International GPS Service WTZZ Site Information Form See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Rudi Stoeger Date Prepared : 2005-05-07 Report Type : UPDATE If Update: Previous Site Log : wtzz_20040312.log Modified/Added Sections : 1., 2., 3.8, 3.9, 5.1, 5.2, : 5.3, 5.4, 5.5, 5.6, 5.7, : 5.8, 5.9, 5.10, 7.15, 7.16, : 7.17, 7.18, 7.19, 7.20, 7.21, : 7.22, 7.23, 7.24, 11, 13. 1. Site Identification of the GNSS Monument Site Name : Wettzell / Germany Four Character ID : WTZZ Monument Inscription : Pillar 1205 IERS DOMES Number : 14201M014 CDP Number : Monument Description : STEEL PLATE ON CONCRETE SURVEY TOWER Height of the Monument : 0.8 Monument Foundation : SCREW ANCHORED TO CONCRETE SURVEY TOWER Foundation Depth : Marker Description : STEEL REFERENCE SURVEY MARKER 1205 Date Installed : 1999-02-01T12:00Z Geologic Characteristic : Bedrock Bedrock Type : Cordirit-Silimanit-Gneiss Bedrock Condition : Weathered Fracture Spacing : 50-200 cm and over 200 cm Fault zones nearby : NO Distance/activity : Additional Information : The antenna is 7.5 m above the : ground. : In addition and parallel a : TPS E_GGD GPS+GLONASS, Four : Character ID WTZR, IGS Reference : Frame Station, on pillar 1202, : Domes No. 14201M010, a : TRIMBLE 4000SSI, Four character : ID WTZT, on pillar 1201, Domes No. : 14201M011, an ASHTECH Z-XII3T : Metronome, Four character ID WTZA, : on pillar 1204, Domes No. 14201M013, : and a JPS LEGACY GPS+GLONASS, Four : character ID WTZJ, on pillar : 1203, Domes No. 14201M012, : are observing. : Prior we observed here in the : Fundamentalstation Wettzell with a : TI-4100, a MiniMac 2816 AT, a : Rogue SNR-800, our # 1200, Four : Character ID WETT, Domes No. : 14201M009, and a 3SNAV R101 GPS+GLONASS, : Four character ID WTZG. : Further informations and effective date : see sections 5 and 7. 2. Site Location Information City or Town : Koetzting State or Province : Bavaria Country : Germany Tectonic Plate : Eurasian Approximate Position (ITRF) X coordinate (m) : 4075579.5619 Y coordinate (m) : 931852.9730 Z coordinate (m) : 4801568.9600 Latitude (N is +) : +490839.16 Longitude (E is +) : +0125244.05 Elevation (m,ellips.) : 00665.9 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : Firmware Version : V5100 Elevation Cutoff Setting : 0 Date Installed : 1999-02-01T12:00Z Date Removed : 1999-08-17T10:00Z Temperature Stabiliz. : 2.0 Additional Information : ASHTECH has not assigned : a serial number for this : receiver. 3.2 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : Firmware Version : V6400 Elevation Cutoff Setting : 0 Date Installed : 1999-08-17T10:00Z Date Removed : 2001-05-15T12:00Z Temperature Stabiliz. : 2.0 Additional Information : ASHTECH has not assigned : a serial number for this : receiver. 3.3 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : Firmware Version : 0065 Elevation Cutoff Setting : 0 Date Installed : 2001-05-15T12:00Z Date Removed : 2001-11-19T00:00Z Temperature Stabiliz. : 2.0 Additional Information : ASTECH has not assigned : a serial number for this : receiver. 3.4 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : ZX00109 Firmware Version : 0065 Elevation Cutoff Setting : 0 Date Installed : 2001-11-27T16:00Z Date Removed : 2002-01-14T07:30Z Temperature Stabiliz. : 2.0 Additional Information : ASHTECH Z18 on loan from : ppmgmbh Precise Management : GmbH and the Magellan GPS : Corp. United Kingdom during : the repair of our own : ASHTECH Z18. 3.5 Receiver Type : ASHTECH Z18 Satellite System : GPS+GLONASS Serial Number : ZX00111 Firmware Version : 0065 Elevation Cutoff Setting : 0 Date Installed : 2002-01-14T07:30Z Date Removed : 2003-06-10T11:00Z Temperature Stabiliz. : 2.0 Additional Information : P/N 800306 R3 3.6 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : AGL2LHV3MXO Firmware Version : 2.2 Jun,13,2002 p3 Elevation Cutoff Setting : 0 Date Installed : 2003-06-10T11:00Z Date Removed : 2003-10-17T08:30Z Temperature Stabiliz. : 2.0 Additional Information : Additional Number : 235-0281 on the type level. 3.7 Receiver Type : JPS LEGACY Satellite System : GPS+GLONASS Serial Number : AGL2LHV3MXO Firmware Version : 2.3p2 Elevation Cutoff Setting : 0 Date Installed : 2003-10-17T08:30Z Date Removed : 2003-11-06T06:00Z Temperature Stabiliz. : 2.0 Additional Information : /par/lock/notvis switched : to "on". : Additional Number : 235-0281 on the type level. 3.8 Receiver Type : JPS E_GGD Satellite System : GPS+GLONASS Serial Number : AGL2LHV3XMO Firmware Version : 2.3 Aug,01,2003 p2 Elevation Cutoff Setting : 0 Date Installed : 2003-11-06T06:00Z Date Removed : 2005-05-04T10:00Z Temperature Stabiliz. : 2.0 Additional Information : No actual change in : equipment took place, : only download software. : /par/lock/notvis switched : to "on". : And Serial Number corrected : to AGL2LHV3XMO. : Additional Number : 235-0281 on the type level. 3.9 Receiver Type : TPS E_GGD Satellite System : GPS+GLONASS Serial Number : AGL2LHV3XMO Firmware Version : 2.3 Aug,01,2003 p2 Elevation Cutoff Setting : 0 Date Installed : 2005-05-04T10:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : 2.0 Additional Information : No actual change in : equipment took place, : only download software. : /par/lock/notvis switched : to "on". : Additional Number : 235-0281 on the type level. 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) Serial Number : (A5) 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 : ASH701073.1 SNOW Serial Number : CRG0106 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.0640 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : RG 214 Antenna Cable Length (m) : 30 Date Installed : 1998-10-18T00:00Z Date Removed : 2003-06-10T11:00Z Additional Information : 4.2 Antenna Type : TPSCR3_GGD CONE Serial Number : 217-0112 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.2150 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : CONE Radome Serial Number : Antenna Cable Type : RG 214 Antenna Cable Length (m) : 30 Date Installed : 2003-06-10T11:00Z 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 : VLBI Ref Point Tied Marker Usage : VLBI Tied Marker CDP Number : 7224 Tied Marker DOMES Number : 14201S004 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -39.6740 dy (m) : -117.7099 dz (m) : +60.4149 Accuracy (mm) : 1.3 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : 5.2 Tied Marker Name : SLR WLRS Tied Marker Usage : SLR Tied Marker CDP Number : 8834 Tied Marker DOMES Number : 14201S018 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -2.7005 dy (m) : -67.5152 dz (m) : +14.6118 Accuracy (mm) : 0.6 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : 5.3 Tied Marker Name : TIGO VLBI Tied Marker Usage : VLBI Tied Marker CDP Number : 759324012 Tied Marker DOMES Number : 14201S100 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -7.7740 dy (m) : -98.0558 dz (m) : +14.3448 Accuracy (mm) : 0.9 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : 5.4 Tied Marker Name : TIGO SLR Tied Marker Usage : SLR Tied Marker CDP Number : 75947901 Tied Marker DOMES Number : 14201M200 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : +15.4802 dy (m) : -120.0218 dz (m) : -1.3882 Accuracy (mm) : 1.5 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : 5.5 Tied Marker Name : 1200 ROGUE SNR-800 = WETT Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 14201M009 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -0.9817 dy (m) : -0.2944 dz (m) : +1.0882 Accuracy (mm) : 1 Survey method : TRIANGULATION Date Measured : 1995-02-13T15:00Z Additional Information : 5.6 Tied Marker Name : 1202 TPS E_GGD = WTZR Tied Marker Usage : GPS+GLONASS Tied Marker CDP Number : Tied Marker DOMES Number : 14201M010 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : +1.1233 dy (m) : +0.6866 dz (m) : -0.9058 Accuracy (mm) : 0.4 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : IGS Reference Frame Station 5.7 Tied Marker Name : 1201 TRIMBLE 4000SSI = WTZT Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 14201M011 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -1.9479 dy (m) : +2.3083 dz (m) : +1.2515 Accuracy (mm) : 0.4 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : 5.8 Tied Marker Name : 1203 JPS LEGACY = WTZJ Tied Marker Usage : GPS+GLONASS Tied Marker CDP Number : Tied Marker DOMES Number : 14201M012 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : +0.4575 dy (m) : +2.2556 dz (m) : -0.7776 Accuracy (mm) : 0.4 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : 5.9 Tied Marker Name : 1204 ASHTECH Z-XII3T = WTZA Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 14201M013 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -1.0676 dy (m) : -0.3150 dz (m) : +0.9858 Accuracy (mm) : 0.4 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z Additional Information : 5.10 Tied Marker Name : 1206 LEICA GRX1200PRO = WTZL Tied Marker Usage : GPS Tied Marker CDP Number : Tied Marker DOMES Number : 14201M022 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -1.5194 dy (m) : +0.9934 dz (m) : +1.0598 Accuracy (mm) : 0.4 Survey method : TRIANGULATION Date Measured : 2004-10-01T10:00Z 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) : dy (m) : dz (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 : 1999-02-01/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 7.1 Instrumentation Type : SLR WLRS (8834) Status : PERMANENT Effective Dates : 1988-01-01/CCYY-MM-DD Notes : 7.2 Instrumentation Type : SLR (7834) Status : PERMANENT Effective Dates : 1977-01-01/1991-12-31 Notes : 7.3 Instrumentation Type : SLR MTLRS 1 Status : MOBILE Effective Dates : 1984-01-01/1997-12-31 Notes : 7.4 Instrumentation Type : VLBI (7224) Status : PERMANENT Effective Dates : 1983-01-01/CCYY-MM-DD Notes : 7.5 Instrumentation Type : LLR (WLRS) Status : PERMANENT Effective Dates : 1991-01-01/CCYY-MM-DD Notes : 7.6 Instrumentation Type : TIGO VLBI Status : PERMANENT / MOBIL Effective Dates : 1997-01-01/2001-12-01 Notes : TIGO Transportable Integrated : Geodetc Observatory 7.7 Instrumentation Type : TIGO SLR Status : PERMANENT / MOBIL Effective Dates : 1997-01-01/2001-12-01 Notes : TIGO Transportable Integrated : Geodetic Observatory 7.8 Instrumentation Type : PRARE Status : PERMANENT Effective Dates : 1994-01-01/CCYY-MM-DD Notes : 7.9 Instrumentation Type : Super Conducting Gravimeter Status : PERMANENT Effective Dates : 1989-01-01/CCYY-MM-DD Notes : 7.10 Instrumentation Type : Very Broad Band Seismograph Status : PERMANENT Effective Dates : 1991-01-01/CCYY-MM-DD Notes : 7.11 Instrumentation Type : Transit (NNSS-DMA Doppler) Status : PERMANENT Effective Dates : 1984-01-01/1993-12-31 Notes : 7.12 Instrumentation Type : TI-4100 GPS Status : PERMANENT Effective Dates : 1987-11-12/1989-07-27 Notes : CIGNET GPS Station 7.13 Instrumentation Type : MiniMac 2816 AT GPS Status : PERMANENT Effective Dates : 1989-05-23/1991-07-23 Notes : CIGNET GPS Station 7.14 Instrumentation Type : ROGUE SNR-800 GPS WETT # 1200 Status : PERMANENT Effective Dates : 1991-07-23/1997-02-02 Notes : CIGNET / CORE / IGS Station 7.15 Instrumentation Type : TRIMBLE 4000SSI WTZT # 1201 Status : PERMANENT Effective Dates : 1997-02-06/CCYY-MM-DD Notes : 7.16 Instrumentation Type : ROGUE SNR-8000 GPS WTZR # 1202 Status : PERMANENT Effective Dates : 1995-02-09/1999-06-17 Notes : IGS Referece Frame Station 7.17 Instrumentation Type : AOA SNR-8000 ACT GPS WTZR # 1202 Status : PERMANENT Effective Dates : 1999-06-17/2005-05-04 Notes : IGS Reference Frame Station 7.18 Instrumentation Type : TPS E_GGD GPS+GLONASS WTZR # 1202 Status : PERMANENT Effective Dates : 2005-05-04/CCYY-MM-DD Notes : IGS Reference Frame Station 7.19 Instrumentation Type : 3SNAV R101 OLD GPS+GLONASS WTZG # 1203 Status : PERMANENT Effective Dates : 1998-10-14/1999-09-04 Notes : 7.20 Instrumentation Type : JPS LEGACY GPS+GLONASS WTZJ # 1203 Status : PERMANENT Effective Dates : 2001-07-03/CCYY-MM-DD Notes : 7.21 Instrumentation Type : ASHTECH Z-XII3 GPS WTZA # 1204 Status : PERMANENT Effective Dates : 1997-11-25/2001-11-08 Notes : 7.22 Instrumentation Type : ASHTECH Z-XII3T GPS WTZA # 1204 Status : PERMANENT Effective Dates : 2001-11-08/CCYY-MM-DD Notes 7.23 Instrumentation Type : LEICA GRX1200PRO GPS WTZL # 1206 Status : PERMANENT Effective Dates : 2004-03-23/CCYY-MM-DD Notes 7.24 Instrumentation Type : Ringlaser Gyroscope Status : PERMANENT Effective Dates : 2001-09-01/CCYY-MM-DD Notes 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 : 809 Manufacturer : Lamprecht, Goettingen Serial Number : Data Sampling Interval : 900 Accuracy (% rel h) : 1.5 Aspiration : PERNIX element Height Diff to Ant : 0 Calibration date : (CCYY-MM-DD) Effective Dates : 1987-01-01/CCYY-MM-DD Notes : Meteorological data Site WTZR 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 : DIGIQUARZ MODEL 740 Manufacturer : Parascientific Inc. Serial Number : Data Sampling Interval : 900 Accuracy (hPa) : 0.1 Height Diff to Ant : 10.5 Calibration date : (CCYY-MM-DD) Effective Dates : 1987-01-01/CCYY-MM-DD Notes : Meteorological data Site WTZR. : The Pressure Modul is 10.5 m : below the antenna. 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 : 809 Manufacturer : Lamprecht, Goettingen Serial Number : Data Sampling Interval : 900 Accuracy (deg C) : 0.3 Aspiration : PLATINUM PROBE Height Diff to Ant : 0 Calibration date : (CCYY-MM-DD) Effective Dates : 1987-01-01/CCYY-MM-DD Notes : Meteorological data Site WTZR 8.3.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) 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) 8.4.1 Water Vapor Radiometer : CTGR129502 Manufacturer : Captec, Bern / ETH, Zuerich Serial Number : Distance to Antenna : 27 Height Diff to Ant : 1 Cailbration date : (CCYY-MM-DD) Effective Dates : 1997-04-15/CCYY-MM-DD Notes : 8.5.1 Other Instrumentation : 8.5.x Other Instrumentation : 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degredations : (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/BUILDLINGS/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 : Fundamentalstation Wettzell Preferred Abbreviation : BKG Mailing Address : Bundesamt fuer Kartographie : und Geodaesie : Fundamentalstation Wettzell : D-93444 Koetzting : Germany Primary Contact Contact Name : Dr. Wolfgang Schlueter Telephone (primary) : (0049)-9941-603107 Telephone (secondary) : (0049)-9941-6030 Fax : (0049)-9941-603222 E-mail : schlueter@wettzell.ifag.de Secondary Contact Contact Name : Rudi Stoeger Telephone (primary) : (0049)-9941-603114 Telephone (secondary) : (0049)-9941-6030 Fax : (0049)-9941-603222 E-mail : schlueter@wettzell.ifag.de Additional Information : Klaus Roettcher : (0049-9941-603115) : roettcher@wettzell.ifag.de : Uwe Hessels : (0049)-9941-603204 : uwe.hessels@bkg.bund.de 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 : BKGI Secondary Data Center : OLG URL for More Information : www.bkg.bund.de, www.wettzell.ifag.de Hardcopy on File Site Map : (Y or URL) Site Diagram : Y Horizon Mask : Y Monument Description : Y Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions ASH701073.1 from 1998-10-18 until 2003-06-10 with white conical Radome SNOW +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1020 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0380 +-------------------+-------------+--------------------+ <-- 0.0350 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- ? --> TPSCR3_GGD from 2003-06-10 with white conical Dome CONE --------- / + \ <-- 0.104 L2 | + | <-- 0.081 L1 +--------------------------------------------------+ <-- 0.071 TCR | | | | | | | | +-----------------+-------------+------------------+ <-- 0.003 BCR +-----x-----+ <-- 0.000 BPA=ARP <-- 0.326 --> 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 All dimensions are in meters.