MSSC Site Information Form USMS Continuously Operating Reference Station See Instructions at: ftp://www.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Francine Coloma Date Prepared : 2019-07-25 Report Type : UPDATE If Update: Previous Site Log : mssc_20180105.log Modified/Added Sections : 1, 3.1, 4.1 1. Site Identification of the GNSS Monument Site Name : Stennis Space Ctr Four Character ID : MSSC Monument Inscription : none IERS DOMES Number : 49459S001 CDP Number : (A4) Monument Description : Threaded rod on aluminum pole Height of the Monument : 0.5(m) above roof Monument Foundation : ROOF Foundation Depth : (m) Marker Description : Threaded rod Date Installed : 2005-02-28T00:00Z Geologic Characteristic : CLAY/GRAVEL/SAND/ Bedrock Type : SEDIMENTARY Bedrock Condition : FRESH Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : NO Distance/activity : Additional Information : antenna pole attached to roof of a one : story building : 2019-JUL-25 Site decommissioned. USM plans to move antenna mast. 2. Site Location Information City or Town : Stennis Space Center State or Province : Mississippi Country : United States Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 37115.060 Y coordinate (m) : -5507204.511 Z coordinate (m) : 3206321.894 Latitude (N is +) : +302230.81 Longitude (E is +) : -0893649.93 Elevation (m,ellips.) : -13.1 Additional Information : ARP IGS08 POSITION (EPOCH 2005.00) : Computed in Aug 2011 using data through gpswk : 1631. 3. GNSS Receiver Information 3.1 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : UZ119993505 Firmware Version : ZC00 Elevation Cutoff Setting : 5 deg Date Installed : 2004-12-03 Date Removed : 2019-07-25T17:00Z Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : 2019-JUL-25 Site decommissioned. USM plans to move antenna mast. 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 : ASH701945C_M SNOW Serial Number : CR520010508 Antenna Reference Point : BPA 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 : (deg; + is clockwise/east) Antenna Radome Type : SNOW Radome Serial Number : Antenna Cable Type : RGB 300 Antenna Cable Length : 6 m Date Installed : 2005-02-17 Date Removed : 2019-07-25T17:00Z Additional Information : Changed radome from NONE to SNOW. SNOW has : always been present at the site : 2019-JUL-25 Site decommissioned. USM plans to move antenna mast. 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 : 2004-12-03/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.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 Interference : (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/BUILDLINGS/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 : Univ. of Southern Mississippi Preferred Abbreviation : USMS Mailing Address : 1020 Balch Bouldevard : Stennis Space Center : MS 39529-9904 Primary Contact Contact Name : Stephan Howden Telephone (primary) : 228-688-5284 Telephone (secondary) : Fax : 228-688-1121 E-mail : stephan.howden@usm.edu Secondary Contact Contact Name : Johnson Oguntuase Telephone (primary) : 228-688-3520 Telephone (secondary) : Fax : 228-688-1121 E-mail : johnson.oguntuase@usm.edu Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : (multiple lines) Preferred Abbreviation : (A10) Mailing Address : (multiple lines) Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 13. More Information Primary Data Center : ftp://geodesy.noaa.gov/cors Secondary Data Center : ftp://alt.ngs.noaa.gov/cors URL for More Information : http://geodesy.noaa.gov/CORS 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 ftp://www.igs.org/pub/station/general/antenna.gra