HERS Site Information Form International GPS Service 0. Form Prepared by (full name) : A.T. Sinclair Date Prepared : 03-JUN-1993 Report Type : Revised 1-SEP-2000 by Roger Wood Prepared Using : Text editor 1. Site Identification of the GPS Monument Site Name : Herstmonceux Four Character ID : HERS Monument Inscription : IERS DOMES Number : 13212M007 CDP Number : 7840 Date Installed : 01-SEP-1991 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 : Located in grounds of Herstmonceux Castle a : few meters from the UK SLR Facility 2. Site Location Information City or Town : Hailsham State or Province : East Sussex Country : England Tectonic Plate : Eurasian Approximate Position X coordinate (m) : 4033470.3 m Y coordinate (m) : 23672.7 m Z coordinate (m) : 4924301.2 m Latitude (deg) : 50.8673 N Longitude (deg) : 0.3362 E Elevation (m) : 76.499 Additional Information : (multiple lines) 3. GPS Receiver Information 3.1 Receiver Type : ROGUE SNR-8C Serial Number : CR325 Firmware Version : Conan 4.2 (Meenix 7.3) (from 1-FEB-1993) Date Installed : 24-MAR-1992 hh:mm UT Date Removed : 01-JAN-1998 00:00 UT Additional Information : SNR-8A receiver from 01-SEP-1991 to 24-MAR-1992 3.2 Receiver Type : ASHTECH Z-XII3 Serial Number : LP01573 Firmware Version : 1F50 (nav); 1D02*50 (channel) Date Installed : 18-FEB-1998 00:00 UT Date Removed : 29-JUN-1998 14:00 UT Additional Information : Temporary installation pending purchase of Additional Information : permanent (Ashtech) receiver (see sect 3.3) 3.3 Receiver Type : ASHTECH Z-XII3 Serial Number : LP03373 Firmware Version : CB00 (nav); 1D02*50 (channel) Date Installed : 01-JUL-1998 00:00 UT Date Removed : 20-AUG-1999 00:00 UT Additional Information : Permanent receiver - model 700845-10(G) 3.4 Receiver Type : ASHTECH Z-XII3 Serial Number : LP03373 Firmware Version : CD00 (nav); 1D02*50 (channel) Date Installed : 20-AUG-1999 01:37 UT Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : Firmware upgrade for GPS week rollover 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 B Serial Number : 102 Antenna Height (m) : 0.200 Antenna Reference Point : BCR Degree Offset from North : Antenna Radome Type : None Date Installed : 01-SEP-1991 Date Removed : 01-JAN-1998 00:00 UT Additional Information : (multiple lines) 4.2 Antenna Type : ASH700936E Serial Number : CR14108 Antenna Height (m) : 0.0096 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : None Date Installed : 18-FEB-1998 00:00 UT Date Removed : 29-JUN-1998 14:00 UT 4.3 Antenna Type : ASH700936E Serial Number : CR16688 Antenna Height (m) : 0.0096 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : None Date Installed : 01-JUL-1998 00:00 UT Date Removed : Additional Information : The antenna (reference position unchanged from : above) is mounted at the top of an 8-meter, : open lattice, cross-braced steel mast set in : a concrete base. The plane of the chokering : is above local trees and buildings. 4.4 Antenna Type : ASH700936E Serial Number : CR16688 Antenna Height (m) : 0.0096 Antenna Reference Point : BPA Degree Offset from North : Antenna Radome Type : None Date Installed : Date Removed : Additional Information : Same antenna as 4.3. On 18-AUG-2000 ~10:30UT : a second nearby GPS antenna (1m away and : below the HERS chokering) mounted on the same : mast was removed and relocated elsewhere on : site 4.x Antenna Type : Serial Number : Antenna Height (m) : (m) Antenna Reference Point : (ARP/BCR/BPA) Degree Offset from North : Antenna Radome Type : Date Installed : (dd-MMM-yyyy hh:mm UT) Date Removed : (dd-MMM-yyyy hh:mm UT) Additional Information : (multiple lines) 5. Local Site Ties 5.1 Monument Name : SLR intersection Site Ref CDP Number : 7840 Site Ref Domes Number : 13212 S001 Differential Components from GPS Mark to Site Reference (ITRS) dx (m) : -6.505 dy (m) : -10.278 dz (m) : +3.945 Accuracy (mm) : 2 Date Measured : 29-JUL-1992 Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : GPS moderated by a quartz-based Austron : Disciplined Frequency Standard (model 2110) Frequency : 5 MHz Effective Dates : from 17-JUN-1996 Notes : Note added 27-OCT-2000 after IGSMAIL 3071. : CLOCK STEERING has been Y (factory default) : since 17-JUN-1996. : CLOCK STEERING set to N 27-OCT-2000 10:30 UT : AUTO-SWITCH has always been Y 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 7.1 Instrumentation Type : SLR Status : PERMANENT Effective Dates : (01-SEP-1984 to present) Notes : (multiple lines) 8. Meteorological Instrumentation 8.1 Humidity Sensor Model : HMP140 Manufacturer : Vaisala Data Frequency : Every 5 mins Accuracy (% rel h) : 5% Effective Dates : from 19-JUN-1996 Notes : (multiple lines) 8.2 Pressure Sensor Model : DPI 140 series Manufacturer : Druck Data Frequency : Every 5 mins Accuracy (mbar) : 0.1 mb Height Diff to GPS (m) : GPS is 1.1 m above barometer reference point Effective Dates : from 4-JUN-1997 Notes : (multiple lines) 8.3 Temperature Sensor Model : HMP140 Manufacturer : Vaisala Data Frequency : Every 5 mins Accuracy (deg C) : 0.1 Effective Dates : from 4-JUN-1997 Notes : (multiple lines) 8.4 Water Vapor Radiometer : None 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 : NERC Space Geodesy Facility Mailing Address : Herstmonceux Castle, Hailsham, : East Sussex BN27 1RP, England Primary Contact Contact Name : Dr Roger Wood Telephone (primary) : +44 (0)1323 833888 Telephone (secondary) : Fax : +44 (0)1323 833929 E-mail : slr@slrb.rgo.ac.uk Secondary Contact Contact Name : Robert Sherwood Telephone (primary) : +44 (0)1323 833888 Telephone (secondary) : Fax : +44 (0)1323 833929 E-mail : slr@slrb.rgo.ac.uk Additional Information : (multiple lines) 10. Responsible Agency (if different from 9.) Agency : Mailing Address : 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) 11. More Information URL for More Information : Hardcopy on File Site Map : (Y) Site Diagram : (Y) Horizon Mask : (Y) Monument Description : (Y) Site Pictures : (Y) Additional Information : (multiple lines) Antenna Graphics with Dimensions ROGUE: DORNE MARGOLIN B (Allen Osborne Design) ----- / + \ <-- 0.096 L2 | + | <-- 0.078 L1 +-----------------+-------------+------------------+ <-- 0.070 TCR | | | | | | | | | | +-----------------+------x------+------------------+ <-- 0.000 ARP | | +-------------+ <-- -0.011 || || <-- 0.351 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering -------------------------------------------------------------------------- ASHTECH: ASH700936E ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +-----------------+-------------+------------------+ <-- 0.102 TCR | | | | | | | | +-+-----------------+-------------+------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +------x------+ <-- -0.000 ARP=BPA <-- 0.381 --> ARP: Antenna Reference Point BPA: Bottom of Pre-Amplifier L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering