CHOF00JPN 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) : Oliver Montenbruck (DLR) Date Prepared : 2021-12-27 Report Type : Update If Update: Previous Site Log : chof_20201211.log Modified/Added Sections : 11,12 1. Site Identification of the GNSS Monument Site Name : Chofu, Japan Nine Character ID : CHOF00JPN Monument Inscription : IERS DOMES Number : 21788M001 CDP Number : Monument Description : MAST Height of the Monument : Monument Foundation : WALL Foundation Depth : Marker Description : NONE Date Installed : 2010-09-17T08:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : The station is located at JAXA's Chofu : Aerospace Center near Tokyo. : Two receivers are jointly operated from a : common antenna via an active 4-way power : splitter. : The other receiver (TopCon Net-G3) is part : of the EVnet network of DLR's Institute of : Communication and Navigation 2. Site Location Information City or Town : Chofu State or Province : Country or Region : JPN Tectonic Plate : NORTH AMERICAN Approximate Position (ITRF) X coordinate (m) : -3946216.7100 Y coordinate (m) : 3366689.8300 Z coordinate (m) : 3698971.6900 Latitude (N is +) : +354028.36 Longitude (E is +) : +1393151.80 Elevation (m,ellips.) : 93.9 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : JAVAD TRE_G2T DELTA Satellite System : GPS+GAL+SBAS Serial Number : 00016 Firmware Version : 3.1.0b3 Elevation Cutoff Setting : 5 deg Date Installed : 2009-08-17T15:00Z Date Removed : 2010-01-27T16:00Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.2 Receiver Type : JAVAD TRE_G2T DELTA Satellite System : GPS+GAL+SBAS Serial Number : 00016 Firmware Version : 3.1.2 Elevation Cutoff Setting : 5 deg Date Installed : 2010-01-27T16:00Z Date Removed : 2010-03-10T15:30Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.3 Receiver Type : JAVAD TRE_G2T DELTA Satellite System : GPS+GAL+SBAS Serial Number : 00016 Firmware Version : 3.1.5b0 Elevation Cutoff Setting : 5 deg Date Installed : 2010-03-10T15:30Z Date Removed : 2010-04-20T12:15Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.4 Receiver Type : JAVAD TRE_G2T DELTA Satellite System : GPS+GAL+SBAS Serial Number : 00016 Firmware Version : 3.1.6b1 Elevation Cutoff Setting : 5 deg Date Installed : 2010-04-20T12:15Z Date Removed : 2010-11-29T02:30Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.5 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.0a0_Q1 Elevation Cutoff Setting : 5 deg Date Installed : 2010-11-29T02:30Z Date Removed : 2011-01-28T18:00Z Temperature Stabiliz. : Additional Information : New receiver and QZSS extension; : Multipath mitigation enabled 3.6 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.0a3 Elevation Cutoff Setting : 5 deg Date Installed : 2011-01-28T18:00Z Date Removed : 2011-02-11T11:00Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.7 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.0a3_qzss3 Elevation Cutoff Setting : 5 deg Date Installed : 2011-02-11T11:00Z Date Removed : 2011-07-18T08:00Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.8 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.0a3_qzss7 Elevation Cutoff Setting : 5 deg Date Installed : 2011-07-18T08:00Z Date Removed : 2011-12-13T12:45Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.9 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.0 Elevation Cutoff Setting : 5 deg Date Installed : 2011-12-13T12:45Z Date Removed : 2011-12-23T10:30Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.10 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.1b0 Elevation Cutoff Setting : 5 deg Date Installed : 2011-12-23T10:30Z Date Removed : 2012-06-19T16:45Z Temperature Stabiliz. : Additional Information : Multipath mitigation enabled 3.11 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.1b0 Elevation Cutoff Setting : 5 deg Date Installed : 2012-06-19T16:45Z Date Removed : 2012-12-07T09:00Z Temperature Stabiliz. : Additional Information : Deactivated multipath mitigation 3.12 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.7b2_E19 Elevation Cutoff Setting : 5 deg Date Installed : 2012-12-07T09:00Z Date Removed : 2012-12-27T10:05Z Temperature Stabiliz. : Additional Information : New firmware; : supports early IOV-3 tracking 3.13 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.4.7 Elevation Cutoff Setting : 5 deg Date Installed : 2012-12-27T10:05Z Date Removed : 2014-12-02T16:00Z Temperature Stabiliz. : Additional Information : Firmware update : (fix of IOV-3/4 tracking) 3.14 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.6.1b1-68-7da1 Elevation Cutoff Setting : 5 deg Date Installed : 2014-12-02T16:00Z Date Removed : 2015-02-09T11:15Z Temperature Stabiliz. : Additional Information : Firmware update : (FOC E5 offset compensation) 3.15 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.6.1 Elevation Cutoff Setting : 5 deg Date Installed : 2015-02-09T11:15Z Date Removed : 2015-06-26T14:10Z Temperature Stabiliz. : Additional Information : Firmware update 3.16 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.6.2 Elevation Cutoff Setting : 5 deg Date Installed : 2015-06-26T14:10Z Date Removed : 2017-01-12T15:35Z Temperature Stabiliz. : Additional Information : Firmware update 3.17 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+SBAS Serial Number : 00534 Firmware Version : 3.6.9 Elevation Cutoff Setting : 5 deg Date Installed : 2017-01-12T15:35Z Date Removed : 2017-02-09T09:40Z Temperature Stabiliz. : Additional Information : Firmware update 3.18 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.6.9 Elevation Cutoff Setting : 5 deg Date Installed : 2017-02-09T09:40Z Date Removed : 2017-09-06T14:25Z Temperature Stabiliz. : Additional Information : Added IRNSS license 3.19 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.3b0-06-bf6b-local Elevation Cutoff Setting : 5 deg Date Installed : 2017-09-06T14:25Z Date Removed : 2018-02-05T13:35Z Temperature Stabiliz. : Additional Information : Firmware update 3.20 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.3 Elevation Cutoff Setting : 0 deg Date Installed : 2018-02-05T13:35Z Date Removed : 2018-10-09T11:00Z Temperature Stabiliz. : Additional Information : Firmware update 3.21 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.3p1 Elevation Cutoff Setting : 0 deg Date Installed : 2018-10-09T11:00Z Date Removed : 2018-11-08T13:33Z Temperature Stabiliz. : Additional Information : Firmware update 3.22 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.4 Elevation Cutoff Setting : 0 deg Date Installed : 2018-11-08T13:33Z Date Removed : 2018-12-10T17:30Z Temperature Stabiliz. : Additional Information : Firmware update 3.23 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.5 Elevation Cutoff Setting : 0 deg Date Installed : 2018-12-10T17:30Z Date Removed : 2019-01-24T13:35Z Temperature Stabiliz. : Additional Information : Firmware update 3.24 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.5p1 Elevation Cutoff Setting : 0 deg Date Installed : 2019-01-24T13:35Z Date Removed : 2019-04-11T09:10Z Temperature Stabiliz. : Additional Information : Firmware update 3.25 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-04-11T09:10Z Date Removed : 2020-01-28T17:25Z Temperature Stabiliz. : Additional Information : Firmware update 3.26 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.9 Elevation Cutoff Setting : 0 deg Date Installed : 2020-01-28T17:25Z Date Removed : 2020-12-11T13:00Z Temperature Stabiliz. : Additional Information : Firmware update 3.27 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+QZSS+IRNSS+SBAS Serial Number : 00534 Firmware Version : 3.7.10 Elevation Cutoff Setting : 0 deg Date Installed : 2020-12-11T13:00Z Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : Additional Information : Firmware update 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 : TRM57971.00 NONE Serial Number : 31187001 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 : Antenna Cable Length : 20 m Date Installed : 2009-08-17T00:00Z 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.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 : 2009-08-17/2010-11-29 Notes : JAVAD TRE_G2T DELTA 6.2 Standard Type : INTERNAL Input Frequency : Effective Dates : 2010-11-29/CCYY-MM-DD Notes : JAVAD TRE_G3TH DELTA 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.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 : Japan Aerospace Exploration Agency Preferred Abbreviation : JAXA Mailing Address : Operation & Safety Technology Team : Aviation Program Group : Navigation Technology Section : 6-13-1 Osawa : Mitaka, Tokyo 181-0015, Japan Primary Contact Contact Name : DLR/GSOC GNSS network operator Telephone (primary) : Telephone (secondary) : Fax : E-mail : rb_igs@dlr.de Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 12. Responsible Agency (if different from 11.) Agency : German Aerospace Center Preferred Abbreviation : DLR Mailing Address : Oberpfaffenhofen : 82234 Wessling : Germany Primary Contact Contact Name : DLR/GSOC GNSS network operator Telephone (primary) : Telephone (secondary) : Fax : E-mail : rb_igs@dlr.de Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : BKG Secondary Data Center : CDDIS URL for More Information : Hardcopy on File Site Map : Site Diagram : N Horizon Mask : N Monument Description : N Site Pictures : N Additional Information : Data available Antenna Graphics with Dimensions TRM57971.00 / --------------------------------------------- \ + + \ --------------------------------------------- / \ / \ / \-----+-----/ <-- 0.0000 BAM=ARP <-- 0.3396 --> Notches 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.