CHAB 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) : Susan Jeffries Date Prepared : 2022-05-12 Report Type : UPDATE If Update: Previous Site Log : chab_20130917.log Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : CHAB_BARD_CN1991 Four Character ID : CHAB Monument Inscription : IERS DOMES Number : CDP Number : (A4) Monument Description : DEEP-DRIVEN ROD BRACED Height of the Monument : (m) Monument Foundation : UNKNOWN Foundation Depth : (m) Marker Description : UNKNOWN Date Installed : 1991-09-12 Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : (YES/NO/Name of the zone) Distance/activity : (multiple lines) Additional Information : *Station has been closed* 2. Site Location Information City or Town : San Leandro State or Province : California Country : USA Tectonic Plate : North America Approximate Position (ITRF) X coordinate (m) : -2685745.0324 Y coordinate (m) : -4278240.7478 Z coordinate (m) : 3881399.4895 Latitude (N is +) : +374326.81 Longitude (E is +) : -1220709.52 Elevation (m,ellips.) : 213.9726 Additional Information : ARP ITRF96 POSITION (EPOCH 1997.0) computed in : Jul. 1998 using 15 days of data. 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 830 Firmware Version : 5F Elevation Cutoff Setting : 0 deg Date Installed : 1991-08-26T00:00Z Date Removed : 1991-12-17T00:00Z Temperature Stabiliz. : none Additional Information : Firmware change. 3.2 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 830 Firmware Version : 6F22 Elevation Cutoff Setting : 0 deg Date Installed : 1991-12-18T00:00Z Date Removed : 1992-06-02T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.3 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 107 Firmware Version : 7A24 Elevation Cutoff Setting : 0 deg Date Installed : 1992-06-03T00:00Z Date Removed : 1992-06-04T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.4 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 763 Firmware Version : 7A24 Elevation Cutoff Setting : 0 deg Date Installed : 1992-06-05T00:00Z Date Removed : 1992-06-09T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.5 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 225 Firmware Version : 6GP4 Elevation Cutoff Setting : 0 deg Date Installed : 1992-06-10T00:00Z Date Removed : 1992-06-24T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.6 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 107 Firmware Version : 7A Elevation Cutoff Setting : 0 deg Date Installed : 1992-06-26T00:00Z Date Removed : 1992-06-28T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.7 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 830 Firmware Version : 6F22 Elevation Cutoff Setting : 0 deg Date Installed : 1992-06-29T00:00Z Date Removed : 1992-07-14T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.8 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 361 Firmware Version : 6GP4 Elevation Cutoff Setting : 0 deg Date Installed : 1992-07-15T00:00Z Date Removed : 1992-07-29T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.9 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 108 Firmware Version : 7A24 Elevation Cutoff Setting : 0 deg Date Installed : 1992-07-30T00:00Z Date Removed : 1992-10-06T00:00Z Temperature Stabiliz. : none Additional Information : Firmware change. 3.10 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 108 Firmware Version : 6M24 Elevation Cutoff Setting : 0 deg Date Installed : 1992-10-07T00:00Z Date Removed : 1993-07-12T00:00Z Temperature Stabiliz. : none Additional Information : Firmware change. 3.11 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 108 Firmware Version : 7A26 Elevation Cutoff Setting : 0 deg Date Installed : 1993-07-13T00:00Z Date Removed : 1993-12-02T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.12 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 762 Firmware Version : 7A26 Elevation Cutoff Setting : 0 deg Date Installed : 1993-12-03T00:00Z Date Removed : 1993-12-17T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.13 Receiver Type : ASHTECH LM-XII3 Satellite System : GPS Serial Number : 108 Firmware Version : 7A26 Elevation Cutoff Setting : 0 deg Date Installed : 1993-12-18T00:00Z Date Removed : 1995-04-10T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.14 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 591 Firmware Version : 1E00 Elevation Cutoff Setting : 0 deg Date Installed : 1995-04-10T00:00Z Date Removed : 1995-07-19T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.15 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 143 Firmware Version : 1E24 Elevation Cutoff Setting : 0 deg Date Installed : 1995-07-19T00:00Z Date Removed : 1995-08-15T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.16 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 591 Firmware Version : 1E00 Elevation Cutoff Setting : 0 deg Date Installed : 1995-08-16T00:00Z Date Removed : 1996-09-13T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.17 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 143 Firmware Version : 1E95 Elevation Cutoff Setting : 0 deg Date Installed : 1996-11-14T00:00Z Date Removed : 1996-12-02T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.18 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 141 Firmware Version : 1E95 Elevation Cutoff Setting : 0 deg Date Installed : 1996-12-02T00:00Z Date Removed : 1998-07-14T00:00Z Temperature Stabiliz. : none Additional Information : Firmware change. 3.19 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 141 Firmware Version : 1I00 Elevation Cutoff Setting : 0 deg Date Installed : 1998-08-23T00:00Z Date Removed : 1998-08-27T00:00Z Temperature Stabiliz. : none Additional Information : Firmware change. 3.20 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 141 Firmware Version : CB00 Elevation Cutoff Setting : 0 deg Date Installed : 1998-09-02T00:00Z Date Removed : 1999-08-11T00:00Z Temperature Stabiliz. : none Additional Information : Firmware change. 3.21 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 141 Firmware Version : CC00 Elevation Cutoff Setting : 0 deg Date Installed : 1999-08-12T00:00Z Date Removed : 1999-09-07T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.22 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 809 Firmware Version : CD00 Elevation Cutoff Setting : 0 deg Date Installed : 1999-09-27T00:00Z Date Removed : 2001-01-20T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.23 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 579 Firmware Version : CC00 Elevation Cutoff Setting : 0 deg Date Installed : 2001-02-02T00:00Z Date Removed : 2004-09-21T00:00Z Temperature Stabiliz. : none Additional Information : Receiver removed. 3.24 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : 600 Firmware Version : CD00 Elevation Cutoff Setting : 0 deg Date Installed : 2004-09-23T00:00Z Date Removed : 2005-05-10T00:00Z Temperature Stabiliz. : none Additional Information : Receiver swap. 3.25 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4451241711 Firmware Version : 1.1-2 Elevation Cutoff Setting : 0 deg Date Installed : 2005-05-10T00:00Z Date Removed : 2007-03-06T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.26 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4549261271 Firmware Version : 1.1-2 Elevation Cutoff Setting : 0 deg Date Installed : 2007-03-06T00:00Z Date Removed : 2010-07-13T18:04Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.27 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4549261271 Firmware Version : 1.3-0 Elevation Cutoff Setting : 0 deg Date Installed : 2010-07-13T18:04Z Date Removed : 2013-03-12T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 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 : ASH700228D NONE Serial Number : 1058 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1991-08-26T00:00Z Date Removed : 1991-09-12T00:00Z Additional Information : Antenna removed. 4.2 Antenna Type : ASH700228A NONE Serial Number : 0718 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1991-09-12T00:00Z Date Removed : 1991-10-07T00:00Z Additional Information : Antenna removed. 4.3 Antenna Type : ASH700228D NONE Serial Number : 1058 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1991-10-08T00:00Z Date Removed : 1991-10-09T00:00Z Additional Information : Antenna removed. 4.4 Antenna Type : ASH700228A NONE Serial Number : 0718 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1991-10-10T00:00Z Date Removed : 1992-06-02T00:00Z Additional Information : Antenna removed. 4.5 Antenna Type : ASH700228D NONE Serial Number : 031 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-06-03T00:00Z Date Removed : 1992-06-04T00:00Z Additional Information : Antenna removed. 4.6 Antenna Type : ASH700228A NONE Serial Number : 1026 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-06-05T00:00Z Date Removed : 1992-06-09T00:00Z Additional Information : Antenna removed. 4.7 Antenna Type : ASH700228A NONE Serial Number : 733 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-06-10T00:00Z Date Removed : 1992-06-24T00:00Z Additional Information : Antenna removed. 4.8 Antenna Type : ASH700228D NONE Serial Number : 031 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-06-26T00:00Z Date Removed : 1992-06-28T00:00Z Additional Information : Antenna removed. 4.9 Antenna Type : ASH700228A NONE Serial Number : 1027 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-06-29T00:00Z Date Removed : 1992-07-14T00:00Z Additional Information : Antenna removed. 4.10 Antenna Type : ASH700228A NONE Serial Number : 614 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-07-15T00:00Z Date Removed : 1992-07-29T00:00Z Additional Information : Antenna removed. 4.11 Antenna Type : ASH700228A NONE Serial Number : 1026 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1992-07-30T00:00Z Date Removed : 1993-12-02T00:00Z Additional Information : Antenna removed. 4.12 Antenna Type : ASH700228A NONE Serial Number : 0745 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1993-12-03T00:00Z Date Removed : 1993-12-17T00:00Z Additional Information : Antenna removed. 4.13 Antenna Type : ASH700228A NONE Serial Number : 1026 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1993-12-18T00:00Z Date Removed : 1995-04-10T00:00Z Additional Information : Antenna removed. 4.14 Antenna Type : ASH700228D NONE Serial Number : 1058 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1995-04-10T00:00Z Date Removed : 1995-08-15T00:00Z Additional Information : Antenna removed. 4.15 Antenna Type : ASH700228A NONE Serial Number : 0745 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : NONE Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1995-08-16T00:00Z Date Removed : 1996-04-07T23:59Z Additional Information : Antenna replaced; monument is top of pipe, : screwed into antenna base. 4.16 Antenna Type : ASH700936D_M CAFG Serial Number : CR12845 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : -0.0035 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : CAFG Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1996-04-09T00:00Z Date Removed : 1998-08-27T00:00Z Additional Information : Antenna adapter replaced; should be exact size : of previous adapter. 4.17 Antenna Type : ASH700936D_M CAFG Serial Number : CR12845 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : -0.0035 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : CAFG Radome Serial Number : N/A Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1998-09-02T00:00Z Date Removed : 2009-04-13T00:00Z Additional Information : (multiple lines) 4.18 Antenna Type : ASH700936D_M SCIS Serial Number : 700936 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : -0.0035 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : deg Antenna Radome Type : SCIS Radome Serial Number : 0266 Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2009-04-13T00:00Z Date Removed : 2013-03-12T00:00Z Additional Information : (multiple lines) 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 : 1998-09-02/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 : NONE Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DDThh:mmZ) Notes : (multiple lines) 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.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 : UNAVCO Preferred Abbreviation : UNAVCO Mailing Address : : : : Boulder CO USA 80301 Primary Contact Contact Name : Karl Feaux Telephone (primary) : 303-381-7556 Telephone (secondary) : Fax : 303-381-7552 E-mail : feaux@unavco.org Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 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 : (multiple lines) 13. More Information Primary Data Center : UNAVCO Boulder Facility Archive Secondary Data Center : URL for More Information : https://www.unavco.org 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 ASH700936A_M ASH700936B_M ASH700936C_M ASH700936D_M ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 BPA=ARP <-- 0.381 --> 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