NGS Status Report to GGOS Bureau for Networks and Communications: 2014 Dru Smith Kendall Fancher Charles Geoghagan Steve Breidenbach GGOS Bureau for Networks.

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Presentation transcript:

NGS Status Report to GGOS Bureau for Networks and Communications: 2014 Dru Smith Kendall Fancher Charles Geoghagan Steve Breidenbach GGOS Bureau for Networks and Communications 12/17/20141

2014 Activities 12/17/2014 GGOS Bureau for Networks and Communications Completed a local site survey of the Kauai, HI ITRF site in 2014 (VLBI, DORIS, GPS) First Foundation CORS installed in Richmond, Florida New geodetic control marks installed at TMGO in preparation for 2015 survey 2

2014 Kauai Survey 12/17/2014 GGOS Bureau for Networks and Communications 3

2014 Kauai Survey – SINEX issue SINEX file given to IERS contained VCV matrix which would not invert Discussions with Geosciences Australia about a possible issue with the AXIS software NGS will work with GA and correct Kauai SINEX and re-submit in /17/2014 GGOS Bureau for Networks and Communications 4

Foundation CORS at Richmond FL 12/17/2014 GGOS Bureau for Networks and Communications 5

Proposed 2015 Activities 12/17/2014 GGOS Bureau for Networks and Communications Conduct local site surveys at: – Mauna Kea, HI ITRF site VLBI and GPS – Table Mountain Geophysical Observatory (TMGO) in Longmont, CO GPS, Absolute Gravity, Superconducting Gravity – NRL calibration pier site in Stafford, VA SLR and associated calibration piers 6

Proposed 2015 Kauai Survey 12/17/2014 GGOS Bureau for Networks and Communications 7

Proposed 2015 TMGO Survey 12/17/2014 GGOS Bureau for Networks and Communications 8

= mark-to-mark sighting = mark-to-door sighting = mark-to-CORS sighting = TMGO CORS = Superconducting Gravimeter (inside) = Absolute Gravity Pier (inside) = Concrete pillar suitable for mounting GNSS antenna = Control Mark “Well Head” “CG” “ECKL 2014” = Door into observatory “A TMGO” 12/17/2014 GGOS Bureau for Networks and Communications 9 TMGO overview – 11 Interior marks on gravity piers will be positioned as part of the survey

IERS Site Survey Reports NGS site survey reports and associated data products are available for download at the NGS ISS program website: 12/17/2014 GGOS Bureau for Networks and Communications 10