NSSP00ARM Site Information Form (site log)
International GNSS Service
See Instructions at:
https://files.igscb.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
