HUEG00DEU 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) : GREF Operator Date Prepared : 2020-11-06 Report Type : UPDATE If Update: Previous Site Log : HUEG00DEU_20200319.log Modified/Added Sections : 0, 1, 2, 3.13, 3.14, 11, 12, 13 1. Site Identification of the GNSS Monument Site Name : Huegelheim Four Character ID : HUEG Monument Inscription : - IERS DOMES Number : 14280M001 CDP Number : Monument Description : STEEL MAST - plate on the roof Height of the Monument : 1.0 m Monument Foundation : WALL HOLDER ON BUILDING Foundation Depth : - m Marker Description : SURVEY MARKER BOLT ON STEEL MAST Date Installed : 2002-02-18T12:00Z Geologic Characteristic : Bedrock Type : - Bedrock Condition : - Fracture Spacing : none Fault zones nearby : - Distance/activity : - Additional Information : The system is installed on the roof of the : building of a gas compressor station. : Antenna mounted with a special screw : adapter on the mast. 2. Site Location Information City or Town : Huegelheim State or Province : Baden Wuerttemberg Country : Germany Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4251963.300 Y coordinate (m) : 567043.800 Z coordinate (m) : 4704708.700 Latitude (N is +) : +475002.22 Longitude (E is +) : +0073546.21 Elevation (m,ellips.) : 278.300 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311513741 Firmware Version : E_GGD_2/2.2 Elevation Cutoff Setting : 5 deg Date Installed : 2002-02-18T12:00Z Date Removed : 2002-10-09T12:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311513741 Firmware Version : E_GGD_2/2.2p2 Elevation Cutoff Setting : 5 deg Date Installed : 2002-10-09T12:00Z Date Removed : 2005-12-08T12:00Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311513741 Firmware Version : Euro_3/2.3p4 Elevation Cutoff Setting : 5 deg Date Installed : 2005-12-08T12:00Z Date Removed : 2006-01-03T12:00Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : AG0XLFRDTZ4 Firmware Version : E_GGD_2/2.5p1 Elevation Cutoff Setting : 5 deg Date Installed : 2006-01-03T12:00Z Date Removed : 2007-02-23T08:00Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311605707 Firmware Version : Euro_3/2.3p4 Elevation Cutoff Setting : 5 deg Date Installed : 2007-02-23T08:00Z Date Removed : 2008-01-30T10:30Z Temperature Stabiliz. : none Additional Information : 3.6 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : MT311605707 Firmware Version : 2.6.1 JAN,10,2008 Elevation Cutoff Setting : 0 deg Date Installed : 2008-01-30T10:30Z Date Removed : 2008-03-13T11:00Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : JPS LEGACY Satellite System : GPS+GLO Serial Number : AFMR2C4Z08W Firmware Version : 2.6.1 JAN,10,2008 Elevation Cutoff Setting : 0 deg Date Installed : 2008-03-13T11:00Z Date Removed : 2013-07-10T07:50Z Temperature Stabiliz. : none Additional Information : Additional Number : LE5795 on the : type level 3.8 Receiver Type : LEICA GR25 Satellite System : GPS+GLO+GAL+SBAS Serial Number : 1830178 Firmware Version : 3.00/6.113 Elevation Cutoff Setting : 0 deg Date Installed : 2013-07-10T09:45Z Date Removed : 2014-06-03T07:00Z Temperature Stabiliz. : none Additional Information : ME serial number BDU11400634 3.9 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+SBAS Serial Number : 01588 Firmware Version : 3.5.5 MAR,03,2014 Elevation Cutoff Setting : 0 deg Date Installed : 2014-06-03T08:00Z Date Removed : 2016-08-12T12:00Z Temperature Stabiliz. : none Additional Information : Board Id : 04DQU21IR2QL91LBPCJR8R5L0C 3.10 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 01588 Firmware Version : 3.6.6 APR,27,2016 Elevation Cutoff Setting : 0 deg Date Installed : 2016-08-12T12:00Z Date Removed : 2017-09-12T12:30Z Temperature Stabiliz. : none Additional Information : Board Id : 04DQU21IR2QL91LBPCJR8R5L0C 3.11 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 01588 Firmware Version : 3.7.2 AUG,31,2017 Elevation Cutoff Setting : 0 deg Date Installed : 2017-09-12T12:40Z Date Removed : 2019-11-14T12:00Z Temperature Stabiliz. : none Additional Information : Board Id : 04DQU21IR2QL91LBPCJR8R5L0C 3.12 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 02908 Firmware Version : 3.7.7 OCT,08,2019 Elevation Cutoff Setting : 0 deg Date Installed : 2019-11-14T13:30Z Date Removed : 2020-03-11T13:00Z Temperature Stabiliz. : none Additional Information : Board Id : 10IN9BKZOM1PT0QDSPVJA2QGHS 3.13 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 02908 Firmware Version : 3.7.9 DEC,30,2019 Elevation Cutoff Setting : 0 deg Date Installed : 2020-03-11T13:30Z Date Removed : 2020-11-06T04:50Z Temperature Stabiliz. : none Additional Information : Board Id : 10IN9BKZOM1PT0QDSPVJA2QGHS 3.14 Receiver Type : JAVAD TRE_3 DELTA Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 02908 Firmware Version : 3.7.10 Oct,22,2020 Elevation Cutoff Setting : 0 deg Date Installed : 2020-11-06T04:50Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : Board Id : 10IN9BKZOM1PT0QDSPVJA2QGHS 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 : JPSREGANT_SD_E2 NONE Serial Number : RA0310 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.000 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 : RG58 Antenna Cable Length : 5 m Date Installed : 2002-02-21T12:00Z Date Removed : 2005-12-05T12:00Z Additional Information : Antenna type listed in this section retro- : actively changed from JPSREGANT_SD_E to : JPSREGANT_SD_E2 starting with log file : hueg_20121007.log. See IGSMAIL-6662 and : IGSMAIL-6663 for details. 4.2 Antenna Type : JPSREGANT_SD_E2 NONE Serial Number : RA0291 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.000 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 : RG58 Antenna Cable Length : 5 m Date Installed : 2005-12-05T12:00Z Date Removed : 2008-03-13T11:00Z Additional Information : Antenna type listed in this section retro- : actively changed from JPSREGANT_SD_E to : JPSREGANT_SD_E2 starting with log file : hueg_20121007.log. See IGSMAIL-6662 and : IGSMAIL-6663 for details. 4.3 Antenna Type : TPSCR3_GGD CONE Serial Number : 217-0116 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.000 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : 0 deg Antenna Radome Type : CONE Radome Serial Number : Antenna Cable Type : RG58 Antenna Cable Length : 5 m Date Installed : 2008-03-13T11:00Z Date Removed : 2013-07-10T07:50Z Additional Information : 4.4 Antenna Type : LEIAR25.R4 LEIT Serial Number : 725269 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 : LEIT Radome Serial Number : Antenna Cable Type : RG58 Antenna Cable Length : 5 m Date Installed : 2013-07-10T09:45Z Date Removed : 2019-11-14T12:00Z Additional Information : Antenna calibrated absolute : by Geo++ GmbH, Garbsen 2012-09-25. 4.5 Antenna Type : LEIAR25.R4 LEIT Serial Number : 726365 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 : LEIT Radome Serial Number : - Antenna Cable Type : RG58 Antenna Cable Length : 5 m Date Installed : 2019-11-14T13:30Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : Antenna individual calibrated absolutely by : : GEO++ - ROBOT 2016-04-06 : : UNI BONN - CHAMBER 2016-05-10 : : UNI BONN - CHAMBER 2018-04-25 : : Senatsverwaltung Berlin - ROBOT 2019-08-23 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.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 : 2002-02-18/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 : WXTPTU Manufacturer : Vaisala Serial Number : J2330064 Data Sampling Interval : 10 sec Accuracy (% rel h) : 3 Aspiration : NATURAL Height Diff to Ant : -0.5 m Calibration date : 2013-06-13 Effective Dates : 2014-06-03/2019-11-14 Notes : Vaisala WXT520 (heated) SN: J2440005 : Humidity Sensor is 0.5 m under the antenna : capacitive thin film polymer HUMICAP 180 sensor 8.1.2 Humidity Sensor Model : WXTPTU Manufacturer : Vaisala Serial Number : P2410061 Data Sampling Interval : 10 sec Accuracy (% rel h) : 3 Aspiration : NATURAL Height Diff to Ant : -0.5 m Calibration date : 2018-06-15 Effective Dates : 2019-11-14/CCYY-MM-DD Notes : Vaisala WXT530 (heated) SN: P3710987 : Humidity Sensor is 0.5 m under the antenna : capacitive thin film polymer HUMICAP 180 sensor 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 : WXTPTU Manufacturer : Vaisala Serial Number : J2330064 Data Sampling Interval : 10 sec Accuracy : 1 hPa Height Diff to Ant : -0.5 m Calibration date : 2013-06-13 Effective Dates : 2014-06-03/2019-11-14 Notes : Vaisala WXT520 (heated) SN: J2440005 : Pressure Sensor is 0.5 m under the antenna : capacitive silicon BAROCAP sensor 8.2.2 Pressure Sensor Model : WXTPTU Manufacturer : Vaisala Serial Number : P2410061 Data Sampling Interval : 10 sec Accuracy : 1 hPa Height Diff to Ant : -0.5 m Calibration date : 2018-06-15 Effective Dates : 2019-11-14/CCYY-MM-DD Notes : Vaisala WXT530 SN: P3710987 : Pressure Sensor is 0.5 m under the antenna : capacitive silicon BAROCAP sensor 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 : WXTPTU Manufacturer : Vaisala Serial Number : J2330064 Data Sampling Interval : 10 sec Accuracy : 0.3 deg C Aspiration : NATURAL Height Diff to Ant : -0.5 m Calibration date : 2013-06-13 Effective Dates : 2014-06-03/2019-11-14 Notes : Vaisala WXT520 (heated) SN: J2440005 : Pressure Sensor is 0.5 m under the antenna : capacitive ceramic THERMOCAP sensor 8.3.2 Temp. Sensor Model : WXTPTU Manufacturer : Vaisala Serial Number : P2410061 Data Sampling Interval : 10 sec Accuracy : 0.3 deg C Aspiration : NATURAL Height Diff to Ant : -0.5 m Calibration date : 2018-06-15 Effective Dates : 2019-11-14/CCYY-MM-DD Notes : Vaisala WXT530 SN: P3710987 : Pressure Sensor is 0.5 m under the antenna : capacitive ceramic THERMOCAP sensor 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 : Wind Azimut : Wind Sensor Model WXT520 (heated) : Manufacturer Vaisala : Serial Number J2440005 : Data Sampling Interval 10 sec : Accuracy 3 deg : Height Diff to Ant -0.5 m : Test date 2013-06-13 : Effective Dates 2014-06-03/2019-11-14 : Notes Wind Sensor is 0.5 m under the antenna : Notes ultrasonic WINDCAP sensor 8.5.2 Other Instrumentation : Wind Speed : Wind Sensor Model WXT520 (heated) : Manufacturer Vaisala : Serial Number J2440005 : Data Sampling Interval 10 sec : Accuracy : measurement values 0..35 m/s 0.3 m/s or 3% : measurement values 36..60 m/s 5% : Height Diff to Ant -0.5 m : Test date 2013-06-13 : Effective Dates 2014-06-03/2019-11-14 : Notes Wind Sensor is 0.5 m under the antenna : Notes ultrasonic WINDCAP sensor 8.5.3 Other Instrumentation : Rain Increment : Rain Sensor Model WXT520 (heated) : Manufacturer Vaisala : Serial Number J2440005 : Data Sampling Interval 10 sec : Accuracy 5 % : Height Diff to Ant -0.5 m : Test date 2013-06-13 : Effective Dates 2014-06-03/2019-11-14 : Notes Rain Sensor is 0.5 m under the antenna : Notes piezoelectrical RAINCAP sensor 8.5.4 Other Instrumentation : Hail Indicator : Hail Sensor Model WXT520 (heated) : Manufacturer Vaisala : Serial Number J2440005 : Data Sampling Interval 10 sec : Accuracy 5 % : Height Diff to Ant -0.5 m : Test date 2013-06-13 : Effective Dates 2014-06-03/2019-11-14 : Notes Hail Sensor is 0.5 m under the antenna : Notes piezoelectrical RAINCAP sensor 8.5.5 Other Instrumentation : Wind Azimut : Wind Sensor Model WXT530 (heated) : Manufacturer Vaisala : Serial Number P3710987 : Data Sampling Interval 10 sec : Accuracy 3 deg : Height Diff to Ant -0.5 m : Test date 2018-09-10 : Effective Dates 2019-11-14/CCYY-MM-DD : Notes Wind Sensor is 0.5 m under the antenna : Notes ultrasonic WINDCAP sensor 8.5.6 Other Instrumentation : Wind Speed : Wind Sensor Model WXT530 (heated) : Manufacturer Vaisala : Serial Number P3710987 : Data Sampling Interval 10 sec : Accuracy : measurement values 0..35 m/s 0.3 m/s or 3% : measurement values 36..60 m/s 5% : Height Diff to Ant -0.5 m : Test date 2018-09-10 : Effective Dates 2019-11-14/CCYY-MM-DD : Notes Wind Sensor is 0.5 m under the antenna : Notes ultrasonic WINDCAP sensor 8.5.7 Other Instrumentation : Rain Increment : Rain Sensor Model WXT530 (heated) : Manufacturer Vaisala : Serial Number P3710987 : Data Sampling Interval 10 sec : Accuracy 5 % : Height Diff to Ant -0.5 m : Test date 2018-09-10 : Effective Dates 2019-11-14/CCYY-MM-DD : Notes Rain Sensor is 0.5 m under the antenna : Notes piezoelectrical RAINCAP sensor 8.5.8 Other Instrumentation : Hail Indicator : Hail Sensor Model WXT530 (heated) : Manufacturer Vaisala : Serial Number P3710987 : Data Sampling Interval 10 sec : Accuracy 5 % : Height Diff to Ant -0.5 m : Test date 2018-09-10 : Effective Dates 2019-11-14/CCYY-MM-DD : Notes Hail Sensor is 0.5 m under the antenna : Notes piezoelectrical RAINCAP sensor 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 : Bundesamt fuer Kartographie und Geodaesie : Department of Geodaesie Preferred Abbreviation : BKG Mailing Address : Richard-Strauss-Allee 11 : D-60598 Frankfurt a.M. : Germany Primary Contact Contact Name : GREF Operator Telephone (primary) : +49 341 5634432 Telephone (secondary) : +49 341 5634410 Fax : +49 341 5634415 E-mail : operator.gref@bkg.bund.de Secondary Contact Contact Name : BKG GNSS Data Center Telephone (primary) : +49 69 6333274 Telephone (secondary) : +49 69 63331 Fax : +49 69 6333425 E-mail : bkg-gdc@bkg.bund.de Additional Information : - 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : Mailing Address : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : BKG Secondary Data Center : CDDIS URL for More Information : gref.bkg.bund.de Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Y Additional Information : - Antenna Graphics with Dimensions Javad Positioning Systems: REGANT - SD +-------------------------+ <---------- Plastic Housing for / ------------------- \ Antenna/Choke Ring / / \ \ +---------+ | + | +---------+ <-- 0.1060 L1 | +-------------------------------------------------+ | <-- TCR / | | \ | | | | | | | | | | | | \+-----------------------------------------------------+/ |+-----------------------------------------------------+| <-- BCR \______________ | | ______________/ \ | | / \+---------x---------+/ <-- 0.0000 ARP=BPA TPSCR3_GGD --------- / + \ <-- 0.104 = L2 | + | <-- 0.081 = L1 +--------------------------------------------------+ <-- 0.071 = TCR | | | | | | | | +-----------------+-------------+------------------+ <-- 0.003 = BCR +-----x-----+ <-- 0.000 BPA=ARP <-- 0.326 --> LEIAR25.R4 +-------+ <-- 0.1995 / \ +---+-------------+---+ <-- 0.1606 TCR | | |---------------------------| |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0320 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.3802 --> 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 BOP: Bottom of Pole All dimensions are in meters.