WES200USA Site Information Form (site log) International GNSS Service See Instructions at: https://files.igs.org/pub/station/general/sitelog_instr_v2.0.txt 0. Form Prepared by (full name) : Francine Coloma Date Prepared : 2023-08-25 Report Type : UPDATE If Update: Previous Site Log : wes2_20230824.log Modified/Added Sections : 1, 3.32, 3.37, 3.39, 3.40, 4.23, 5.1, 5.2, : 8.3.1, 13 1. Site Identification of the GNSS Monument Site Name : WESTFORD Nine Character ID : WES200USA Monument Inscription : IERS DOMES Number : 40440S020 CDP Number : Monument Description : STEEL TOWER Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1993-02-08T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : 2. Site Location Information City or Town : Westford State or Province : Massachusetts Country or Region : USA Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : 1492233.2470 Y coordinate (m) : -4458089.4890 Z coordinate (m) : 4296046.0350 Latitude (N is +) : +423648.01 Longitude (E is +) : -0712935.98 Elevation (m,ellips.) : 85.0 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Published by the IGS in Nov 2010. 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T146 Firmware Version : 2.8 Elevation Cutoff Setting : Date Installed : 1993-02-08T00:00Z Date Removed : 1994-07-30T00:00Z Temperature Stabiliz. : Additional Information : 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T149 Firmware Version : 2.8.32.1 Elevation Cutoff Setting : Date Installed : 1994-08-03T00:00Z Date Removed : 1994-11-23T00:00Z Temperature Stabiliz. : Additional Information : 3.3 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T109 Firmware Version : 3.0 Elevation Cutoff Setting : Date Installed : 1994-11-23T00:00Z Date Removed : 1995-01-05T18:40Z Temperature Stabiliz. : Additional Information : 3.4 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T109 Firmware Version : 3.1 (3.0.32.2) Elevation Cutoff Setting : Date Installed : 1995-01-05T18:50Z Date Removed : 1995-11-17T00:00Z Temperature Stabiliz. : Additional Information : firmware upgrade 3.5 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T109 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1995-11-17T00:00Z Date Removed : 1996-06-09T00:00Z Temperature Stabiliz. : Additional Information : 3.6 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T139 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1996-06-11T00:00Z Date Removed : 1997-05-20T00:00Z Temperature Stabiliz. : Additional Information : 3.7 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T145 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1997-05-23T00:00Z Date Removed : 1997-10-22T17:00Z Temperature Stabiliz. : Additional Information : 3.8 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T154 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1997-10-22T18:50Z Date Removed : 1998-02-02T22:50Z Temperature Stabiliz. : Additional Information : 3.9 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T160 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1998-02-05T13:24Z Date Removed : 1998-05-31T15:48Z Temperature Stabiliz. : Additional Information : 3.10 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T366 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1998-06-01T15:03Z Date Removed : 1998-06-20T01:02Z Temperature Stabiliz. : Additional Information : 3.11 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T154 Firmware Version : 3.2.32.1 Elevation Cutoff Setting : Date Installed : 1998-06-22T18:45Z Date Removed : 1999-05-31T23:59Z Temperature Stabiliz. : Additional Information : 3.12 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T154 Firmware Version : 3.2.32.8 Elevation Cutoff Setting : Date Installed : 1999-06-01T14:27Z Date Removed : 1999-08-06T14:30Z Temperature Stabiliz. : Additional Information : firmware upgrade 3.13 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T154 Firmware Version : 3.2.32.9 Elevation Cutoff Setting : Date Installed : 1999-08-06T15:03Z Date Removed : 2000-07-17T18:08Z Temperature Stabiliz. : Additional Information : Hit by lightning 3.14 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T271 Firmware Version : 3.2.32.10 Elevation Cutoff Setting : Date Installed : 2000-07-26T13:05Z Date Removed : 2000-08-30T17:00Z Temperature Stabiliz. : Additional Information : Uprgraded firmware 3.15 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T271 Firmware Version : 3.2.32.11 Elevation Cutoff Setting : Date Installed : 2000-08-30T17:00Z Date Removed : 2001-06-29T23:59Z Temperature Stabiliz. : Additional Information : lightning hit 3.16 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UZ1021 Firmware Version : ZB00 Elevation Cutoff Setting : Date Installed : 2001-07-27T00:00Z Date Removed : 2002-05-18T14:49Z Temperature Stabiliz. : Additional Information : lightning 3.17 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UZ1021 Firmware Version : ZC00 Elevation Cutoff Setting : Date Installed : 2002-06-07T18:00Z Date Removed : 2002-07-23T20:00Z Temperature Stabiliz. : Additional Information : power outage caused failure of GPS receiver : and met communications 3.18 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T325 Firmware Version : 3.2.32.11 Elevation Cutoff Setting : 4 deg Date Installed : 2002-10-10T00:00Z Date Removed : 2007-09-21T00:00Z Temperature Stabiliz. : Additional Information : 3.19 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220028502 Firmware Version : CK00 Elevation Cutoff Setting : 5 deg Date Installed : 2007-09-21T00:00Z Date Removed : 2009-04-09T12:55Z Temperature Stabiliz. : Additional Information : 3.20 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UC120034003 Firmware Version : CQ00 Elevation Cutoff Setting : 5 deg Date Installed : 2009-04-09T12:55Z Date Removed : 2009-12-01T00:00Z Temperature Stabiliz. : Additional Information : Receiver upgrade. 3.21 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 351251 Firmware Version : 7.50 Elevation Cutoff Setting : 5 deg Date Installed : 2009-12-01T00:00Z Date Removed : 2010-04-16T16:30Z Temperature Stabiliz. : Additional Information : Serial number corrected 12-15-2009. 3.22 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 351251 Firmware Version : 7.80 Elevation Cutoff Setting : 5 deg Date Installed : 2010-04-16T16:30Z Date Removed : 2010-05-05T00:00Z Temperature Stabiliz. : Additional Information : Serial number corrected 12-15-2009. 3.23 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 351251 Firmware Version : 7.80 / IME 3.019 Elevation Cutoff Setting : 0 deg Date Installed : 2010-05-05T00:00Z Date Removed : 2010-08-10T12:03Z Temperature Stabiliz. : Additional Information : added IME in firmware version 3.24 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 351251 Firmware Version : 8.00 / IME 3.019 Elevation Cutoff Setting : 0 deg Date Installed : 2010-08-10T12:03Z Date Removed : 2011-06-23T17:30Z Temperature Stabiliz. : Additional Information : added IME in firmware version 3.25 Receiver Type : LEICA GRX1200GGPRO Satellite System : GPS+GLO Serial Number : 351258 Firmware Version : 8.20/IME3.019 Elevation Cutoff Setting : 0 deg Date Installed : 2011-06-23T17:30Z Date Removed : 2014-06-25T00:00Z Temperature Stabiliz. : Additional Information : 3.26 Receiver Type : SEPT POLARX4TR Satellite System : GPS+GLO Serial Number : 3001280 Firmware Version : 2.5.2 Elevation Cutoff Setting : 0 deg Date Installed : 2014-06-25T00:00Z Date Removed : 2015-07-28T00:00Z Temperature Stabiliz. : Additional Information : 3.27 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870618 Firmware Version : 4.11/7.102 Elevation Cutoff Setting : 0 deg Date Installed : 2017-11-28T17:00Z Date Removed : 2018-03-06T18:53Z Temperature Stabiliz. : Additional Information : New receiver become full GNSS (GPS,GLO,GAL,BDS) : corrected f/w 2017-11-29 : 06-MAR-2018 firmware update 3.28 Receiver Type : LEICA GR50 Satellite System : GPS+GLO+GAL Serial Number : 1870618 Firmware Version : 4.20/7.300 Elevation Cutoff Setting : 0 deg Date Installed : 2018-03-06T18:55Z Date Removed : 2018-08-09T00:00Z Temperature Stabiliz. : Additional Information : 3.29 Receiver Type : TRIMBLE NETRS Satellite System : GPS Serial Number : 4913168924 Firmware Version : 1.3-2 Elevation Cutoff Setting : 0 deg Date Installed : 2018-08-09T00:00Z Date Removed : 2018-11-22T00:00Z Temperature Stabiliz. : Additional Information : new receiver 3.30 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3013487 Firmware Version : 5.1.2 Elevation Cutoff Setting : 0 deg Date Installed : 2018-11-22T00:00Z Date Removed : 2018-12-20T17:05Z Temperature Stabiliz. : Additional Information : new receiver : s/n on SEPT case is 4501416 : 2018-DEC-20 firmware update 3.31 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3013487 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 deg Date Installed : 2018-12-20T17:05Z Date Removed : 2019-05-16T15:00Z Temperature Stabiliz. : Additional Information : 2019-MAY-16 JPL loaner removed 3.32 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3025692 Firmware Version : 5.2.0 Elevation Cutoff Setting : 0 deg Date Installed : 2019-05-16T15:15Z Date Removed : 2020-01-31T15:10Z Temperature Stabiliz. : Additional Information : Electronic SSID used above. : s/n on SEPT case is 4502279 3.33 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3025692 Firmware Version : 5.3.0 Elevation Cutoff Setting : 0 deg Date Installed : 2020-01-31T15:20Z Date Removed : 2020-02-21T20:37Z Temperature Stabiliz. : Additional Information : Firmware update 3.34 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL Serial Number : 3025692 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-02-21T20:43Z Date Removed : 2020-12-09T16:30Z Temperature Stabiliz. : Additional Information : Receiver fail due to lightning strike` 3.35 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40020 Firmware Version : 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2021-02-26T00:00Z Date Removed : 2021-07-22T18:50Z Temperature Stabiliz. : Additional Information : 3.36 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40020 Firmware Version : 6.10/5.50 Elevation Cutoff Setting : 0 deg Date Installed : 2021-07-22T18:50Z Date Removed : 2021-10-05T00:33Z Temperature Stabiliz. : Additional Information : new firmware 3.37 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40020 Firmware Version : 6.12/5.52 Elevation Cutoff Setting : 0 deg Date Installed : 2021-10-05T00:40Z Date Removed : 2021-11-29T20:30Z Temperature Stabiliz. : Additional Information : Firmware downgrade to 5.45 version : as fault discovered with 6.12 3.38 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40020 Firmware Version : NP 6.05 / SP 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2021-11-29T20:41Z Date Removed : 2022-08-09T15:08Z Temperature Stabiliz. : Additional Information : firmware corrected 3.39 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40020 Firmware Version : NP 6.05 / SP 5.45 Elevation Cutoff Setting : 0 deg Date Installed : 2022-08-09T15:10Z Date Removed : 2023-01-27T17:40Z Temperature Stabiliz. : Additional Information : Updated receiver option to have HTTPS+Cert : capability : Firmware update 3.40 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40020 Firmware Version : NP 6.16 / SP 5.56 Elevation Cutoff Setting : 0 deg Date Installed : 2023-01-27T17:49Z Date Removed : 2023-07-07T19:40Z Temperature Stabiliz. : Additional Information : Firware update 3.41 Receiver Type : TRIMBLE ALLOY Satellite System : GPS+GLO+GAL Serial Number : 6026R40020 Firmware Version : NP 6.20 / SP 5.60 Elevation Cutoff Setting : 0 deg Date Installed : 2023-07-07T19:46Z 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 : 146 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1993-02-08T00:00Z Date Removed : 1994-07-08T00:00Z Additional Information : 4.2 Antenna Type : AOAD/M_T NONE Serial Number : 125 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1994-07-08T00:00Z Date Removed : 1994-07-30T00:00Z Additional Information : 4.3 Antenna Type : AOAD/M_T NONE Serial Number : 145 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1994-08-03T00:00Z Date Removed : 1995-08-07T00:00Z Additional Information : 4.4 Antenna Type : AOAD/M_T NONE Serial Number : 114 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1995-08-08T00:00Z Date Removed : 1995-09-01T00:00Z Additional Information : 4.5 Antenna Type : AOAD/M_T NONE Serial Number : 146 (w/single notch) 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1995-09-06T00:00Z Date Removed : 1996-03-29T00:00Z Additional Information : 4.6 Antenna Type : AOAD/M_T NONE Serial Number : 118 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-03-29T00:00Z Date Removed : 1996-06-04T00:00Z Additional Information : 4.7 Antenna Type : AOAD/M_T NONE Serial Number : 293 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-06-04T00:00Z Date Removed : 1996-06-09T00:00Z Additional Information : 4.8 Antenna Type : AOAD/M_T NONE Serial Number : 146 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-06-11T00:00Z Date Removed : 1996-07-01T00:00Z Additional Information : 4.9 Antenna Type : AOAD/M_T NONE Serial Number : 394 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-07-01T00:00Z Date Removed : 1997-05-22T00:00Z Additional Information : 4.10 Antenna Type : AOAD/M_T NONE Serial Number : 223 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1997-05-22T00:00Z Date Removed : 1997-06-30T21:48Z Additional Information : 4.11 Antenna Type : AOAD/M_T NONE Serial Number : 114 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1997-06-30T22:06Z Date Removed : 1998-05-31T15:48Z Additional Information : 4.12 Antenna Type : AOAD/M_T NONE Serial Number : 104 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1998-06-01T15:03Z Date Removed : 2000-07-17T18:08Z Additional Information : Hit by lightning 4.13 Antenna Type : AOAD/M_TA_NGS NONE Serial Number : 411 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2000-07-26T13:05Z Date Removed : 2000-08-16T12:14Z Additional Information : Antenna not working 4.14 Antenna Type : AOAD/M_T NONE Serial Number : 398 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 : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2000-08-22T17:46Z Date Removed : 2001-06-29T23:59Z Additional Information : lightning hit 4.15 Antenna Type : AOAD/M_TA_NGS NONE Serial Number : 343 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 : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2001-07-27T00:00Z Date Removed : 2014-06-24T13:20Z Additional Information : Antenna update 4.16 Antenna Type : JAVRINGANT_DM NONE Serial Number : 00476 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 : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2014-06-24T14:00Z Date Removed : 2015-07-28T00:00Z Additional Information : 4.17 Antenna Type : JAVRINGANT_DM NONE Serial Number : 00478 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 : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2017-11-28T17:00Z Date Removed : 2018-08-13T14:00Z Additional Information : 4.18 Antenna Type : TRM41249.00 NONE Serial Number : 60101140 Antenna Reference Point : BAM 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 : NONE Radome Serial Number : Antenna Cable Type : heliax Antenna Cable Length : 60 m Date Installed : 2018-08-13T14:00Z Date Removed : 2018-11-26T15:45Z Additional Information : new antenna 4.19 Antenna Type : TRM59800.00 NONE Serial Number : 5334354786 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 : NONE Radome Serial Number : Antenna Cable Type : heliax Antenna Cable Length : 60 m Date Installed : 2018-11-26T15:45Z Date Removed : 2019-05-16T15:00Z Additional Information : new antenna : 2019-MAY-16 returned JPL borrowed antenna 4.20 Antenna Type : JAVRINGANT_DM NONE Serial Number : 00448 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 : NONE Radome Serial Number : Antenna Cable Type : heliax Antenna Cable Length : 60 m Date Installed : 2019-05-16T18:30Z Date Removed : 2020-01-31T15:10Z Additional Information : Antenna change 4.21 Antenna Type : TPSCR4 NONE Serial Number : 265-0150 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 : NONE Radome Serial Number : Antenna Cable Type : heliax Antenna Cable Length : 60 m Date Installed : 2020-01-31T15:20Z Date Removed : 2020-12-09T16:30Z Additional Information : Antenna replaced, lightning strike 4.22 Antenna Type : JAVRINGANT_DM SCIS Serial Number : 00479 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 : SCIS Radome Serial Number : 2576 Antenna Cable Type : LMR-600 Antenna Cable Length : 82 m Date Installed : 2021-02-26T00:00Z Date Removed : 2021-10-28T17:30Z Additional Information : Antenna failure 4.23 Antenna Type : TWIVC6150 SCIS Serial Number : 202109220004 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 : SCIS Radome Serial Number : 2576 Antenna Cable Type : LMR-600 Antenna Cable Length : 82 m Date Installed : 2021-10-28T18:00Z Date Removed : 2023-08-14T17:00Z Additional Information : PN: 33-VC6150-14 : 2023-JUL-05 Alex and Tony perform maintenance : on antenna cable, antenna end. Remove : several inches of cable then replace TNC : connector. : 2023-AUG-14 Antenna replaced 4.24 Antenna Type : TWIVC6150 SCIS Serial Number : 202109220003 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 : SCIS Radome Serial Number : 2576 Antenna Cable Type : LMR-600 Antenna Cable Length : 82 m Date Installed : 2023-08-14T18:00Z 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 : Westford VLBI 4. 6. 6. 96-10-04 Tied Marker Usage : Tied Marker CDP Number : 7209 Tied Marker DOMES Number : 40440S003 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -26.796 dy (m) : -41.022 dz (m) : -30.476 Accuracy (mm) : 5 Survey method : Date Measured : 1996-10-04T00:00Z Additional Information : 2023-AUG-25 FSC per IGS the Accuracy (mm) value : is currently defined to be restricted to a : single value. Per IGS Markus Bradke, we shall : take an average of the NGS surveyed values of : Accuracy (mm) : 4. 6. 6.(mm) 5.2 Tied Marker Name : Westford VLBI 3. 2. 3. 2019-05 Tied Marker Usage : VLBI Tied Marker CDP Number : 7209 Tied Marker DOMES Number : 40440S003 Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : -26.785 dy (m) : -41.020 dz (m) : -30.474 Accuracy (mm) : 3 Survey method : GPS CAMPAIGN Date Measured : 2019-05-17T00:00Z Additional Information : 2023-AUG-25 FSC per IGS the Accuracy (mm) value : is currently defined to be restricted to a : single value. Per IGS Markus Bradke, we shall : take an average of the NGS surveyed values of : Accuracy (mm) : 3. 2. 3.(mm) 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 : EXTERNAL H-MASER Input Frequency : Effective Dates : 1993-02-08/1996-06-11 Notes : 6.2 Standard Type : INTERNAL Input Frequency : Effective Dates : 1996-06-11/1996-06-28 Notes : 6.3 Standard Type : EXTERNAL H-MASER Input Frequency : Effective Dates : 1996-06-28/1998-02-06 Notes : 6.4 Standard Type : INTERNAL Input Frequency : Effective Dates : 1998-02-06/1998-02-09 Notes : 6.5 Standard Type : EXTERNAL H-MASER Input Frequency : Effective Dates : 1998-02-09/1998-03-31 Notes : 6.6 Standard Type : INTERNAL Input Frequency : Effective Dates : 1998-03-31/1998-04-09 Notes : 6.7 Standard Type : EXTERNAL H-MASER Input Frequency : Effective Dates : 1998-04-09/CCYY-MM-DD Notes : 6.8 Standard Type : INTERNAL Input Frequency : Effective Dates : 2007-06-21/2009-04-07 Notes : 6.9 Standard Type : EXTERNAL H-MASER Input Frequency : 5.0 MHz Effective Dates : 2009-04-07/2014-06-24 Notes : 6.10 Standard Type : EXTERNAL H-MASER Input Frequency : 10.0 MHz Effective Dates : 2021-02-26/CCYY-MM-DD Notes : Equipment has following tags: : NR-4, DOC/NOAA 86916, NASA VLB335 : NASA 743742 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 : HUMICA H-sensor (pn 16663) Manufacturer : Vaisala Serial Number : Data Sampling Interval : 15 sec Accuracy (% rel h) : 1 Aspiration : Height Diff to Ant : Calibration date : Effective Dates : 1998-07-27/CCYY-MM-DD Notes : NOAA GSOS # XXX 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 : PTB220 Manufacturer : Vaisala Serial Number : Data Sampling Interval : 15 sec Accuracy : 0.1 hPa Height Diff to Ant : 1.1 m Calibration date : Effective Dates : 1998-07-27/CCYY-MM-DD Notes : NOAA GSOS # XXX 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 : PT 100 RTD 1/s DIN 43760B Manufacturer : Vaisala Serial Number : Data Sampling Interval : 15 sec Accuracy : 0.1 deg C Aspiration : Height Diff to Ant : Calibration date : Effective Dates : 1998-07-27/CCYY-MM-DD Notes : NOAA GSOS # XXX : Accuracy is +/- 0.1 @ 20.0C 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 : Haystack Observatory Preferred Abbreviation : MITHAYSTAK Mailing Address : Route 40 : Westford, MA 018866 Primary Contact Contact Name : Mike Poirier Telephone (primary) : 617-715-5556 Telephone (secondary) : 617-715-5554 Fax : E-mail : Mpoirier@mit.edu Secondary Contact Contact Name : Alex Burns Telephone (primary) : 617-715-5506 Telephone (secondary) : Fax : E-mail : Aburns6@mit.edu Additional Information : 12. Responsible Agency (if different from 11.) Agency : NOAA-National Geodetic Survey Preferred Abbreviation : NOAA-NGS Mailing Address : NOAA, N/NGS6, SSMC3-9111 : 1315 East-West Hwy. : Silver Spring, MD 20896, USA Primary Contact Contact Name : Don Haw Telephone (primary) : 240-533-9676 Telephone (secondary) : 240-533-9681 (Lijuan Sun) Fax : 301-713-4324 E-mail : ngs.corscollector@noaa.gov Secondary Contact Contact Name : Francine Coloma Telephone (primary) : 301-713-3242 Telephone (secondary) : Fax : E-mail : ngs.corscollector@noaa.gov Additional Information : 13. More Information Primary Data Center : https://geodesy.noaa.gov/corsdata/ Secondary Data Center : URL for More Information : https://geodesy.noaa.gov/CORS Hardcopy on File Site Map : Site Diagram : X Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions +---------------+ <-- 0.1508 | | |---------------------------| <-- 0.1218 TCR |---------------------------------| |---------------------------------------| +---------------------------------------------+ | | | | +-+---------------------------------------------+-+ +-----------------+-------------+-----------------+ <-- 0.0435 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP <-- 0.1148 --> NOM=NRP <-- 0.378 -->