NRC2 Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Peter Taylor / Stephen Delahunt Date Prepared : 2003-10-06 Report Type : UPDATE If Update: Previous Site Log : nrc2_20010912.log Modified/Added Sections : 3.2 / 4.1 1. Site Identification of the GNSS Monument Site Name : NRC2 CACS-ACP Four Character ID : NRC2 Monument Inscription : 943020 IERS DOMES Number : 40114M001 CDP Number : Monument Description : Steel I Beam Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1999-07-25 Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Station located on the roof of a three story : high building. Antenna mounted on an extension : of the building steel structure anchored to : bedrock and protruding through the roof. 2. Site Location Information City or Town : OTTAWA State or Province : Ontario Country : CANADA Tectonic Plate : North American Approximate Position (ITRF) X coordinate (m) : 1112777.33 Y coordinate (m) : -4341475.83 Z coordinate (m) : 4522955.78 Latitude (N is +) : +452715.12 Longitude (E is +) : -0753725.68 Elevation (m,ellips.) : 82.48 Additional Information : Located at the Frequency and Time Laboratory, : Institute for National Measurement Standards, : National Research Council Canada. 3. GNSS Receiver Information 3.1 Receiver Type : AOA SNR-12 ACT Satellite System : GPS Serial Number : 203-U Firmware Version : TURBO 3.3.32.2N Elevation Cutoff Setting : 10 Date Installed : 1999-07-25T00:00Z Date Removed : 2000-05-24T15:15Z Temperature Stabiliz. : NONE Additional Information : 3.2 Receiver Type : AOA SNR-8100 ACT Satellite System : GPS Serial Number : 124-U Firmware Version : TURBO 3.3.32.2N Elevation Cutoff Setting : 10 Date Installed : 2000-05-24T15:15Z Date Removed : 2003-03-20T00:00Z Temperature Stabiliz. : NONE Additional Information : This station has now been decommissioned. 4. GPS Antenna Information 4.1 Antenna Type : AOAD/M_T Serial Number : 280 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 : 0.0000 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1999-07-25T00:00Z Date Removed : 2003-03-20T00:00Z Additional Information : This station has now been decommissioned. 5. Surveyed Local Ties : NONE 6. Frequency Standard 6.1 Standard Type : H-MASER Input Frequency : 5 MHZ Effective Dates : 1999-07-25/2001-04-06 Notes : CH-176 Passive Maser 6.2 Standard Type : H-MASER Input Frequency : 5 MHZ Effective Dates : 2001-04-06/2001-05-29 Notes : CH-176 Passive Maser 6.3 Standard Type : H-MASER Input Frequency : 5 MHZ Effective Dates : 2001-05-29/2001-06-05 Notes : CH-176 Passive Maser #84067 6.4 Standard Type : H-MASER Input Frequency : 5 MHZ Effective Dates : 2001-06-05/2001-09-18 Notes : CH-176 Passive Maser #89086 6.5 Standard Type : H-MASER Input Frequency : 5 MHZ Effective Dates : 2001-09-18/2003-03-20 Notes : Active Maser 7. Collocation Information : NONE 8. Meteorological Instrumentation 8.3.1 Temp. Sensor Model : YSI 44212 Manufacturer : YSI Serial Number : XXX Data Sampling Interval : 900.00 SEC. Accuracy : 0.20 deg. C. Aspiration : NONE Height Diff to Ant : 12.59 m. Calibration date : Effective Dates : 1999-07-25/1999-07-29 Notes : Sensor elevated 2 metres above roof level. 9. Local Ongoing Conditions Possibly Affecting Computed Position: NONE 10. Local Episodic Effects Possibly Affecting Data Quality: NONE 11. On-Site, Point of Contact Agency Information Agency : NRCan/GEODETIC SURVEY OF CANADA Preferred Abbreviation : NRCan/GSD Mailing Address : 615 Booth St., Ottawa, Ontario : CANADA, K1A 0E9 Primary Contact Contact Name : Mark Caissy Telephone (primary) : 613-995-4024 Telephone (secondary) : Fax : 613-995-3215 E-mail : caissy@geod.nrcan.gc.ca Secondary Contact Contact Name : Peter Taylor Telephone (primary) : 613-992-2106 Telephone (secondary) : Fax : 613-995-3215 E-mail : peter.taylor@geod.nrcan.gc.ca Additional Information : 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : 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 : 13. More Information Primary Data Center : CDDIS Secondary Data Center : NRCan URL for More Information : Hardcopy on File Site Map : Site Diagram : Horizon Mask : yes Monument Description : Site Pictures : Additional Information : Antenna Graphics with Dimensions TurboRogue: AOAD/M_T ----- / + \ <-- 0.128 L2 | + | <-- 0.110 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | | | +------x------+ <-- 0.000 BPA <-- 0.381 --> BPA: Bottom of Preamplifier L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering