OPMT Site Information Form (site log) International GNSS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Dr Pierre Uhrich Date Prepared : 2015-08-27 Report Type : UPDATE If Update: Previous Site Log : opmt_20140129.log Modified/Added Sections : 3,6,9,11 1. Site Identification of the GNSS Monument Site Name : Observatoire de Paris Four Character ID : OPMT Monument Inscription : None IERS DOMES Number : 10001S006 CDP Number : Monument Description : Concrete balk and pillar Height of the Monument : 2.30 m Monument Foundation : ROOF Foundation Depth : 14.73 m Marker Description : Date Installed : 2001-07-01T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : 2. Site Location Information City or Town : Paris State or Province : Ile-de-France Country : France Tectonic Plate : EURASIAN Approximate Position (ITRF) X coordinate (m) : 4202777.3831 Y coordinate (m) : 171367.9881 Z coordinate (m) : 4778660.1844 Latitude (N is +) : +485009.17 Longitude (E is +) : +0022005.58 Elevation (m,ellips.) : 124.2 Additional Information : Antenna phase coordinates as computed in July : 2004 from the IGS daily determination with the : help of Jim Ray 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH Z-XII3T Satellite System : GPS Serial Number : 02942 Firmware Version : 1L01-1D04 Elevation Cutoff Setting : 5 deg Date Installed : 2001-07-01T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : Between 19.5 °C and 23.5 °C Additional Information : ASHTECH Z-XII3 Time Transfer P/N 700845-1(E) 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 : 3S-02-TSADM NONE Serial Number : 00019 Antenna Reference Point : TOP Marker->ARP Up Ecc. (m) : 000.0000 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : Not required deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Andrew HELIAX LDF2RN-50 Antenna Cable Length : 30 m Date Installed : 2001-07-01T00:00Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : The antenna is temperature stabilized 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 : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2001-07-01/2002-10-11 Notes : Sigma Tau active H-MASER 205 : The required 1 pps signal is coming : from the same standard through a : cable labelled '403' from the output : 'B' of a distribution amplifier TST : 6460 labelled 'Maser 0205'. 6.2 Standard Type : EXTERNAL CESIUM Input Frequency : 20 MHz Effective Dates : 2002-10-11/2002-10-31 Notes : UTC(OP) issued from an HP 5071A Cesium clock 6.3 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2002-10-31/2003-04-30 Notes : Sigma Tau active H-MASER 016 : The required 1 pps signal is coming : from the same standard through a : cable labelled '403' from the front output : of a distribution amplifier TST : 6460 labelled 'Maser 0016'. 6.4 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2003-04-30/2004-10-20 Notes : Sigma Tau active H-MASER 205 : The required 1 pps signal is coming : from the same standard through a : cable labelled '403' from the output 'B' : of a distribution amplifier TST : 6460 labelled 'Maser 0205'. 6.5 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2004-10-20/2004-11-25 Notes : Sigma Tau active H-MASER 016 : The required 1 pps signal is coming : from the same standard through a : cable labelled '403' from the front output : of a distribution amplifier TST : 6460 labelled 'Maser 0016'. 6.6 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2004-11-25/2007-04-23 Notes : Sigma Tau active H-MASER 205 : The required 1 pps signal is coming : from the same standard through a : cable labelled '403' from the output 'B' : of a distribution amplifier TST : 6460 labelled 'Maser 0205'. 6.7 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2007-04-24/2008-03-11 Notes : Kvarz active H-MASER 890 : The required 1 pps signal is coming : from the standard through a : cable labelled '403' from the output '1' : of a TimeTech Pulse Distribution Unit : feeded by the signal from a Quartzlock : A6 Frequency Convertor labelled : 'Maser 1400890'. 6.8 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2008-03-11/2008-05-15 Notes : Sigma Tau active H-MASER 016 : The required 1 pps signal is coming : from the standard through a : cable labelled '403' from the output : of a PTF 1204 Pulse Distribution Unit : labelled 'Maser 1400816' : feeded by a 1 pps coming from : a distribution amplifier TST : 6460 labelled 'Maser 016'. 6.9 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2008-05-15/2008-08-28 Notes : Kvarz active H-MASER 890 : The required 1 pps signal is coming : from the standard through a : cable labelled '403' from the output '2' : of a PTF 1204 Pulse Distribution Unit : labelled 'Maser 1400890' : feeded by the 1 pps from a Quartzlock : A6 Frequency Convertor labelled : 'Maser 1400890'. : Interruption of external clock signal : on 2008-08-28 at 10:22 UTC : due to failure of power supply. 6.10 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2008-09-02/2010-10-27 Notes : Kvarz active H-MASER 890 : To be considered as a "new" clock : with respect to before power failure, : put into operation after 13:00 UTC. : The required 1 pps signal is coming : from the standard through a : cable labelled '403' from the output '2' : of a PTF 1204 Pulse Distribution Unit : labelled 'Maser 1400890' : feeded by the 1 pps from a Quartzlock : A6 Frequency Convertor labelled : 'Maser 1400890'. 6.11 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2010-10-27/2011-01-25 Notes : Sigma Tau active H-MASER 816 : The required 1 pps signal is coming : from the standard through a : cable labelled '454' from one back output : of a distribution amplifier TST 6460 : labelled 'A2M' common with TWSTFT station. 6.12 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2011-01-25/2012-01-26 Notes : Kvarz active H-MASER 890 : Put into operation after 12:00 UTC. : The required 1 pps signal is coming : from the standard through a : cable labelled '554' from the output '2' : of a PTF 1204 Pulse Distribution Unit : labelled 'Maser 1400890' : feeded by the 1 pps from a Quartzlock : A6 Frequency Convertor labelled : 'Maser 1400890'. : The required 10 MHz signal is coming : from the standard through a cable : labelled '299' from the ouput 1 of : a Quartzlock A5-12 Amplifier number 149 : labelled 'Maser 1400890'. : The frequency multiplier x2 is new. 6.13 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2012-01-26/2013-07-24 Notes : Kvarz active H-MASER 889 : Put into operation after 17:00 UTC. : The required 1 pps signal is coming : from the standard through a : cable labelled '554' from the output '2' : of a PTF 1204 Pulse Distribution Unit : labelled 'Maser 1400889' : feeded by the output 2 of the Timetech Pulse : Distribution Unit number 26 : The required 20 MHz signal is produced from : a 5 MHz signal coming from the standard : through the cable labelled '231' connected : to the Timetech RF Distrisbution Unit number 23. : The A8 output is connected to a frequency : multiplier X4. The resulting 20 MHz signal is : connected via the cable 422 to the Timetech RF : Distribution Unit number 88. The B6 output : provide the 20 MHz reference to the receiver. 6.14 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2013-07-24/2014-01-28 Notes : Vremya active H-MASER 809 : Put into operation after 15:00 UTC. : The required 1 pps signal is coming : from the standard through a : cable labelled '554' from the output '2' : of a PTF 1204 Pulse Distribution Unit : labelled 'Maser 1400809' : feeded by the output 2 of the Timetech Pulse : Distribution Unit number 26 : The required 20 MHz signal is produced from : a 5 MHz signal coming from the standard : through the cable labelled '231' connected : to the Timetech RF Distrisbution Unit number 23. : The A8 output is connected to a frequency : multiplier X4. The resulting 20 MHz signal is : connected via the cable 422 to the Timetech RF : Distribution Unit number 88. The B6 output : provide the 20 MHz reference to the receiver. 6.15 Standard Type : EXTERNAL H-MASER Input Frequency : 20 MHz Effective Dates : 2014-01-28/2015-08-26 Notes : Kvarz active H-MASER 889 : Put into operation after 09:00 UTC. : The required 1 pps signal is coming : from the standard through a : cable labelled '554' from the output '2' : of a PTF 1204 Pulse Distribution Unit : labelled 'Maser 1400889' : feeded by the output 2 of the Timetech Pulse : Distribution Unit number 26 : The required 20 MHz signal is produced from : a 5 MHz signal coming from the standard : through the cable labelled '231' connected : to the Timetech RF Distrisbution Unit number 23. : The A8 output is connected to a frequency : multiplier X4. The resulting 20 MHz signal is : connected via the cable 422 to the Timetech RF : Distribution Unit number 88. The B6 output : provide the 20 MHz reference to the receiver. 6.16 Standard Type : EXTERNAL UTC(OP) Input Frequency : 1 PPS and 20 MHz Effective Dates : 2015-08-26/CCYY-MM-DD Notes : Real-time prediction of UTC : in Observatoire de Paris (OP) : Put into operation after 17:00 UTC. : The required 1 PPS signal is coming : from a PTF 1204 Pulse Distribution Unit : connected to the output 3 of TimeTech : amplifier 25 labelled '1PPSUTCOP' : The required 20 MHz signal is coming from : output B3 of TimeTech Frequency Distribution : Amplifier 87 labelled '20MHzUTCOP' 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 TIME Status : PERMANENT Effective Dates : 2001-07-01/CCYY-MM-DD Notes : NBS TTR5 and AOA TTR6 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) 9.3.1 Signal Obstructions : BUILDINGS Effective Dates : 2001-07-01/CCYY-MM-DD Additional Information : The horizon profile is clear above an elevation : of 10° except between the azimuth 240° E and : 330° E where the buildings' mask can reach an : elevation of 45° with an average value of 23° 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 : LNE-SYRTE : Observatoire de Paris : PSL Research University : CNRS : Sorbonne UniversitŽs : UPMC Univ. Paris 06 Preferred Abbreviation : OP Mailing Address : LNE-SYRTE : Observatoire de Paris : 61 avenue de l'Observatoire : F-75014 Paris : France Primary Contact Contact Name : Pierre Uhrich Telephone (primary) : +33 (0)1 40512217 Telephone (secondary) : +33 (0)1 40512216 Fax : +33 (0)1 43255542 E-mail : Pierre.Uhrich@obspm.fr Secondary Contact Contact Name : Currently none Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : The name of the Agency was formerly BNM-LPTF : then BNM-SYRTE. 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 : IGN Secondary Data Center : BKG URL for More Information : Hardcopy on File Site Map : Site Diagram : Horizon Mask : Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions 3S-02-TSADM ----- / + \ <-- 0.2916 L2 | + | <-- 0.2725 L1 +--------------------------------------------------+ | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.208 TGP +-------------------+-------------+--------------------+ +----------------------| |------------------------------ | =| | ------ | +------x------+ ------ | ------ | <-- 0.381 --> ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ +------------------------------------------------------------------- | | --------------x-------------- <-- ARP=TOP 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