Blog

The Value of Location Tech

The term “location tech” has been around for a long time, but recently it seems to have been co-opted by Silicon Valley and the makers of consumer technologies. This is epitomized by the most prevalent tech that has rudimentary but ubiquitous location capability: phones. It’s estimated that as many as 65% of cellphone apps access...

Future of Surveying Forum

On January 22, 2016,  the National Council of Examiners for Engineering and Surveying (NCEES) kicked off a national initiative to examine the future of the surveying profession in a face-to-face forum with representatives from 18 key surveying associations, educational institutions, and practitioner constituencies. As one of the media outlets invited (to help with outreach), xyHt will be providing...

xyHt News Links: 1/29/16

SAM Announces Leadership Promotions OGC announces Arctic Spatial Data Infrastructure Project Topcon to feature mobile solutions center at World of Concrete Major Update of RIEGL’s Terrestrial Laser Scanning Software Suite Now Available Bluesky Boosts Drone Survey Offering with Cyberhawk Partnership FAA hits 3,000 exemptions, 300,000 registrations for UAVs Advanced Navigation releases GNSS/INS post-processing software Eos...

A Correctly Weighted Least Squares Adjustment, Part 1

Problems from using computed standard deviations. According to the 2011 Minimum Standard Detail Requirements for ALTA/ACSM Land Title Surveys, “‘Relative Positional Precision’ means the length of the semi-major axis, expressed in feet or meters, of the error ellipse representing the uncertainty due to random errors in measurements in the location of the monument, or witness,...

Web Mapping, Part 2

It’s as easy as 1, 2, built. In my last article in this series (December 2015), I briefly discuss the essence of what a web map is and the basic components. This part looks at the easy web mapping solutions that I briefly touch on in the last piece. I then discuss and provide the...

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