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RCliffWilkie
@rcliffwilkie
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Joined: Jul 30, 2015
Topics: 1 / Replies: 41
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RE: LDP site

Great discussion and so glad to see surveyors talking about Low Distortion Projections (LDP). I held for a long time out of personal stubborness, but...

9 years ago
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RE: RTK on the Baseline

0.02 ft is not too bad at all. To get better than that with GNSS you have to use more elaborate procedures in terms of centering measuring antenna he...

9 years ago
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RE: Expected precision using RTK

To me it seems important for me to keep in mind that RTK is certainly not the answer to all my positioning needs. It reminds me of microwave cooking....

9 years ago
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RE: Expected precision using RTK

My experience with RTK is that the vertical accuracy is usually better than 0.2 ft., but 0.2 ft is not unusual and I have seen positions as bad as 0.3...

9 years ago
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RE: Expected precision using RTK

The "accuracy" your getting is typical of RTK. As several have already said, average several positions with differing satellite geometries to get a m...

9 years ago
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RE: Static Data Collection Rates

Fifteeen seconds is the default I have used for years. I have not done any testing of this, dbut do know that faster rates for static positioning are...

9 years ago
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RE: Leica or Trimble....

John Putnam, post: 347815, member: 1188 wrote: I've been using the GS14 recently and really like it. I have not seen a reason to choose the GS15 over ...

9 years ago
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RE: GNSS: Long-term bias from multipath?

I doubt many people really know the answer to your question. I certainly don't, but I strongly suspect the solution will never converge towards an un...

9 years ago
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RE: LSQ, Transit, Compass, Crandall Adjustments

In my opinion using LSA doesn't make significant differences unless you have surveys with many "cross ties". With a loop traverse there really isn't ...

9 years ago
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RE: River Crossings

If the results are in meters, then 2 cm could certainly be significant in some circumstances. Can't help but be curious about what kind of mining is ...

9 years ago
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RE: River Crossings

If the results are in meters, then 2 cm could certainly be significant in some circumstances. Can't help but be curious about what kind of mining is ...

9 years ago
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RE: River Crossings

Interesting settlement results. I assume they are in feet not meters. If so it doesn't look like things have settled very much although I don't know...

9 years ago
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RE: River Crossings

Thanks for posting this. Very much needed from time to time. Would be nice if they followed up with something on higher order trig leveling. I know...

9 years ago
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RE: Reference position in Rinex file

For what it is worth: RINEX header positions are not always a pseudorange or some type of "approximate" position. The RINEX data that one gets onlin...

9 years ago
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RE: What to edit in a Rinex file?

Well, I'm glad to hear Yehuda Bock is alive and well. Hope he has many more years to come. I heard of his alleged demise about eight years ago and h...

9 years ago
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