:55Z Temperature Stabiliz. : 18.0 +/- (deg C) Additional Information : (multiple lines) 3.12 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 832 Firmware Version : CD00 Elevation Cutoff Setting : 5 deg Date Installed : 2011-10-11T11:56Z Date Removed : 2016-03-03T12:15Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.13 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 832 Firmware Version : CD00 Elevation Cutoff Setting : 0 deg Date Installed : 2016-03-03T12:15Z Date Removed : 2016-11-11T10:00Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.14 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS Serial Number : 01173 Firmware Version : 3.5.14 Sep,22,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2016-11-11T11:00Z Date Removed : 2017-04-24T05:28Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.15 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS Serial Number : 01173 Firmware Version : 3.6.9 Nov,28,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2017-04-24T05:33Z Date Removed : 2018-03-08T07:24Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.16 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS Serial Number : 02876 Firmware Version : 3.7.3 Feb,02,2018 Elevation Cutoff Setting : 0 deg Date Installed : 2018-03-08T07:25Z Date Removed : 2018-11-14T10:42Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.17 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS Serial Number : 02876 Firmware Version : 3.7.4 Oct,29,2018 Elevation Cutoff Setting : 0 deg Date Installed : 2018-11-14T10:43Z Date Removed : 2019-01-31T11:25Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.18 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS Serial Number : 02876 Firmware Version : 3.7.5p1 Jan,23,2019 Elevation Cutoff Setting : 0 deg Date Installed : 2019-01-31T11:29Z Date Removed : 2019-10-25T09:56Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.19 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS Serial Number : 02876 Firmware Version : 3.7.7 Oct,08,2019 Elevation Cutoff Setting : 0 deg Date Installed : 2019-10-25T10:02Z Date Removed : 2021-11-19T13:39Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.20 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS Serial Number : 02876 Firmware Version : 4.1.03-210713 Elevation Cutoff Setting : 0 deg Date Installed : 2021-11-19T13:45Z Date Removed : 2022-11-03T11:01Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.21 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS Serial Number : 02876 Firmware Version : 4.1.05-220902 Elevation Cutoff Setting : 0 deg Date Installed : 2022-11-03T11:08Z Date Removed : 2024-04-18T07:12Z Temperature Stabiliz. : 18.0 +/- 2.0 Additional Information : (multiple lines) 3.22 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS Serial Number : 02876 Firmware Version : 4.3.00-231129 Elevation Cutoff Setting : 0 deg Date Installed : 2024-04-18T07:15Z Date Removed : 2024-06-25T08:15Z Temperature Stabiliz. : none Additional Information : Station is shut down entirely. Height : stabilization system has failed and cannot be : repaired. Station MET300FIN (GRECS) on the same : site acts as a replacement 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 NONE Serial Number : 125 Antenna Reference Point : BCR Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 4 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-04-30T12:00Z Date Removed : 2010-08-19T14:31Z Additional Information : (multiple lines) 4.2 Antenna Type : AOAD/M_T NONE Serial Number : 519 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2010-08-19T14:31Z Date Removed : 2013-06-28T11:45Z Additional Information : Due to reinstallation of the invar : stabilization, the ARP of the new antenna is : 22mm lower than the ARP of the old antenna. New : antenna is absolute calibrated by Geo++ GmbH in : Feb 24 2009. 4.3 Antenna Type : ASH700936C_M NONE Serial Number : 11761 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2013-06-28T11:55Z Date Removed : 2013-08-27T06:54Z Additional Information : New antenna is absolute calibrated by Geo++ : GmbH. Calibration values have been submitted to : EPN CB. 4.4 Antenna Type : ASH700936C_M NONE Serial Number : 11761 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : AIRCOM+ and Aircell5 Antenna Cable Length : 72 m Date Installed : 2013-08-27T09:45Z Date Removed : 2024-06-25T08:15Z Additional Information : Only antenna cable setup was changed. : : Cable setup from antenna to receiver is : : (1) 45m AIRCOM+; : : (2)Lightning Protection : : (PolyPhaser DGXZ + 15NFNF-A); : : (3) 25m AIRCOM+; : : (4) GPS Networking HIALDCBS1X2-N High Isolated : 1X2 : : splitter; : : (5) 2m Aircell5 : : : 2024-06-25: Station is shut down entirely. : Height stabilization system has failed and : cannot be repaired. Station MET300FIN (GRECS) on : the same site acts as a replacement 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 : Mobile VLBI Tied Marker Usage : Mobile VLBI Tied Marker CDP Number : 7601 Tied Marker DOMES Number : 10503M002 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -1918.178 m dy (m) : -1548.001 m dz (m) : 1324.664 m Accuracy (mm) : 5 mm Survey method : GPS Date Measured : 1993-12-29T12:00Z Additional Information : (multiple lines) 5.2 Tied Marker Name : DORIS Tied Marker Usage : DORIS Tied Marker CDP Number : (A4) Tied Marker DOMES Number : 10503S013 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -1929.787 m dy (m) : -1532.781 m dz (m) : 1330.896 m Accuracy (mm) : 5 mm Survey method : Precision tacheometry Date Measured : 1993-12-29T12:00Z Additional Information : (multiple lines) 5.3 Tied Marker Name : SLR Tied Marker Usage : SLR Tied Marker CDP Number : 7806 Tied Marker DOMES Number : 10503S014 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 36.216 m dy (m) : -30.258 m dz (m) : -35.388 m Accuracy (mm) : 2 mm Survey method : Precision tacheometry Date Measured : 1996-10-15T12:00Z Additional Information : (multiple lines) 5.4 Tied Marker Name : GPS/GLONASS Tied Marker Usage : GLONASS Tied Marker CDP Number : (A4) Tied Marker DOMES Number : 10503M005 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -0.951 m dy (m) : 0.205 m dz (m) : 0.398 m Accuracy (mm) : 1 mm Survey method : GPS Date Measured : 1998-10-12T12:00Z Additional Information : (multiple lines) 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 H-MASER Input Frequency : 5 MHz Effective Dates : 1992-05-01/1999-06-29 Notes : often unreliable, from Metsahovi Radio : Research Station 6.2 Standard Type : EXTERNAL QUARTZ (OSCILLOQUARTZ BVA 8600-B) Input Frequency : 5 MHz Effective Dates : 1999-06-29/1999-10-04 Notes : (multiple lines) 6.3 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 1999-10-04/2014-11-05 Notes : repaired, frequency availability not fully : secured. : External H-MASER disconnected due to bad signal : quality. 6.4 Standard Type : INTERNAL Input Frequency : (if external) Effective Dates : 2014-11-05/CCYY-MM-DD Notes : (multiple lines) 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 : SLR Status : PERMANENT Effective Dates : 1978-08-01/1998-10-03 Notes : 7805, upgraded in 1993 7.2 Instrumentation Type : DORIS Status : PERMANENT Effective Dates : 1988-06-21/CCYY-MM-DD Notes : (multiple lines) 7.3 Instrumentation Type : VLBI Status : MOBILE Effective Dates : 1989-07-01/1989-07-10 Notes : MV-3, 5 days 7.4 Instrumentation Type : SUPERCONDUCTING GRAVIMETER Status : PERMANENT Effective Dates : 1994-08-10/CCYY-MM-DD Notes : GWR TT70, S/N 20 7.5 Instrumentation Type : SLR Status : PERMANENT Effective Dates : 1996-10-15/2007-01-01 Notes : 7806 7.6 Instrumentation Type : GPS/GLONASS RECEIVER Status : PERMANENT Effective Dates : 1998-10-12/2012-03-14 Notes : METZ 10503M005 7.7 Instrumentation Type : ABSOLUTE GRAVIMETER Status : MOBILE Effective Dates : 2003-01-01/CCYY-MM-DD Notes : FG5-221, updated to FG5x in 2013 7.8 Instrumentation Type : VLBI Status : PERMANENT Effective Dates : 2005-01-01/CCYY-MM-DD Notes : IVS station METSAHOV : Observations during GeoVLBI campaigns 7.9 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2012-07-03/CCYY-MM-DD Notes : IGS station METG 10503M002 7.10 Instrumentation Type : GNSS Status : PERMANENT Effective Dates : 2013-08-27/CCYY-MM-DD Notes : MET3 10503M010 7.11 Instrumentation Type : SUPERCONDUCTING GRAVIMETER Status : PERMANENT Effective Dates : 2014-02-15/CCYY-MM-DD Notes : OSG-073 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 : HMP35D Manufacturer : Vaisala Serial Number : Data Sampling Interval : 600 sec Accuracy (% rel h) : 3 % rel h Aspiration : +/-0.2 Height Diff to Ant : -5.3 m Calibration date : (CCYY-MM-DD) Effective Dates : 1997-05-21/CCYY-MM-DD Notes : (multiple lines) 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 : PTB200A Manufacturer : Vaisala Serial Number : Data Sampling Interval : 600 sec Accuracy : 0.2 hPa Height Diff to Ant : -5.3 m Calibration date : (CCYY-MM-DD) Effective Dates : 1997-05-21/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) 8.3.1 Temp. Sensor Model : HMP35D (Pt-100) Manufacturer : Vaisala Serial Number : Data Sampling Interval : 600 sec Accuracy : 0.2 deg C Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : -5.3 m Calibration date : (CCYY-MM-DD) Effective Dates : 1997-05-21/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.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.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 : National Land Survey of Finland : Finnish Geospatial Research Institute Preferred Abbreviation : FGI Mailing Address : Geodeetinrinne 2 : FI-02430 Masala : Finland Primary Contact Contact Name : FinnRef team Telephone (primary) : Telephone (secondary) : Fax : E-mail : finnref_team@maanmittauslaitos.fi Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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 : URL for More Information : Hardcopy on File Site Map : (Y or URL) Site Diagram : X Horizon Mask : X Monument Description : X Site Pictures : X Additional Information : (multiple lines) Antenna Graphics with Dimensions AOAD/M_T Dorne Margolin with chokerings (Rogue, AOA design) ----- / \ | | +-------------------------------------------------+ <-- 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