********************************** SITE INFORMATION FORM ********************************** 0. Form Prepared by (full name): Miranda Chin Date : November 25, 1994 Report type : UPDATE (NEW or UPDATE) 1. Site Identification of the GPS monument Site Name : WESTFORD 4 char ID : WES2 Monument Inscription : (not available) IERS DOMES Number : 40440S020 (Altamimi, 30-Nov-93) CDP Number : (not available) Date : Feb. 8, 1993 Additional information : CIGNET - Permanent GPS Tracking Network 2. Site Location City : Westford, MA Country : U.S.A. Tectonic Plate : North America Additional information : 3. GPS Receiver Type : Rogue SNR-8000 (Turbo Rogue) Serial Number : T 146 Firmware Version : 2.8 Date : Feb. 8, 1993 - July 30, 1994 Type : Rogue SNR-8000 (Turbo Rogue) Serial Number : T 149 Firmware Version : 2.8.32.1 Date : August 3, 1994 - November 23, 1994 Type : Rogue SNR-8000 (Turbo Rogue) Serial Number : T 109 Firmware Version : 3.0 Date : November 23, 1994 4. GPS Antenna Type : Dorne Margolin T Serial Number : 146 Date : Feb. 8, 1993 - July 8, 1994 Vertical Antenna Height: 0.000m Antenna Reference Point: BPA (Bottom of the Pre-Amp) Date : Feb. 8, 1993 Type : Dorne Margolin T Serial Number : 125 Date : July 8, 1994 - July 30, 1994 Vertical Antenna Height: 0.000m Antenna Reference Point: BPA (Bottom of the Pre-Amp) Date : Feb. 8, 1993 Type : Dorne Margolin T Serial Number : 145 Date : August 3, 1994 Vertical Antenna Height: 0.000m Antenna Reference Point: BPA (Bottom of the Pre-Amp) Date : Feb. 8, 1993 5. Local Site Ties Monument CDP DOMES Components Accuracy Date Name Number Number dX dY dZ mm yy-mm-dd Westford VLBI 7209 40440S003 -26.8074 -40.9995 -30.496 *) *) Domes Number: Altamimi 30-Nov-93 Differential coordinates from the GPS monument to the reference and other monuments. The components are parallel to the XYZ-axes of the global geocentric reference system ITRF (WGS-84). "Accuracy" is estimated accuracy of local survey (millimeters). 6. Frequency standard H-maser / x / Cesium / / Quartz / / Internal / / Other (specify) : Date : Feb. 8 1993 7. Collocation SLR / / VLBI / x / DORIS / / PRARE / / Other GEOPHYSICAL Instrumentation (specify) : Other (specify) : 8. On-site, Point of Contact Agency Information Agency : Haystack Observatory Contact : Peter Bolis Address : Route 40 Westford MA 01886 U.S.A. Telephone : 508-692-4765 E-mail : Fax : 617-981-0590 9. Responsible Operations Agency Agency : Geosciences Laboratory, NOS/NOAA Contact : Miranda Chin Address : NOAA, N/OES13 SSMC IV, Sta 8201 1305 East-West Hwy. Silver Spring MD 20910 U.S.A. Telephone : 301-713-2852 E-mail : miranda@gracie.grdl.noaa.gov Fax : 301-713-4475 10. Please insert here the character graphics corresponding to the antenna type. Check, complete or change if necessary the antenna 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 11. Hard copy information The next items should be compiled and sent to the Central Bureau (see original IGS Station Information Report, or contact the CB for forms). Please mark 'X' if on file or date expected to be available. Site Map : Site Diagram : X Horizon Mask : Monument description : Site pictures :