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GPS PROS Group Forum is for any member of LSU that is a professional land surveyor using primarily GPS in the field. Geodetic / Global Positioning Systems (GPS) Get help and offer support with survey grade GPS!

Surveyor Community Forums (42)

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Data Link for your GNSS System

Is the CELL Phone really the Achilles Heel of your GNSS Geo Station?Unfortunately, there is no magic solution. Your coverage is limited by the service provider that you have chosen to use. In speaking with some infrastructure people at Trimble, their

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To all NYSNet CORS users

To all NYSNet CORS users:We have two Real Time Network outages to announce. On Tuesday, September 15, 2009, from 7:00 pm to 10:00 pm EDT there will be an outage affecting all NYSDOT Web-based applications so that our IT division can install new hardw

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UTM to Lat and Long or Lat

I went to gogle earth keyed in the Northing and easting into the push marker and it converted them for me. Plus it showed me exactly where the point of interest was on the image of the area I am surveying.Thanks

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GPS Verticle hit and Miss ???

Comment by Jim 1 second ago Delete Comment Verticle, GPS is seems undesirable at times. 1/4" - 2' variables. Not good when your putting in Pavement grades, our control. Any one have insight here. I have had time of hitting right on but the hit and mi

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It seems complicated

It seems complicated to use 24 satellites orbiting at 12,600 - 22,000 miles, rising and setting each 12 hours, to find our geographic position. In fact, the solution is simple. Trilateration (the measurement of distance and location) is used to pinpo

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Lucky Number Five (L5)

Lucky Number FiveSystem Design & Test Newsletter, February 2009Feb 24, 2009By: Alan CameronGPS WorldBy this time next month, we should have witnessed GPS Modernization Truly Rising. In the form of IIR-20(M), the GPS satellite carrying the first paylo

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Communications Satellites

On February 10, the Iridium 33 and Cosmos 2251 communications satellites collided over northern Siberia, at approximately 1656 GMT.The impact between the Iridium Satellite LLC-owned satellite and the 16-year-old defunct Russian military satellite occ

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Basic concept of GPS

Basic concept of GPSA GPS receiver calculates its position by precisely timing the signals sent by the GPS satellites high above the Earth. Each satellite continually transmits messages containing the time the message was sent, precise orbital inform

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