NSSP00ARM Site Information Form (site log v2.0)
     International GNSS Service
     See Instructions at:
       https://files.igs.org/pub/station/general/sitelog_instr_v2.0.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)
     Nine Character ID        : NSSP00ARM
     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 or Region        : ARM
     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