NSSP00ARM 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) : David A. Stowers Date Prepared : 2021-04-27 Report Type : UPDATE If Update: Previous Site Log : nssp00arm_20090107.log Modified/Added Sections : 1, 11, 12, 13 1. Site Identification of the GNSS Monument Site Name : Yerevan (Regional Survey for Seismic Protection) Four Character ID : NSSP Monument Inscription : none IERS DOMES Number : 12312M001 CDP Number : none Monument Description : CONCRETE PILLAR Height of the Monument : 1 m Monument Foundation : CONCRETE Foundation Depth : (m) Marker Description : DIMPLE in stainless steel pin Date Installed : 1996-07-15 Geologic Characteristic : BEDROCK Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (0 cm/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 : Bedrock type : BALSALTIC LAVA FLOW, ~5M THICK, : SEVERAL KM**2. : Bedrock condition : ALTERNATING LAYERS OF ASH : AND BASALT : 5/8 " bolt set in concrete pillar : UNAVCO Leveling mount used : http://facility.unavco.org/project_support : /permanent/equipment/mounts/levelingmount.html. : Station was decomissioned on 10-JUL-2010. : Replacement station is ARUC. 2. Site Location Information City or Town : Yerevan State or Province : Armenia Country : Armenia Tectonic Plate : ANATOLIAN Approximate Position (ITRF) X coordinate (m) : 3478646.538 Y coordinate (m) : 3418805.886 Z coordinate (m) : 4097987.287 Latitude (N is +) : +401335.24 Longitude (E is +) : +0443010.54 Elevation (m,ellips.) : 1194.8 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T111 Firmware Version : 3.2 Elevation Cutoff Setting : 4 deg Date Installed : 1997-10-10T00:00Z Date Removed : 1999-05-21T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-8000 Satellite System : GPS Serial Number : T111 Firmware Version : 3.2.32.8 Elevation Cutoff Setting : 4 deg Date Installed : 1999-05-21T00:00Z Date Removed : 2003-02-07T00:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.3 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220013847 Firmware Version : CJ12 Elevation Cutoff Setting : 4 deg Date Installed : 2003-02-07T00:00Z Date Removed : 2005-12-05T23:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.4 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR220014902 Firmware Version : CK00 Elevation Cutoff Setting : 4 deg Date Installed : 2006-09-05T09:00Z Date Removed : 2008-05-23T07:00Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.5 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR520021809 Firmware Version : CQ00 Elevation Cutoff Setting : 4 deg Date Installed : 2008-05-24T00:00Z Date Removed : 2008-12-17T09:59Z Temperature Stabiliz. : none Additional Information : (multiple lines) 3.6 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : ZR520013805 Firmware Version : CQ00 Elevation Cutoff Setting : 4 deg Date Installed : 2008-12-20T00:00Z Date Removed : 2010-07-10 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+IRNSS+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 UNAV Serial Number : 232 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0792 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : -4 deg Antenna Radome Type : UNAV Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 1997-10-10T00:00Z Date Removed : 2003-02-07T00:00Z Additional Information : Cable split with a grounded : Huber-Shunner protector. N-type : connectors used. UNAVCO : leveling mount. : Regal Plastics Chokering Raydome 4.2 Antenna Type : ASH701945C_M UNAV Serial Number : CR520003504 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0792 Marker->ARP North Ecc(m) : 0.0000 Marker->ARP East Ecc(m) : 0.0000 Alignment from True N : -4 deg Antenna Radome Type : UNAV Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : 2003-02-07T00:00Z Date Removed : 2010-07-10 Additional Information : Cable split with a grounded : Huber-Shunner protector. N-type : connectors used. UNAVCO : leveling mount. : Regal Plastics Chokering Raydome 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 : (if external) Effective Dates : 1997-10-10/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.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 : Capacitance Probe Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 300 sec Accuracy (% rel h) : 2 % rel h Aspiration : UNASPIRATED Height Diff to Ant : 0.26 m Calibration date : (CCYY-MM-DD) Effective Dates : 2004-03-18/2008-05-23 Notes : above antenna for Height Difference 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 : Digiquartz Barometric Standard Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 300 sec Accuracy : 0.1 hPa Height Diff to Ant : 0.26 m Calibration date : (CCYY-MM-DD) Effective Dates : 2004-03-18/2008-05-23 Notes : above antenna for Height Difference 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 : Platinum Resistance Temperature Probe Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 300 sec Accuracy : 0.5 deg C Aspiration : UNASPIRATED Height Diff to Ant : 0.26 m Calibration date : (CCYY-MM-DD) Effective Dates : 2004-03-18/2008-05-23 Notes : above antenna for Height Difference 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 : Regional Survey for Seismic Protection, Ministry : of Emergency Situations of the Republic of : Armenia Preferred Abbreviation : RSSP Mailing Address : Tzitzernakaberd str. 8/1 : 375054 Yerevan : Armenia Primary Contact Contact Name : Dr. Sos Margaryan Telephone (primary) : +374 60 372247 Telephone (secondary) : Fax : E-mail : msos78@hotmail.com Secondary Contact Contact Name : Ruben Stepanyan Telephone (primary) : +374 60 372266 Telephone (secondary) : Fax : E-mail : rubstep@yahoo.com Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : Jet Propulsion Laboratory Preferred Abbreviation : JPL Mailing Address : Oak Grove Drive 4800 : CA 91109 Pasadena : United States of America (the) Primary Contact Contact Name : David A. Stowers Telephone (primary) : +1 818-354-7055 Telephone (secondary) : Fax : +1 818-393-4965 E-mail : dstowers@jpl.nasa.gov Secondary Contact Contact Name : UNAVCO Network Engineer Telephone (primary) : +1 303-381-7500 Telephone (secondary) : Fax : +1 303-381-7451 E-mail : ggn-ops@postal.unavco.org Additional Information : (multiple lines) 13. More Information Primary Data Center : JPL Secondary Data Center : CDDIS URL for More Information : 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 ASH701945C_M +-------+ / + \ <-- 0.1280 L2 | + | <-- 0.1100 L1 +-----------------+-------------+------------------+ <-- 0.1006 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.0376 +-------------------+-------------+--------------------+ <-- 0.0346 BCR | | | | +------x------+ <-- 0.0 BPA=ARP <-- 0.3890 --> ARP: Antenna Reference Point BPA: Bottom of Preamplifier