GPS World, December 2009
ONLINE RESOURCES Tech Talk Offers New Blogs Go to www gpsworld com techtalk or click on Blogs at gpsworld com The GPS World Tech Talk blog is a resource for industry professionals and academics to share technical details surrounding GNSS systems receivers and applications Every two months three new blogs often with diagrams photos and formulas are posted by international experts They provide an excellent quick reference are categorized by subject matter and offer visitors options to comment and submit questions for future blogs Recent entries The Unexploded Ordnance and High Precision Geolocation by Jong Ki Lee The detection and remediation of UXO contaminated sites using the traditional methods are extremely inefficient in that it is difficult to distinguish the buried UXO from the noise of geologic magnetic sources or anthropic clutter items such as exploded ordnance fragments and agriculture or industrial artifacts Neural network aided filtering with INS GPS may help Data Quality Concerns In CM Accurate Gravimetric Geoid Determination by Karla Edwards National Geodetic Survey has embarked upon an ambitious initiative to compute a centimeter accurate gravimetric geoid for the U S What quality of height and gravity data will produce a suitably accurate and more specifically a cmaccurate gravimetric geoid solution Tracing PWV Variation Using GPS Meteorology During a Severe Typhoon by Dong Seob Song Recording the atmospheric water vapor variation during the passage of a typhoon is particularly important as it is the main source of precipitation and a dominant constituent of energy resources related to typhoon dynamics One technique is groundbased GPS meteorology Dorota Brzezinska Forum Moderator Hottest Pages @ GPSWorld com October 17 November 16 2009 1 President Congress Abandon National Infrastructure 2 Upgrade of GPS Control System to Be Testted 3 Galileo Will No Longer Require Special Manufacturers License GNSS Design Test newsletter 4 Whats the Difference between a Used Car Salesman and a GPS Salesman Survey Scene newsletter 5 Trimble Yuma The Perfect Handheld GPS Transceiver Defense PNT newsletter 6 GPS Constellation Management Playing Not to Lose Survey Scene newsletter 7 Administration Ax Falls on PNT Backup Loran C 8 Loran What the President Meant to Say Was Defense PNT newsletter 9 Trimble Adds Three GPS Receivers Software to Survey Products 10 Free A Good Price for Turn by Turn Consumer OEM newsletter UPCOMING WEBINAR An Overview of the GPS GIS Data Capture Value Chain 12 p m PT 3 p m ET Thursday Janyary 28 2010 Hosted by Professional OEM Contributing Editor Rob Lorimer Robs latest webinar will outline GPS based datacapture techniques for Enterprise GIS geographic information systems that are integrated throughout an entire organization He discusses the scope of the value chain from individual data capture devices to automated mobile datacapture systems Bring your questions Sign up for our webinars at www gpsworld com webinar GPS World December 2009 www gpsworld com 4
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