***************************************** YELLOWKNIFE (YELL) SITE INFORMATION ***************************************** 0. Form Prepared by : Robert Duval date : 16-DEC-93 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 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 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 40127S001 52.933 -57.155 -17.996 GSD/M93-301 2 93-12-13 Differential coordinates are from the GPS monumemt 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 - Mark with "X" H-master / / Cesium / / Rubidium / X / Internal/ / Date :93-MAR-20 7. Collocation ( "P" for permanent, "M" for mobile collocation) SLR / / VLBI / P / DORIS / P / PRARE / / Other (specify) : 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.emr.ca Fax : 613-995-3215 9. Responsible Operations Agency: see No. 8 10. Graphic(s) corresponding antenna type on site Rogue: DORNE MARGOLIN B (Allen Osborne Design) -------- / + \ <-- 0.096 L2 | + | <-- 0.076 L1 +--------------+--------------+--------------+ <-- 0.070 TCR | | | | | | | | +---------------------x----------------------+ <-- 0.000 ARP = BCR | | +--------------+ <-- -0.011 | | | | <-- 0.351 --> Acronyms: ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Choke ring BCR: Bottom of choke ring TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier 11. Hard copy information available Site map : to be forwarded Site Diagram : Horizon Mask : Monument Description : Site pictures : ********************* END OF FORM ***********************