STJO Site Information Form International GPS Service for Geodynamics 0. Form Prepared by (full name) : Peter Taylor Date Prepared : 12-JAN-1999 Report Type : UPDATE Prepared Using : 1. Site Identification of the GPS Monument Site Name : St. John's Four Character ID : STJO Monument Inscription : 920000 IERS DOMES Number : 40101M001 CDP Number : n/a Date Installed : 24-MAY-1992 Geologic Characteristic : BEDROCK Bedrock Type : SEDIMENTARY Bedrock Condition : WEATHERED Fracture Spacing : 10-50 cm Notes : Additional Information : The GPS reference mark consists of a brass plate : with a forced centering stainless steel bolt : embedded on top of a 1.5 metre high concrete : pier, 40 cm in diameter. The concrete pier is : anchored to exposed bedrock by stainless steel : reinforcing bars to a depth of 3 m. 2. Site Location Information City or Town : St. John's State or Province : Newfoundland Country : Canada Tectonic Plate : North American Approximate Position X coordinate (m) : 2612631.2 Y coordinate (m) : -3426807.0 Z coordinate (m) : 4686757.8 Latitude (deg) : 47.5952 Longitude (deg) : -52.8111 Elevation (m) : 153.9 Additional Information : Located at Geological Survey of Canada (NRCan), : Geophysics Division geo-magnetic site. 3. GPS Receiver Information 3.1 Receiver Type : MINI-ROGUE SNR-8C Serial Number : CR310/DIS Firmware Version : Meenix 7.? Date Installed : 24-MAY-1992 Date Removed : 21-DEC-1992 Additional Information : 3.2 Receiver Type : MINI-ROGUE SNR-8C Serial Number : CR310/DIS Firmware Version : Meenix 7.3 Date Installed : 21-DEC-1992 Date Removed : 25-FEB-1994 20:00 UT Additional Information : 3.3 Receiver Type : ROGUE SNR-8000 Serial Number : T164 Firmware Version : Turbo 2.8 Date Installed : 26-FEB-1994 00:10 UT Date Removed : 26-FEB-1995 12:00 UT Additional Information : 3.4 Receiver Type : ROGUE SNR-8000 Serial Number : T230 Firmware Version : Turbo 3.0.32.2 Date Installed : 26-FEB-1995 13:28 UT Date Removed : 02-MAR-1995 15:00 UT Additional Information : 3.5 Receiver Type : ROGUE SNR-8000 Serial Number : T161 Firmware Version : Turbo 3.0.32.2 Date Installed : 02-MAR-1995 15:00 UT Date Removed : 12-OCT-1995 19:33 UT Additional Information : 3.6 Receiver Type : ROGUE SNR-8000 Serial Number : T161 Firmware Version : Turbo 3.2.32.1 Date Installed : 12-OCT-1995 19:33 UT Date Removed : 03-NOV-1995 12:30 UT Additional Information : 3.7 Receiver Type : ROGUE SNR-8000 Serial Number : T230 Firmware Version : Turbo 3.2.32.1 Date Installed : 03-NOV-1995 12:30 UTUT Additional Information : Date Removed : 31-JUL-1996 00:00 UT Additional Information : 3.8 Receiver Type : ROGUE SNR-8000 Serial Number : T161 Firmware Version : Turbo 3.2.32.6X Date Installed : 01-AUG-1996 22:00 UT Date Removed : 14-DEC-1996 00:00 UT Additional Information : 3.9 Receiver Type : ROGUE SNR-8000 Serial Number : T161 Firmware Version : Turbo 3.2.32.5X Date Installed : 14-DEC-1996 00:00 UT Date Removed : 30-JAN-1997 20:02 UT Additional Information : 3.10 Receiver Type : ROGUE SNR-12 RM Serial Number : 236 Firmware Version : Turbo 3.2.32.5X Date Installed : 30-JAN-1997 21:20 UT Date Removed : 23-JUN-1997 13:28 UT Additional Information : 3.11 Receiver Type : ROGUE SNR-12 RM Serial Number : 234 Firmware Version : Turbo 3.2.32.5X Date Installed : 24-JUN-1997 17:34 UT Date Removed : Additional Information : 4. GPS Antenna Information 4.1 Antenna Type : DORNE MARGOLIN B Serial Number : 114 Antenna Height (m) : 0.162 Antenna Reference Point : BCR Degree Offset from North : Antenna Radome Type : Date Installed : 24-MAY-1992 Date Removed : 14-MAR-1994 15:00 UT Additional Information : 4.2 Antenna Type : DORNE MARGOLIN T Serial Number : 171 Antenna Height (m) : 0.003 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Date Installed : 14-MAR-1994 20:03 UT Date Removed : 26-FEB-1995 12:00 UT Additional Information : 4.3 Antenna Type : DORNE MARGOLIN T Serial Number : 366 Antenna Height (m) : 0.100 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Date Installed : 26-FEB-1995 13:28 UT Date Removed : 02-MAR-1995 21:50 UT Additional Information : 4.4 Antenna Type : DORNE MARGOLIN T Serial Number : 171 Antenna Height (m) : 0.100 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Date Installed : 02-MAR-1995 21:56 UT Date Removed : 03-NOV-1995 12:30 UT Additional Information : 4.5 Antenna Type : DORNE MARGOLIN T Serial Number : 388 Antenna Height (m) : 0.100 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Date Installed : 03-NOV-1995 12:30 UT Date Removed : 31-JUL-1996 00:00 UT Additional Information : 4.6 Antenna Type : DORNE MARGOLIN T Serial Number : 284 Antenna Height (m) : 0.100 Antenna Reference Point : ARP Degree Offset from North : Antenna Radome Type : Date Installed : 01-AUG-1996 22:00 UT Date Removed : Additional Information : 5. Local Site Ties : n/a 6. Frequency Standard 6.1 Standard Type : RUBIDIUM Frequency : Effective Dates : 24-MAY-1992 - 03-NOV-1995 Notes : 6.2 Standard Type : CESIUM Frequency : Effective Dates : 03-NOV-1995 - 24-AUG-1998 Notes : 6.3 Standard Type : RUBIDIUM Frequency : Effective Dates : 24-AUG-1998 - 23-OCT-1998 Notes : Replaced by CESIUM at 19:30:00 6.4 Standard Type : CESIUM Frequency : Effective Dates : 23-OCT-1998 - 10-JAN-1999 Notes : Replaced by internal quartz at 22:45:00 6.5 Standard Type : INTERNAL QUARTZ Frequency : Effective Dates : 10-JAN-1999 - 12-JAN-1999 Notes : Replaced by Cesium at 03:13:00 6.6 Standard Type : CESIUM Frequency : Effective Dates : 12-JAN-1999 - Notes : Time of change 03:13:00 7. Collocation Information : None 7.x Instrumentation Type : None Status : Effective Dates : Notes : 8. Meteorological Instrumentation 8.1 Humidity Sensor Model : HMP-35A Manufacturer : VAISALA Data Frequency : 15 min Accuracy (% rel h) : 2 % Effective Dates : 01-JUN-1996 - dd-MMM-yyy) Notes : Sensor elevated 6 metres above ground level. 8.2 Pressure Sensor Model : PTB-100A Manufacturer : VAISALA Data Frequency : 15 min Accuracy (mbar) : 0.1 mb Height Diff to GPS (m) : 0.0 m Effective Dates : 01-JUN-1996 - dd-MMM-yyyy Notes : Sensor readings compensated for temperature, : non-linearity, calibration and height difference : to GPS antennae. 8.3 Temperature Sensor Model : YSI 44212 Manufacturer : YSI Data Frequency : 15 min Accuracy (deg C) : 0.2 Deg C Effective Dates : 01-JUN-1996 - dd-MMM-yyyy Notes : Sensor elevated 6 metres above ground level. 8.4 Other Instrumentation : n/a 9. On-Site, Point of Contact Agency Information Agency : Geodetic Survey of Canada Mailing Address : 615 Booth St., Ottawa, Ontario : CANADA, K1A 0E9 Primary Contact Contact Name : Robert Duval Telephone (primary) : 613-947-2786 Telephone (secondary) : Fax : 613-995-3215 E-mail : duval@geod.nrcan.gc.ca Secondary Contact Contact Name : ACS Operations Telephone (primary) : 613-992-1292 Telephone (secondary) : 613-995-2613 Fax : 613-995-3215 E-mail : acs-op@geod.nrcan.gc.ca Additional Information : 10. Responsible Agency : same as 9. above. 11. More Information URL for More Information : Hardcopy on File Site Map : yes Site Diagram : Horizon Mask : yes Monument Description : yes Site Pictures : yes Additional Information : Antenna Graphics with Dimensions ANTENNA CONFIGURATION ON SITE SINCE 26-FEB-95: Type: DORNE MARGOLIN T --- L2 Phase Center => / + \ <---------------+ L1 Phase Center => | + | <---------+ | +----------------------------------------------+ | | | | | | | | | | | | | | | | | | ================================================== | | | | | | | +-+ | | 0.228m Antenna Ref. Point (ARP) => +====| |====+ <--+ | | | | | 0.210m | | | | | | | | | | | Mount => | | 0.100m | | | | | | | | | | | | | +-+ | | | | Monument => +----------------+====| |====+-----------------+ <--+-----+ Ref. Point | | | | | | | Concrete pillar | | | | | | | OTHER ANTENNAS ROGUE: DORNE MARGOLIN B (Allen Osborne Design) ----- / + \ <-- 0.096 L2 | + | <-- 0.078 L1 +-----------------+-------------+------------------+ <-- 0.070 TCR | | | | | | | | | | +-----------------+------x------+------------------+ <-- 0.000 ARP | | +-------------+ <-- -0.011 || || <-- 0.351 --> 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 Choke ring BCR: Bottom of choke ring