How to Find Corner Pins: Difference between revisions
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*Metal detector, GPS, compass [https://www.youtube.com/watch?v=aAieimvwyQs]. But - they may be removed in which a surveyor will likely need to mark it. | *Metal detector, GPS, compass [https://www.youtube.com/watch?v=aAieimvwyQs]. But - they may be removed in which a surveyor will likely need to mark it. | ||
*Why does a survey cost so much? [https://www.youtube.com/watch?v=dsKVH2OIBzg] | *Why does a survey cost so much? [https://www.youtube.com/watch?v=dsKVH2OIBzg] | ||
*Resolution of satellites is 28 cm in the USA. Google maps resolution appears to be higher because it is aerial photos. [https://www.quora.com/What-is-the-highest-resolution-satellite-image-Earth-viewer-like-Google-Earth-for-free-or-paid-available-to-the-public]. Google Earth is 15m to 15 cm resolution [https://en.wikipedia.org/wiki/Google_Earth#:~:text=Imagery%20is%20hosted%20on%20Google's,of%20resolution%20to%2015%20centimeters.] | |||
*GPS is 6 foot accuracy [https://www.gps.gov/systems/gps/performance/accuracy/#:~:text=The%20government%20provides%20the%20GPS,interval%2C%20with%2095%25%20probability.] | |||
[[Category: Cartography, GIS, Maps, and Surveying]] |
Latest revision as of 00:24, 29 October 2022
- Coordinates trump vector measurements [1]
- Use a metal detector [2]
- Metal detector, GPS, compass [3]. But - they may be removed in which a surveyor will likely need to mark it.
- Why does a survey cost so much? [4]
- Resolution of satellites is 28 cm in the USA. Google maps resolution appears to be higher because it is aerial photos. [5]. Google Earth is 15m to 15 cm resolution [6]
- GPS is 6 foot accuracy [7]