BRAZ00BRA Site Information Form (site log) International GNSS Service See Instructions at: ftp://igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Sonia Costa Date Prepared : 2020-10-19 Report Type : UPDATE If Update: Previous Site Log : braz_20200518.log Modified/Added Sections : 3.28 1. Site Identification of the GNSS Monument Site Name : Brasilia Four Character ID : BRAZ Monument Inscription : 4024-S IERS DOMES Number : 41606M001 CDP Number : None Monument Description : PILLAR Height of the Monument : 1.20 m Monument Foundation : CONCRETE BLOCK Foundation Depth : Marker Description : CHISELLED CROSS Date Installed : 1995-03-03T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : unknown Fault zones nearby : Distance/activity : Additional Information : RBMC - Brazilian Network for Continuous : Monitoring of GPS. : Monument is a concrete pillar with forced : centering device in the top of one-floor : building. 2. Site Location Information City or Town : Brasilia State or Province : Distrito Federal Country : Brazil Tectonic Plate : SOUTH AMERICAN Approximate Position (ITRF) X coordinate (m) : 4115014.1128 Y coordinate (m) : -4550641.5225 Z coordinate (m) : -1741444.0984 Latitude (N is +) : -155650.64 Longitude (E is +) : -0475240.08 Elevation (m,ellips.) : 1106.0413 Additional Information : This site is located at IBGE Ecological : Reserve of Roncador. 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T315 Firmware Version : 2.8.32 Elevation Cutoff Setting : Date Installed : 1995-03-03T00:00Z Date Removed : 1996-08-29T00:00Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : 253 Firmware Version : 3.2 link 09-MAR-1995 Elevation Cutoff Setting : Date Installed : 1996-08-29T00:00Z Date Removed : 1998-04-28T00:00Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 16594 Firmware Version : 7.22 Elevation Cutoff Setting : Date Installed : 1998-04-28T00:00Z Date Removed : 2007-03-12T00:00Z Temperature Stabiliz. : Additional Information : 3.4 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4644124503 Firmware Version : 1.15 Elevation Cutoff Setting : 0 deg Date Installed : 2007-03-13T00:00Z Date Removed : 2008-03-06T00:00Z Temperature Stabiliz. : Additional Information : 3.5 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4644124503 Firmware Version : 1.2-0 Elevation Cutoff Setting : 0 deg Date Installed : 2008-03-06T00:00Z Date Removed : 2012-09-18T15:10Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLO Serial Number : 4923K35520 Firmware Version : 4.17 Elevation Cutoff Setting : 0 deg Date Installed : 2012-09-18T15:14Z Date Removed : 2012-11-21T16:00Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLO Serial Number : 4923K35520 Firmware Version : 4.41 Elevation Cutoff Setting : 0 deg Date Installed : 2012-11-21T16:00Z Date Removed : 2012-11-27T16:30Z Temperature Stabiliz. : Additional Information : 3.8 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4644124503 Firmware Version : 1.2-0 Elevation Cutoff Setting : 0 deg Date Installed : 2012-11-27T16:31Z Date Removed : 2013-04-25T20:00Z Temperature Stabiliz. : Additional Information : 3.9 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLO Serial Number : 4923K35538 Firmware Version : 4.7 Elevation Cutoff Setting : 0 deg Date Installed : 2013-04-25T20:32Z Date Removed : 2014-07-03T13:50Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLO Serial Number : 4923K35538 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-07-03T14:00Z Date Removed : 2014-09-17T13:00Z Temperature Stabiliz. : Additional Information : 3.11 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLO Serial Number : 4906K34391 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-09-17T13:34Z Date Removed : 2014-12-23T17:03Z Temperature Stabiliz. : Additional Information : 3.12 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4644124505 Firmware Version : 1.2-0 Elevation Cutoff Setting : 0 deg Date Installed : 2014-12-23T19:00Z Date Removed : 2015-01-21T11:01Z Temperature Stabiliz. : Additional Information : 3.13 Receiver Type : TRIMBLE NETR8 Satellite System : GPS+GLO Serial Number : 4913K34710 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2015-01-21T11:39Z Date Removed : 2015-02-26T16:50Z Temperature Stabiliz. : Additional Information : 3.14 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4427235656 Firmware Version : 1.3-2 Elevation Cutoff Setting : 0 deg Date Installed : 2015-02-26T17:02Z Date Removed : 2015-04-15T15:54Z Temperature Stabiliz. : Additional Information : 3.15 Receiver Type : LEICA GR25 Satellite System : GPS+GLO Serial Number : 1830343 Firmware Version : 3.03 Elevation Cutoff Setting : 0 deg Date Installed : 2015-04-15T16:29Z Date Removed : 2015-08-07T17:30Z Temperature Stabiliz. : Additional Information : 3.16 Receiver Type : LEICA GR25 Satellite System : GPS+GLO Serial Number : 1830343 Firmware Version : 3.11 Elevation Cutoff Setting : 0 deg Date Installed : 2015-08-07T17:40Z Date Removed : 2016-02-03T13:42Z Temperature Stabiliz. : Additional Information : 3.17 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4427235656 Firmware Version : 1.3-2 Elevation Cutoff Setting : 0 deg Date Installed : 2016-02-03T13:42Z Date Removed : 2016-09-26T12:44Z Temperature Stabiliz. : Additional Information : 3.18 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.14 Elevation Cutoff Setting : 0 deg Date Installed : 2016-09-28T13:30Z Date Removed : 2016-12-21T15:50Z Temperature Stabiliz. : Additional Information : 3.19 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.15 Elevation Cutoff Setting : 0 deg Date Installed : 2016-12-21T15:50Z Date Removed : 2017-01-04T17:35Z Temperature Stabiliz. : Additional Information : 3.20 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.20 Elevation Cutoff Setting : 0 deg Date Installed : 2017-01-04T17:48Z Date Removed : 2017-03-22T20:50Z Temperature Stabiliz. : Additional Information : 3.21 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.22 Elevation Cutoff Setting : 0 deg Date Installed : 2017-03-22T20:50Z Date Removed : 2017-09-06T13:40Z Temperature Stabiliz. : Additional Information : 3.22 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.30 Elevation Cutoff Setting : 0 deg Date Installed : 2017-09-06T13:45Z Date Removed : 2018-03-15T18:15Z Temperature Stabiliz. : Additional Information : 3.23 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.33 Elevation Cutoff Setting : 0 deg Date Installed : 2018-03-15T18:20Z Date Removed : 2018-10-19T17:00Z Temperature Stabiliz. : Additional Information : 3.24 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.37 Elevation Cutoff Setting : 0 deg Date Installed : 2018-10-19T17:02Z Date Removed : 2019-12-04T14:30Z Temperature Stabiliz. : Additional Information : 3.25 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.43 Elevation Cutoff Setting : 0 deg Date Installed : 2019-12-04T14:33Z Date Removed : 2020-01-02T13:15Z Temperature Stabiliz. : Additional Information : 3.26 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.44 Elevation Cutoff Setting : 0 deg Date Installed : 2020-01-02T13:20Z Date Removed : 2020-05-18T19:58Z Temperature Stabiliz. : Additional Information : 3.27 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2020-05-18T20:00Z Date Removed : 2020-10-13T17:22Z Temperature Stabiliz. : Additional Information : 3.28 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL Serial Number : 5607R50135 Firmware Version : 5.48 Elevation Cutoff Setting : 0 deg Date Installed : 2020-10-13T17:24Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : Additional Information : 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+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_T NONE Serial Number : 407 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0070 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1995-03-03T00:00Z Date Removed : 1996-08-29T00:00Z Additional Information : 4.2 Antenna Type : AOAD/M_T NONE Serial Number : 423 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0070 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-08-29T00:00Z Date Removed : 1998-04-28T00:00Z Additional Information : 4.3 Antenna Type : AOAD/M_T NONE Serial Number : 71001 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0080 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1998-04-28T00:00Z Date Removed : 2007-03-12T00:00Z Additional Information : 4.4 Antenna Type : TRM41249.00 NONE Serial Number : 60183651 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0080 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2007-03-13T00:00Z Date Removed : 2012-09-18T15:10Z Additional Information : 4.5 Antenna Type : TRM59800.00 NONE Serial Number : 4951353656 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0080 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2012-09-18T15:14Z Date Removed : 2012-11-27T16:30Z Additional Information : 4.6 Antenna Type : TRM41249.00 NONE Serial Number : 60183651 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.0080 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2012-11-27T16:31Z Date Removed : 2013-04-25T20:00Z Additional Information : 4.7 Antenna Type : TRM59800.00 NONE Serial Number : 4951353656 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0080 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 : Antenna Cable Length : 30 m Date Installed : 2013-04-25T20:32Z Date Removed : 2014-10-23T12:01Z Additional Information : 4.8 Antenna Type : TRM59800.00 NONE Serial Number : 4951353669 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0080 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 : Antenna Cable Length : 30 m Date Installed : 2014-10-23T12:45Z Date Removed : 2015-04-15T15:54Z Additional Information : 4.9 Antenna Type : LEIAR10 NONE Serial Number : 16046005 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.008 Marker->ARP North Ecc(m) : 0.0 Marker->ARP East Ecc(m) : 0.0 Alignment from True N : 0.0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2015-04-15T16:29Z Date Removed : 2016-09-28T12:45Z Additional Information : 4.10 Antenna Type : TRM57971.00 NONE Serial Number : 2612117300 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.008 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : 30 m Date Installed : 2016-09-28T13:30Z 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 : VT Roberto/92500 Tied Marker Usage : Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -513.643 dy (m) : -531.581 dz (m) : 233.486 Accuracy (mm) : 4 mm Survey method : Date Measured : 1994-11-07T00:00Z Additional Information : 5.2 Tied Marker Name : VT Joao Rosa/91153 Tied Marker Usage : Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : 667.857 dy (m) : -210.603 dz (m) : 2243.804 Accuracy (mm) : 4 mm Survey method : Date Measured : 1994-11-07T00:00Z 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) : (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 : INTERNAL Input Frequency : Effective Dates : 1995-03-03/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.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 : PTU303 Manufacturer : Vaisala Serial Number : F2910078 Data Sampling Interval : 60 sec Accuracy (% rel h) : 1 Aspiration : Height Diff to Ant : Calibration date : 2014-03-19 Effective Dates : (CCYY-MM-DD/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 : PTU303 Manufacturer : Vaisala Serial Number : F2910078 Data Sampling Interval : 60 sec Accuracy : 0.3 hPa Height Diff to Ant : Calibration date : 2014-03-19 Effective Dates : (CCYY-MM-DD/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 : PTU303 Manufacturer : Vaisala Serial Number : F2910078 Data Sampling Interval : 60 sec Accuracy : 0.2 deg C Aspiration : Height Diff to Ant : Calibration date : 2014-03-19 Effective Dates : Notes : 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 : Instituto Brasileiro de Geografia e Estatistica : Brazilian Institute of Geography and Statistics) Preferred Abbreviation : IBGE Mailing Address : Avenida Brasil, 15671 - CEP 21241-051 : Rio de Janeiro - RJ - Brazil Primary Contact Contact Name : Sonia Costa Telephone (primary) : 55-21-21424929 Telephone (secondary) : 55-21-21424935 Fax : 55-21-21424859 E-mail : sonia.alves@ibge.gov.br Secondary Contact Contact Name : Guiderlan Mantovani Telephone (primary) : 55-21-21424929 Telephone (secondary) : 55-21-21424935 Fax : 55-21-21424859 E-mail : guiderlan.mantovani@ibge.gov.br Additional Information : 12. Responsible Agency (if different from 11.) Agency : Brazilian Institute of Geography and Statistics Preferred Abbreviation : IBGE Mailing Address : Av. Brasil, 15671, Parada de Lucas, : Rio de Janeiro : Brasil Primary Contact Contact Name : Sonia Costa Telephone (primary) : 55 21 21424929 Telephone (secondary) : 55 21 21424935 Fax : E-mail : smcosta_2000@yahoo.com Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : CDDIS Secondary Data Center : JPL URL for More Information : ftp://geoftp.ibge.gov.br/RBMC/relatorio/ Hardcopy on File Site Map : Site Diagram : N Horizon Mask : N Monument Description : N Site Pictures : N Additional Information : Antenna Graphics with Dimensions TURBOROGUE: DORNE MARGOLIN T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 ARP <-- 0.381 --> TRM41249.00 / ----------------------+--------------------- \ <-- 0.0714 L1 + + + <-- 0.0682 L2 \ -------------------------------------------- / \ / \ / \-----+-----/ <-- 0.0000 ARP=BAM <-- 0.3396 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TRM29659.00 TRM59800.00 TRM59800.80 TRM59900.00 ----- / \ | | +-------------------------------------------------+ <-- 0.1020 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0381 +-------------------+-------------+-------------------+ <-- 0.0350 BCR | | =| | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3810 -->