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Archived News

Here is a listing of PASSCAL News items from over 6 months ago. If you want to look up something newer, you should check Recent News.

Batholiths Experiment

The Batholiths experiment is a seismic refraction and wide-angle reflection survey across the Coast Mountains batholith of British Columbia, Canada. Several PASSCAL staff members will be deployed on the Batholiths Experiment in July of 2009. This project will involve over 2300 Texans and 1900 4.5Hz geophones in a combination of single-channel and three-channel station configurations, and will utilize two separate Field Centers.

Read more about the Batholiths Project at the Batholiths Website, and in a summary by PIs John Hole, George Spence and Kate Miller (810 kB).

A pair of photographic essays on Batholiths 2009 can be found here (short version) and here (long version).

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RefTek RT130 Timing Errors Affecting PASSCAL and FA Experiments

August 20, 2008 Updated: December 15, 2008. Program refj31fix released

Stations Affected: RT130 connected to a 130-GPS/01 with SiRF ublox Trimble module installed (aka SiRF-type)

Description of Problem: Starting on July 31st 2008 (julian day 213 2008) the SiRF-type started to shift in time by a second.  Since the 31st July 2008 the mysterious time shifts (back and forth) continue. At present SiRF has no explanation for these time shifts.

Identifying SiRF GPS:

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New Mexico Tech to Expand PASSCAL Instrument Center

Daniel H. López, president of New Mexico Institute of Mining and Technology (New Mexico Tech) in Socorro, authorized the expansion of the on-campus building that houses the IRIS PASSCAL Instrument Center and the EarthScope Array Operations Facility. The 1300 square foot addition, scheduled for completion in Spring 2009, will primarily provide laboratory and office space for PASSCAL’s recently expanded Polar Program activities supported primarily by the National Science Foundation’s Office of Polar Programs.

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