Brian Schofield 2021-04-20 UPDATE Chilliwack CHWK 987020 40142M001 STAINLESS STEEL PEDESTAL 1.5 CONCRETE RESERVOIR FORCED CENTERED STAINLESS STEEL PLATE 1998-11-17T00:00:00Z crushed gravel on bedrock (see below) COVERED BY GRAVEL - SEE BELOW SEE BELOW none CASCADIA SUBDUCTION ZONE see below This station is part of the Western Canada Deformation Array (WCDA). The following information is current as of 2005-08-16: ******************************************* The GPS reference mark consists of a stainless steel plate with a forced centered bolt. The stainless steel plate is the top surface of a stainless steel pedestal mounted on top of a concrete water reservoir. The pedestal is 1.2 metres high, 15.2 cm in diameter. The antenna is fastened to the pedestal using a tamper resistant mechanism which permits orientation of the antenna. The antenna and choke ring assembly are protected by a dome. The water reservoir is constructed on top of a compacted layer of gravel, situated on top of bedrock and compacted till. The stainless steel GPS pedestal is attached to the concrete using stainless steel threaded rod and epoxy based grout. The pedestal is mounted over one of four support columns within the reservoir. Please see contact information below for more information rega Chilliwack B.C. Canada NORTH AMERICAN -2215259.73 -3543996.83 4802098.77 49.1566 -122.0084 see below This station is part of the Western Canada Deformation Array (WCDA). The following information is current as of 2005-08-16: ******************************************* The GPS reference mark consists of a stainless steel plate with a forced centered bolt. The stainless steel plate is the top surface of a stainless steel pedestal mounted on top of a concrete water reservoir. The pedestal is 1.2 metres high, 15.2 cm in diameter. The antenna is fastened to the pedestal using a tamper resistant mechanism which permits orientation of the antenna. The antenna and choke ring assembly are protected by a dome. The water reservoir is constructed on top of a compacted layer of gravel, situated on top of bedrock and compacted till. The stainless steel GPS pedestal is attached to the concrete using stainless steel threaded rod and epoxy based grout. The pedestal is mounted over one of four support columns within the reservoir. Please see contact information below for more information rega 297 ROGUE SNR-8000 GPS 3.2 lk 95/03/09 5 1998-11-17T22:54:00Z 1999-05-31T18:28:00Z 1998-11-17T00:00:00Z 297 ROGUE SNR-8000 GPS 3.2.32.8 lk 98/12/28 5 1999-05-31T18:28:00Z 2002-03-07T19:09:00Z 1999-05-31T00:00:00Z 297 ROGUE SNR-8000 GPS 3.2.32.11 lk 02/03/07 5 2002-03-07T19:09:00Z 2005-07-31T04:00:00Z 2002-03-07T00:00:00Z 2025 AOA BENCHMARK ACT GPS 3.3.32.5 lk 00/12/03 5 2005-08-10T20:00:00Z 2008-01-25T20:00:00Z 2005-08-10T00:00:00Z 4641123492 TRIMBLE NETRS GPS 1.2-0 26 Apr 2007 5 2008-01-25T21:00:00Z 2010-08-04T20:30:00Z 2008-01-25T00:00:00Z 4641123492 TRIMBLE NETRS GPS 1.3-0 05 Apr 2010 5 2010-08-04T20:40:00Z 2013-11-20T21:12:00Z 2010-08-04T00:00:00Z 4641123492 TRIMBLE NETRS GPS 1.3-2 30 Oct 2012 5 2013-11-20T21:16:00Z 2020-11-24T18:00:00Z 2013-11-20T00:00:00Z 3016105 SEPT POLARX5 GPS+GLO+GAL 5.3.2 0 2020-11-26T00:15:00Z 2021-03-28T23:59:00Z 2020-11-26T00:00:00Z 3016105 SEPT POLARX5 GPS+GLO+GAL+BDS 5.3.2 0 2021-03-29T00:00:00Z 2021-03-29T00:00:00Z 94368 AOAD/M_T UNAV BPA 0.0000 0.0000 0.0000 0 UNAV RG-214 36.7 1998-11-17T22:54:00Z 1999-08-05T15:58:00Z 1998-11-17T00:00:00Z 94368 AOAD/M_T SCIS BPA 0.0000 0.0000 0.0000 0 SCIS 00016 RG-214 36.7 1999-08-05T15:58:00Z 2008-01-25T20:00:00Z 1999-08-05T00:00:00Z 0220364742 TRM29659.00 SCIS BPA 0.0000 0.0000 0.0000 0 SCIS 00016 RG-214 36.7 2008-01-25T21:00:00Z 2010-11-05T19:30:00Z 2008-01-25T00:00:00Z 0220365587 TRM29659.00 SCIS BPA 0.0000 0.0000 0.0000 0 SCIS 00016 RG-214 36.7 2010-11-05T20:30:00Z 2020-11-24T18:00:00Z 2010-11-05T00:00:00Z 5135 SEPCHOKE_B3E6 SPKE BPA 0.0000 0.0000 0.0000 0 SPKE Andrews FSJ4-50B 27.5 2020-11-26T00:15:00Z 2020-11-26T00:00:00Z INTERNAL CLOCK STEERING 1998-11-17 Currently Installed 1998-11-17T00:00:00Z Lisa Nykolaishen Geological Survey of Canada 250-363-8808 250-363-6500 250-363-6565 P.O. Box 6000 9860 West Saanich Rd. Sidney, B.C. Canada V8L 4B2 Lisa.Nykolaishen@canada.ca Brian Schofield Geological Survey of Canada 250-363-6701 250-363-6500 250-363-6565 P.O. Box 6000 9860 West Saanich Rd. Sidney, B.C. Canada V8L 4B2 Brian.Schofield@canada.ca PGC NRCan/CGS ftp://wcda.pgc.nrcan.gc.ca (Y) (Y) (Y) (Y) Hardcopy Information available from www site or site contact Antenna Diagram A ***************** TURBOROGUE: AOAD/M_T (not to scale) . . . . . . . . . . . . . . . . <-- DOME (UNAV) . . . . . . . . . . . . . . . . ----- . . / + \ . . | + | . . +-----------------------------------------------+ . . | | . . | | . . | | . . | | . . +-+------------------------------------------------+-+ . . +-------------------+-------------+------------------+ . . | | | | | | . STAINLESS STEEL | | | | | | SECURITY BOLT-> | | +------X------+ <----|-|--------- 0.000 BPA=ARP | | * * | | ============ * * ============ * * STAINLESS STEEL ============ * * ============ SECURITY RING * * * * STAINLESS * * STEEL * * PEDESTAL X ... Antenna Reference Point (ARP) AND Monument Reference Point Antenna Diagram B ***************** TURBOROGUE: AOAD/M_T (not to scale) . . . . . . . . . . . . . . . . <-- DOME (SCIS) . . . . . . . . . . . . . . . . ----- . . / + \ . . | + | . . +-----------------------------------------------+ . . | | . . | | . . | | . . | | . . +-+------------------------------------------------+-+ . . +-------------------+-------------+------------------+ . | | | | | | STAINLESS STEEL | | | | | | SECURITY BOLT-> | | +------X------+ <----|-|--------- 0.000 BPA=ARP | | * * | | ============ * * ============ * * STAINLESS STEEL ============ * * ============ SECURITY RING * * * * STAINLESS * * STEEL * * PEDESTAL X ... Antenna Reference Point (ARP) AND Monument Reference Point Antenna Diagram C ***************** TRM29659.00 (not to scale) . . . . . . . . . . . . . . . . <-- DOME (SCIS) . . . . . . . . . . . . . . . . ----- . . . . / + \ . . | + | . . +-----------------------------------------------+ . . | | . . | | . . | | . . | | . . +-+------------------------------------------------+-+ . . +-------------------+-------------+------------------+ . | | | | +------X------+ <---------------- 0.000 BPA=ARP * * * * * * * * * * * * STAINLESS * * STEEL * * PEDESTAL X ... Antenna Reference Point (ARP) AND Monument Reference Point Antenna Diagram D ***************** SEPCHOKE_B3E6 SPKE (not to scale) . . . . . . . . . . . . . . . . . . . <-- DOME (SPKE) . . . . . . . . . . . . . . . . --------------- . <-- 0.1550 . / \ . . | | . . +-----------------------------------------------------+ . <-- 0.1080 TCR . | | . . | | . . | | . . |<-- 0.3630 -->| . . +-----------------+-----------------+-----------------+ . <-- 0.0480 BCR |<-- 0.1210 -->| | | | | +--------x--------+ <------------------- 0.0000 BPA=ARP * * (5/8&#34;&#34; thread might * * differ from BPA!) * * * * * * STAINLESS * * STEEL * * PEDESTAL x ... Antenna Reference Point (ARP) AND Monument Reference Point TODO CHWK00CAN-20201230-MON.jpg image 2020-12-30T03:57:12Z 2020-12-30T00:00:00Z CHWK00CAN-20210903-E.jpg image 2021-09-03T01:45:30Z 2021-09-03T00:00:00Z CHWK00CAN-20210903-N.jpg image 2021-09-03T01:45:04Z 2021-09-03T00:00:00Z CHWK00CAN-20210903-S.jpg image 2021-09-03T01:45:55Z 2021-09-03T00:00:00Z CHWK00CAN-20210903-W.jpg image 2021-09-03T01:46:21Z 2021-09-03T00:00:00Z