SIS Exhibiting with CompassData for ASPRS 2012 Annual Conference

March 15, 2012 -- Starkville, MS-- Exhibiting for the American Society for Photogrammetry and Remote Sensing (ASPRS) 2012 Annual Conference begins Wednesday, March 21, 2012.  Mapping software firm Spatial Information Solutions® (SIS) will be exhibiting alongside survey and ground control firm CompassData® in Sacramento, CA.

CompassData collects survey data used for control and checkpoints and SIS provides software which uses surveyed checkpoints to verify data accuracy. Visit booth 223 during exhibiting hours to see the latest SIS software releases, Topo Analyst and LiDAR Testing Extension, as well as the company’s flagship product, Accuracy Analyst. You can also visit the world’s largest commercially available archive of ground control, with more than 18,000 points and find out more about the comprehensive Field Services and independent QA/QC offered by CompassData.

“For anyone looking at improving the accuracy and quality of their data products, our booth should provide a nice ‘one-stop shop’ for control, checkpoints, and verification solutions,” said Chuck O’Hara, President of SIS.

O’Hara and Mike Tully of Aerial Services, Inc. will be presenting “When Accuracy Counts, Error/Accuracy Assessment and Photogrammetry” in a Special Session, Wednesday 3:30-5:00 p.m. in Room 305 of the Sacramento Convention Center.  O’Hara will also be presenting “Data Life Cycle Approaches to LiDAR Data Verification” during the Accuracy/Error Assessment # 5: LiDAR, Friday 9:00-10:30 a.m. in Room 310 of the Sacramento Convention Center.

If you are interested in a booth appointment to view SIS software and CompassData’s surveyed checkpoint archive or a demo of tools and technologies, email Leslie O’Hara, or call 662-323-0202 or email Hayden Howard, Email Contact or call 303-627-4058.

Created with photogrammetrists and mapping professionals in mind, the software from SIS is designed to ensure data accuracy and quality in GIS digital maps. Surveyed checkpoints are an integral part of ensuring mapping accuracy by verifying the specific location points on the surface of the earth. SIS technology automates geodata accuracy and quality verification, verifies LiDAR and raster elevation data accuracy, and provides other QA/QC tools. 

Visit to learn more about Accuracy Analyst and Topo Analyst, or contact Leslie O’Hara at Email Contact or phone her at 662-323-0202 ex. 11. Following purchase, Leslie will provide information on how to choose three free GCPs.  Visit CompassData’s archive files at


About Spatial Information Solutions, Inc.

Spatial Information Solutions, Inc. (SIS) provides software-based map accuracy and content enhancement solutions that enable its customers to map with confidence. SIS is an active member of the EIGS geospatial technology cluster of the Magnolia Business Alliance (MBA). MBA’s goal is to impact economic development by serving as an advocate for small and medium sized businesses. For more information, visit

About CompassData

CompassData® is the world’s foremost supplier of GPS-based ground control survey data, maintaining the largest commercially available archive of Ground Control Points (GCP). Continuously adding to its more than 18,000 GCP, CompassData provides accurate geospatial data and collection services for clients in a partnership model. CompassData is the home of the Control Freaks®, famous for their worldwide data collection capability and their mission to map the world. A Woman-Owned Small Business, registered on the CCR, CompassData delivers value by providing accurate geospatial data and collection services on time and within budget. Call 303-627-4058 or visit


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