UNB300CAN 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) : Richard Langley / Heather Nicholson Date Prepared : 2019-10-03 Report Type : Update If Update: Previous Site Log : unb3_20190114.log Modified/Added Sections : 3.16, 3.17. 7.2 1. Site Identification of the GNSS Monument Site Name : University of New Brunswick, Fredericton Four Character ID : UNB3 Monument Inscription : IERS DOMES Number : 40146M002 CDP Number : Monument Description : MAST Height of the Monument : Monument Foundation : WALL Foundation Depth : Marker Description : "Top" of mast on axis Date Installed : 2006-08-16T19:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Mast is fixed to penthouse wall on top of Head : Hall, UNB, Fredericton. "Top" of mast means : bottom of adapter threads. An adapter sits : between the mast and the antenna. See : diagram below. The date and time above refer to : the installation of a new (higher) adapter. The : mast and its attached antenna are shared by : UNB3, UNBJ, UNBN, and UNBT. 2. Site Location Information City or Town : Fredericton State or Province : New Brunswick Country : Canada Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : 1761288.2 Y coordinate (m) : -4078238.6 Z coordinate (m) : 4561417.8 Latitude (N is +) : +455700.75 Longitude (E is +) : -0663830.14 Elevation (m,ellips.) : 22.85 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE R7 Satellite System : GPS Serial Number : 30314 Firmware Version : 2.26 November, 04, 2005 Elevation Cutoff Setting : 10 deg Date Installed : 2006-01-11T00:00Z Date Removed : 2006-08-18T00:00Z Temperature Stabiliz. : NONE Additional Information : Receiver on short-term loan from Cansel/ : Trimble 3.2 Receiver Type : TRIMBLE R7 Satellite System : GPS Serial Number : 30314 Firmware Version : 2.28 May, 22, 2006 Elevation Cutoff Setting : 10 deg Date Installed : 2006-08-18T00:00Z Date Removed : 2006-10-10T00:00Z Temperature Stabiliz. : NONE Additional Information : Firmware Upgrade 3.3 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4626K01818 Firmware Version : 3.20 Elevation Cutoff Setting : 0 deg Date Installed : 2006-11-02T00:00Z Date Removed : 2007-07-14T00:00Z Temperature Stabiliz. : NONE Additional Information : Receiver on short-term loan from Cansel/ : Trimble 3.4 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4626K01818 Firmware Version : 3.32 Elevation Cutoff Setting : 0 deg Date Installed : 2007-07-14T00:00Z Date Removed : 2007-08-17T00:00Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade 3.5 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4626K01818 Firmware Version : 3.50 Elevation Cutoff Setting : 0 deg Date Installed : 2007-08-17T00:00Z Date Removed : 2008-02-04T00:00Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade 3.6 Receiver Type : TRIMBLE NETR5 Satellite System : GPS+GLO Serial Number : 4626K01818 Firmware Version : 3.60 Elevation Cutoff Setting : 0 deg Date Installed : 2008-02-04T00:00Z Date Removed : 2012-06-14T14:05Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. Note that the receiver also : supplies SBAS measurements and tracks the : GPS L2C signal. Receiver supllies 30-sec. : hourly and daily files as well as 1-Hz : real-time data streams in RT17 and RTCM_V3 : formats. 3.7 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 4.60 Elevation Cutoff Setting : 0 deg Date Installed : 2012-06-14T14:10Z Date Removed : 2012-08-13T15:35Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 and RTCM_V3 formats. On 2012-07-30, the : RTCM_V3 feed to BKG was switched to RT27. : This section edited 2016-05-19 to supply full : serial number. 3.8 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 4.61 Elevation Cutoff Setting : 0 deg Date Installed : 2012-08-13T15:35Z Date Removed : 2013-01-31T14:40Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). : This section edited 2016-05-19 to supply full : serial number. 3.9 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 4.70 Elevation Cutoff Setting : 0 deg Date Installed : 2013-01-31T14:40Z Date Removed : 2013-10-31T16:40Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). : This section edited 2016-05-19 to supply full : serial number. 3.10 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 4.82 Elevation Cutoff Setting : 0 deg Date Installed : 2013-10-31T16:40Z Date Removed : 2013-11-05T09:20Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). : This section edited 2016-05-19 to supply full : serial number. 3.11 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 4.81 Elevation Cutoff Setting : 0 deg Date Installed : 2013-11-05T09:20Z Date Removed : 2014-06-02T15:21Z Temperature Stabiliz. : NONE Additional Information : Firmware downgrade. The 4.82 upgrade was : premature. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). : This section edited 2016-05-19 to supply full : serial number. 3.12 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 4.85 Elevation Cutoff Setting : 0 deg Date Installed : 2014-06-02T15:21Z Date Removed : 2015-06-23T12:20Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). : This section edited 2016-05-19 to supply full : serial number. 3.13 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 5.01 Elevation Cutoff Setting : 0 deg Date Installed : 2015-06-23T12:20Z Date Removed : 2016-08-16T00:16Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). : This section edited 2016-05-19 to supply full : serial number. 3.14 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 5.14 Elevation Cutoff Setting : 0 deg Date Installed : 2016-08-16T00:24Z Date Removed : 2017-10-02T01:27Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). 3.15 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 5.30 Elevation Cutoff Setting : 0 deg Date Installed : 2017-10-02T01:27Z Date Removed : 2019-01-14T13:30Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). 3.16 Receiver Type : TRIMBLE NETR9 Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5152K81074 Firmware Version : 5.37 Elevation Cutoff Setting : 0 deg Date Installed : 2019-01-14T13:30Z Date Removed : 2019-09-30T17:06Z Temperature Stabiliz. : NONE Additional Information : Firmware upgrade. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). 3.17 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL+BDS+SBAS Serial Number : 5922R40051 Firmware Version : 5.42 Elevation Cutoff Setting : 0 deg Date Installed : 2019-09-30T17:10Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : NONE Additional Information : Receiver change. : NetR9 operation cloned for Alloy. : Receiver supplies 30-sec. hourly and daily : files as well as 1-Hz real-time data streams : in RT27 format (including an Ntrip stream to a : BKG mountpoint). 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_DD_E1 NONE Serial Number : RA0193 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2001-05-23T12:00Z Date Removed : 2006-08-16T12:00Z Additional Information : Antenna acquired in 1999; regular observations : 2001-05-23 : Antenna type listed in this section retro- : actively changed from JPSREGANT_DD_E to : JPSREGANT_DD_E1 starting with log file : unbj_20120928.log. See IGSMAIL-6662 and : IGSMAIL-6663 for details. 4.2 Antenna Type : JPSREGANT_DD_E1 NONE Serial Number : RA0193 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.227 Marker->ARP North Ecc(m) : 0 Marker->ARP East Ecc(m) : 0 Alignment from True N : 0 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2006-08-16T12:00Z Date Removed : 2012-06-01T13:45Z Additional Information : Marker->ARP changed after UNB1 was : decommissioned and a new adapter was installed : since UNB3 continued to use UNB1 : (former IGS site) coordinates, : ARP coincides with UNB1's ARP : Antenna type listed in this section retro- : actively changed from JPSREGANT_DD_E to : JPSREGANT_DD_E1 starting with log file : unbj_20120928.log. See IGSMAIL-6662 and : IGSMAIL-6663 for details. 4.3 Antenna Type : TRM57971.00 NONE Serial Number : 5311118062 Antenna Reference Point : BAM Marker->ARP Up Ecc. (m) : 0.3145 Marker->ARP North Ecc(m) : 0. Marker->ARP East Ecc(m) : 0. Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Javad Antenna Cable Length : 30 m Date Installed : 2012-06-01T14:30Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : ARP coincides with UNBJ's ARP 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 : (CCYY-MM-DD/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 : GPS, GLONASS Status : PERMANENT Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : UNB1; UNB2 7.2 Instrumentation Type : GNSS and Gravity Status : PERMANENT Effective Dates : 2007-06-27/CCYY-MM-DD Notes : UNBJ, UNB2, UNBN, UNBT, UNBD, UNBS; Canadian : Gravity Standardization Network (CGSN) AG Point : 991407. Date refers to gravity point : installation. 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 : MET3A Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 180 sec Accuracy (% rel h) : 2 Aspiration : FAN Height Diff to Ant : 1.19 m Calibration date : 2002-07-26 Effective Dates : 2003-08-01/CCYY-MM-DD Notes : Humidity sensor is 21 cm below barometer : reference height (ref: personal communication : from Paroscientific). 8.1.2 Humidity Sensor Model : MET4A-1 Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 180 sec Accuracy (% rel h) : 2 Aspiration : FAN Height Diff to Ant : 0.991 m Calibration date : 2009-04-16 Effective Dates : 2009-06-10/CCYY-MM-DD Notes : Humidity sensor is 8.5 cm above the bottom of : the solar radiation shield and 41.9 cm below : barometer reference height (ref: personal : communication from Paroscientific cited in : UNBJ's log file at http://igscb.jpl.nasa.gov : /igscb/station/log/unbj_20120601.log). Serial : number is identical to previous MET3A number. 8.1.3 Humidity Sensor Model : MET4A-1 Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 300 sec Accuracy (% rel h) : 2 Aspiration : FAN Height Diff to Ant : 0.872 m Calibration date : 2017-10-10 Effective Dates : 2017-10-10/CCYY-MM-DD Notes : Humidity sensor is 8.5 cm above the bottom of : the solar radiation shield and 41.9 cm below : barometer reference height (ref: personal : communication from Paroscientific cited in : UNBJ's log file). Serial number is identical to : previous MET3A number. 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 : MET3A Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 180 sec Accuracy : 0.08 hPa Height Diff to Ant : 1.396 m Calibration date : 2002-07-26 Effective Dates : 2003-08-01/CCYY-MM-DD Notes : Height given is barometer reference height : minus antenna reference point height (sensor : is above antenna). 8.2.2 Pressure Sensor Model : MET4A-1 Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 180 sec Accuracy : 0.08 hPa Height Diff to Ant : 1.410 m Calibration date : 2009-04-16 Effective Dates : 2009-06-10/CCYY-MM-DD Notes : Height given is barometer reference height : minus Javad antenna reference point height : (sensor is above antenna). The differences in : height between UNBJ and the MET sensors were : measured with a Trimble 5600 reflectorless EDM. : New Trimble antenna ARP is 0.0144 m above old : Javad antenna ARP. 8.2.3 Pressure Sensor Model : MET4A-1 Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 300 sec Accuracy : 0.08 hPa Height Diff to Ant : 1.291 m Calibration date : 2017-10-10 Effective Dates : 2017-10-10/CCYY-MM-DD Notes : Height is given as barometer reference height : minus Trimble antenna reference point height : (sensor is above antenna). The differences in : height between UNBJ and the MET sensors were : measured with a Trimble S9 HP reflectorless EDM. 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 : MET3A Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 180 sec Accuracy : 0.1 deg C Aspiration : FAN Height Diff to Ant : 1.19 m Calibration date : 2002-07-26 Effective Dates : 2003-08-01/CCYY-MM-DD Notes : Temperature sensor is 21 cm below barometer : reference height (ref: personal communication : from Paroscientific). 8.3.2 Temp. Sensor Model : MET4A-1 Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 180 sec Accuracy : 0.2 deg C Aspiration : FAN Height Diff to Ant : 0.991 m Calibration date : 2009-04-16 Effective Dates : 2009-06-10/CCYY-MM-DD Notes : Temperature sensor is 8.5 cm above the bottom : of the solar radiation shield and 41.9 cm : below barometer reference height (ref: personal : communication from Paroscientific). 8.3.3 Temp. Sensor Model : MET4A-1 Manufacturer : Paroscientific Serial Number : 84221 Data Sampling Interval : 300 sec Accuracy : 0.2 deg C Aspiration : FAN Height Diff to Ant : 0.872 m Calibration date : 2017-10-10 Effective Dates : 2017-10-10/CCYY-MM-DD Notes : Temperature sensor is 8.5 cm above the bottom : of the solar radiation shield and 41.9 cm : below barometer reference height (ref: personal : communication from Paroscientific). 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) 8.4.1 Water Vapor Radiometer : WVR-1100 Manufacturer : Radiometrics Corporation Serial Number : 47 Distance to Antenna : 40.38 m Height Diff to Ant : 1.21 m Calibration date : 2003-04-01 Effective Dates : 2003-05-01/CCYY-MM-DD Notes : The distance to the UNBJ antenna is the (slant) : distance from the centre of the elevation : mirror to UNBJ's old ARP (Javad antenna). The : distance and height were measured using a : Trimble 5600 reflectorless EDM. : WVR is no longer functional. Date of demise : unknown. 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 : University of New Brunswick Preferred Abbreviation : UNB Mailing Address : Dept. GGE, UNB, Fredericton, NB E3B5A3 Primary Contact Contact Name : Prof. Richard B. Langley Telephone (primary) : +1 506 453-5142 Telephone (secondary) : +1 506 453-4698 Fax : +1 506 453-4943 E-mail : lang@unb.ca Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : 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 : CDDIS Secondary Data Center : BKG URL for More Information : www2.unb.ca/gge/Resources/UNBJ&UNB1.html Hardcopy on File Site Map : Site Diagram : (Y) Horizon Mask : (Y) Monument Description : (Y) Site Pictures : http:// Additional Information : UNB3 shared UNB1's antenna and continues to : share UNBJ's antenna. A new antenna adapter : was installed on 16 August 2006 to raise the : antenna above the new parapet on the roof. A : new DOMES number and 4-character ID were : obtained, referring to the on-axis point where : the mast meets the adapter. The position of : UNBJ ARP was approximately 0.227 m above UNB1 : ARP with Javad antenna. Antenna changed to : TRM57971.00 on 1 June 2012. Note new : top-of-mast to ARP/BAM value in graphic below. : Previous Javad antenna was likely not : JPSREGANT_DD_E but rather the JPSREGANT_DD_E1 : variant with an estimated 18 mm vertical PCO : with respect to JPSREGANT_DD_E. Antenna Graphics with Dimensions TRM57971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / <-- \ / --> 0.3396 Notches \-----+-----/ <-------+-----+ <-- 0.0000 BAM=ARP | | | | | | | | | | | | | | | | | | 0.241m | | | | | | | | 0.3145m New Adapter => | | | | | | | | UNB1 ARP => | x | <-------+ | | | | | | | | | | | | | Top of mast --> +-----------+ <-------------+ ARP: Antenna Reference Point BAM: Bottom of Antenna Mount