******************************************** YELLOWKNIFE (YELL) SITE INFORMATION ******************************************** 0. Form Prepared by : Robert Duval date : 22-AUG-96 Report type : Update 1. Site Identification of the GPS Monument Site_name : YELLOWKNIFE 4 char ID : YELL Monu_ins : 889201 Iers_domes_no : 40127M003 CDP Number : N/A Date : Operational since 21-JAN-91 Additional Information : Monument is a concrete pillar on bedrock with force centering plate 2. Site Location: City : YELLOWKNIFE, N.W.T. Country : CANADA Tectonic Plate : NOAM Additional information : Located at Geological Survey of Canada (NRCan) Seismic Observatory 3. GPS Receivers: Type : ROGUE SNR-8 Serial Number : R116 Firmware Version : MEENIX Date : 21-JAN-91 to 19-MAR-92 Type : MINI-ROGUE SNR-8C Serial Number : CR309 Firmware Version : MEENIX Date : 20-MAR-92 to 18-DEC-92 Type : MINI-ROGUE SNR-8C Serial Number : CR309 Firmware Version : MEENIX 7.3 Date : 19-DEC-92 to 16-MAR-94 18:00 UT Type : TURBO-ROGUE SNR-8000 Serial Number : T230 Firmware Version : 2.8.32.1 Date : 16-MAR-94 20:00 UT to 11-MAY-94 14:32 UT Type : TURBO-ROGUE SNR-8000 Serial Number : T302 Firmware Version : 2.8.32.1 Date : 11-MAY-94 14:52 UT to 24-OCT-95 00:00 UT Type : TURBO-ROGUE SNR-8000 Serial Number : T302 Firmware Version : 3.2.32.1 Date : 24-OCT-95 00:00 UT to Present 4. GPS Antennas: Type : DORNE-MARGOLIN B Serial Number : 110 Vertical Antenna Height: 0.111 Antenna Ref. Point : BASE OF CHOKE RING Date : 21-JAN-91 to 19-MAR-92 Type : DORNE-MARGOLIN B Serial Number : 117 Vertical Antenna Height: 0.117 Antenna Ref. Point : BASE OF CHOKE RING Date : 20-MAR-92 to 16-MAR-94 18:00 UT Type : DORNE-MARGOLIN T Serial Number : 273 Vertical Antenna Height: 0.082 Antenna Ref. Point : BOTTOM OF ANTENNA ASSEMBLY Date : 16-MAR-94 20:00 UT to 13-OCT-94 21:52 UT Type : DORNE-MARGOLIN T Serial Number : 273 Vertical Antenna Height: 0.100 Antenna Ref. Point : BOTTOM OF ANTENNA ASSEMBLY Date : 14-OCT-94 00:15 UT to 22-AUG-96 00:00 UT Type : DORNE-MARGOLIN T Serial Number : 285 Vertical Antenna Height: 0.100 Antenna Ref. Point : BOTTOM OF ANTENNA ASSEMBLY Date : 22-AUG-96 00:00 UT to present The antenna height is measured from the GPS monument to the antenna reference point (ARP) as it has been defined in the graphic (item 10). 5. Local Site Ties: Monument CDP DOMES Components Source Accur. Date Inscrip. No. No. dX dY dZ mm yy_mm_dd 829098 7285 40127M001 327.855 -314.587 -82.910 GSD/M93-301 2 93-12-13 909012 7296 40127M004 52.933 -57.155 -17.996 GSD/M93-301 2 93-12-13 Differential coordinates are 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: estimated accuracy of local survey (millimeters). 6. Frequency standard Rubidium Date: 93-MAR-20 to 94-AUG-02 H-maser Date: 94-AUG-02 to present 7. Collocation ( "P" for permanent, "M" for mobile collocation) VLBI (P) DORIS (P) 8. On-site Agency Information Agency : GEODETIC SURVEY OF CANADA Contact : Robert Duval Address : 615 Booth St., Ottawa, Ont. CANADA, K1A 0E9 Telephone : 613-947-2786 E-mail : duval@geod.nrcan.gc.ca Fax : 613-995-3215 9. Responsible Operations Agency: see No. 8 10. Graphic(s) corresponding antenna type on site ANTENNA CONFIGURATION ON SITE SINCE 14-OCT-94: 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 11. Hard copy information available Site map : X Site Diagram : X Horizon Mask : X Monument Description : X Site pictures : X