xyHt in print August 2014 Archives

From Traditional Photogrammetry to UAS

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This entry is part 7 of 8 in the series xyHt in print August 2014

Photogrammetry has changed substantially in the past three decades. When Jeff Yates began in the business 32 years ago, he used a projection system known as a Kelsh two-bucket plotter. “That was four generations ago of photogrammetric systems hardware,” he recalls. “From there, we went to the analog stereo plotter. That was the second big […]

The Lot Corner

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This entry is part 8 of 8 in the series xyHt in print August 2014

A large survey-engineering firm had developed a subdivision, bounded by a section line on the north side and a 1950 subdivision and 1/16 line on the east side. By doing so they had exposed a five-foot overlap between the section line as run with GPS and the 1950 subdivision. They sought advice from the county […]