WES2 Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Linda Nussear Date Prepared : 16-JUL-1997 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : WESTFORD Four Character ID : WES2 Monument Inscription : (not available) IERS DOMES Number : 40440S020 CDP Number : (not available) Date Installed : 08-FEB-1993 hh:mm UT Geologic Characteristic : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc) Bedrock Type : (IGNEOUS/METAMORPHIC/SEDIMENTARY) Bedrock Condition : (FRESH/JOINTED/WEATHERED) Fracture Spacing : (1-10 cm/10-50 cm/50-200 cm/over 200 cm) Notes : (multiple lines) Additional Information : CIGNET - Permanent GPS Tracking Network 2. Site Location Information City or Town : Westford State or Province : Massachusetts Country : U.S.A. Tectonic Plate : North America Approximate Position X coordinate (m) : (m) Y coordinate (m) : (m) Z coordinate (m) : (m) Latitude (deg) : ( dd.dddd N/S) Longitude (deg) : (ddd.dddd E/W) Elevation (m) : (m) Additional Information : (multiple lines) 3. GPS Receiver Information 3.1 Receiver Type : ROGUE SNR-8000 Serial Number : T 146 Firmware Version : 2.8 Date Installed : 08-FEB-1993 hh:mm UT Date Removed : 30-JUL-1994 hh:mm UT Additional Information : (multiple lines) 3.2 Receiver Type : ROGUE SNR-8000 Serial Number : T 149 Firmware Version : 2.8.32.1 Date Installed : 03-AUG-1994 hh:mm UT Date Removed : 23-NOV-1994 hh:mm UT Additional Information : (multiple lines) 3.3 Receiver Type : ROGUE SNR-8000 Serial Number : T 109 Firmware Version : 3.0 Date Installed : 23-NOV-1994 hh:mm UT Date Removed : 09-JAN-1995 hh:mm UT Additional Information : (multiple lines) 3.4 Receiver Type : ROGUE SNR-8000 Serial Number : T 109 Firmware Version : 3.1 (3.0.32.2) Date Installed : 05-JAN-1995 hh:mm UT Date Removed : 17-NOV-1995 hh:mm UT Additional Information : (multiple lines) 3.5 Receiver Type : ROGUE SNR-8000 Serial Number : T 109 Firmware Version : 3.2.32.1 Date Installed : 17-NOV-1995 hh:mm UT Date Removed : 09-JUN-1996 hh:mm UT Additional Information : (multiple lines) 3.6 Receiver Type : ROGUE SNR-8000 Serial Number : T 139 Firmware Version : 3.2.32.1 Date Installed : 11-JUN-1996 hh:mm UT Date Removed : 20-MAY-1997 hh:mm UT Additional Information : (multiple lines) 3.7 Receiver Type : ROGUE SNR-8000 Serial Number : T 145 Firmware Version : 3.2.32.1 Date Installed : 23-MAY-1997 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 3.x Receiver Type : Serial Number : Firmware Version : Date Installed : (dd-MMM-yyyy hh:mm UT) Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 4. GPS Antenna Information 4.1 Antenna Type : DORNE MARGOLIN T Serial Number : 146 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 08-FEB-1993 hh:mm UT Date Removed : 08-JUL-1994 hh:mm UT Additional Information : (multiple lines) 4.2 Antenna Type : DORNE MARGOLIN T Serial Number : 125 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 08-JUL-1994 hh:mm UT Date Removed : 30-JUL-1994 hh:mm UT Additional Information : (multiple lines) 4.3 Antenna Type : DORNE MARGOLIN T Serial Number : 145 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 03-AUG-1994 hh:mm UT Date Removed : 07-AUG-1995 hh:mm UT Date Installed : Additional Information : (multiple lines) 4.4 Antenna Type : DORNE MARGOLIN T Serial Number : 114 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 08-AUG-1995 hh:mm UT Date Removed : 01-SEP-1995 hh:mm UT Additional Information : (multiple lines) 4.5 Antenna Type : DORNE MARGOLIN T Serial Number : 146 (w/single notch) Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 06-SEP-1995 hh:mm UT Date Removed : 29-MAR-1996 hh:mm UT Additional Information : (multiple lines) 4.6 Antenna Type : DORNE MARGOLIN T Serial Number : 118 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 29-MAR-1996 hh:mm UT Date Removed : 04-JUN-1996 hh:mm UT Additional Information : (multiple lines) 4.7 Antenna Type : DORNE MARGOLIN T Serial Number : 293 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 04-JUN-1996 hh:mm UT Date Removed : 09-JUN-1996 hh:mm UT Additional Information : (multiple lines) 4.8 Antenna Type : DORNE MARGOLIN T Serial Number : 146 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 11-JUN-1996 hh:mm UT Date Removed : 01-JUL-1996 hh:mm UT Additional Information : (multiple lines) 4.9 Antenna Type : DORNE MARGOLIN T Serial Number : 394 Antenna Height (m) : 0.000m Antenna Reference Point : BPA (Bottom of the Pre-Amp) Degree Offset from North : Antenna Radome Type : Date Installed : 01-JUL-1996 hh:mm UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 4.10 Antenna Type : DORNE MARGOLIN T Serial Number : 223 Antenna Height (m) : 0.000m Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : Date Installed : 22-MAY-1997 hh:mm UT Date Removed : 30-JUN-1997 21:48 UT) Additional Information : (multiple lines) 4.11 Antenna Type : DORNE MARGOLIN T Serial Number : 114 Antenna Height (m) : 0.000m Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : Date Installed : 30-JUN-1997 22:06 UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 5. Local Site Ties 5.x Monument Name : Westford VLBI 4. 6. 6. 96-10-04 Site Ref CDP Number : 7209 Site Ref Domes Number : 40440S003 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : -26.796 dy (m) : -41.022 dz (m) : -30.476 Accuracy (mm) : 4. 6. 6.(mm) Date Measured : 04-OCT-1996 hh:mm UT Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : H-MASER Frequency : Effective Dates : 08-FEB-1993 - dd-MMM-yyyy Notes : (multiple lines) 6.1 Standard Type : INTERNAL Frequency : Effective Dates : 11-JUN-1996 - dd-MMM-yyyy Notes : (multiple lines) 6.x Standard Type : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM) Frequency : Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 7. Collocation Information 7.x Instrumentation Type : (DORIS/GLONASS/PRARE/SLR/VLBI) Status : (PERMANENT/MOBILE) Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 8. Meteorological Instrumentation 8.1 Humidity Sensor Model : Manufacturer : Data Frequency : Accuracy (% rel h) : (% rel h) Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 8.2 Pressure Sensor Model : Manufacturer : Data Frequency : Accuracy (mbar) : (mbar) Height Diff to GPS (m) : (m) Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 8.3 Temperature Sensor Model : Manufacturer : Data Frequency : Accuracy (deg C) : (deg C) Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 8.4 Water Vapor Radiometer : Manufacturer : Distance to GPS (m) : (m) Elev Diff to GPS (m) : (m) Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy) Notes : (multiple lines) 8.5 Other Instrumentation : (multiple lines) 9. On-Site, Point of Contact Agency Information Agency : Haystack Observatory Mailing Address : Route 40 : Westford MA 01886 : U.S.A. Primary Contact Contact Name : Peter Bolis Telephone (primary) : 508-692-4765 Telephone (secondary) : Fax : 617-981-0590 E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : (multiple lines) 10. Responsible Agency (if different from 9.) Agency : Geosciences Laboratory, NOS/NOAA Mailing Address : NOAA, N/OES13 : SSMC IV, Sta 8201 : 1305 East-West Hwy. : Silver Spring MD 20910 : U.S.A. Primary Contact Contact Name : Miranda Chin Telephone (primary) : 301-713-2852 Telephone (secondary) : Fax : 301-713-4475 E-mail : miranda@gracie.grdl.noaa.gov Secondary Contact Contact Name : Linda Nussear Telephone (primary) : 301-713-2852 Telephone (secondary) : Fax : 301-713-4475 E-mail : linda@gracie.grdl.noaa.gov Additional Information : (multiple lines) 11. More Information URL for More Information : Hardcopy on File Site Map : (Y) Site Diagram : X Horizon Mask : (Y) Monument Description : (Y) Site Pictures : (Y) Additional Information : (multiple lines) Antenna Graphics with Dimensions TURBOROGUE: DORNE MARGOLIN T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- 0.000 ARP <-- 0.381 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering