***************************************** ST JOHN'S (STJO) SITE INFORMATION ***************************************** 0. Form Prepared by : Robert Duval date : 29-MAR-94 Report type : Update 1. Site Identification of the GPS Monument Site_name : ST JOHN'S 4 char ID : STJO Monu_ins : 920000 Iers_domes_no : 40101M001 CDP Number : N/A Date : Operational since 15-MAY-92 Additional Information : Monument is a concrete pillar on bedrock with force centering plate 2. Site Location: City : ST. JOHN'S, NEWFOUNDLAND Country : CANADA Tectonic Plate : NOAM Additional information : Located at Geological Survey of Canada (NRCan) seismic station 3. GPS Receiver(s): Type : MINI-ROGUE SNR-8C Serial Number : CR310 Firmware Version : MEENIX 7.? Date : 15-MAY-92 to 21-DEC-92 Type : MINI-ROGUE SNR-8C Serial Number : CR310 Firmware Version : MEENIX 7.3 Date : 21-DEC-92 to 25-FEB-94 20:00:00 UT Type : TURBO-ROGUE SNR-8000 Serial Number : T164 Firmware Version : TURBO 2.8 Date : 26-FEB-94 00:00:10 UT to Present 4. GPS Antenna(s): Type : DORNE-MARGOLIN B Serial Number : 114 Vertical Antenna Height: 0.162 Antenna Ref. Point : BASE OF CHOKE RING Date : 15-MAY-92 to 14-MAR-94 15:00:00 UT Type : DORNE-MARGOLIN T Serial Number : 171 Vertical Antenna Height: 0.003 Antenna Ref. Point : BOTTOM OF PREAMPLIFIER Date : 14-MAR-94 20:03:00 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 Tie(s): Monument CDP DOMES Components Source Accur. Date Inscrip. No. No. dX dY dZ mm yy_mm_dd -------- ---- -------- ------ ------ ------ --------- --- -------- 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 - Mark with "X" H-maser / / Cesium / / Rubidium / X / Internal/ / Date : 15-MAY-92 7. Collocation ( "P" for permanent, "M" for mobile collocation) SLR / / VLBI / / DORIS / / 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 to antenna type on site Rogue: DORNE MARGOLIN B (Allen Osborne Design) -------- / + \ <-- 0.096 L2 | + | <-- 0.078 L1 +--------------+--------------+--------------+ <-- 0.070 TCR | | | | | | | | +---------------------x----------------------+ <-- 0.000 ARP = BCR | | +--------------+ <-- -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 = BPA <-- 0.381 --> 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 : X Site Diagram : Horizon Mask : X Monument Description : X Site pictures : X