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Dan Steely
@dan-steely
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Joined: Sep 16, 2014
Topics: 1 / Replies: 51
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RE: RTK Error Estimates in the Field - For Kent

>the absolutlely smallest the relative positional uncertainty could be was the value of the semi-major axis of the 95%-confidence error ellipse of ...

10 years ago
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RE: RTK Error Estimates in the Field - For Kent

>the connections between adjacent points in a network, can be better than the accuracy of the network with respect to datum (meaning the CORS netwo...

10 years ago
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RE: RTK Error Estimates in the Field - For Kent

Oh, and there's this:DESIGNATION - ACUTE RESET DW0851 PID - DW0851 DW0851 STATE/COUNTY- CA/IMPERIAL DW0851 COUNTRY - US DW0851 USG...

10 years ago
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RE: RTK Error Estimates in the Field - For Kent

br>Here is the white paper with appropriate formulas.

10 years ago
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RE: RTK Error Estimates in the Field - For Kent

> Okay, back to reality. If you examine the screen shots that Shawn posted, you'll see that they show the uncertainties of RTK vectors a few hundre...

10 years ago
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RE: RTK Error Estimates in the Field - For Kent

> > The other thing that catches my eye is that if the bottom screen you've linked purports to show the relative accuracy between the two points...

10 years ago
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RE: RTK Part 2

RTK Part Z> > >The same problem that you don't seem to want to think about now will continue, i.e. how to estimate the uncertainties of posit...

10 years ago
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RE: RTK Part 2

RTK Part Z>The same problem that you don't seem to want to think about now will continue, i.e. how to estimate the uncertainties of positions deriv...

10 years ago
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RE: RTK Part 2

Just curious Kent, but what is the semi-major axis of your 95% confidence error ellipse that represents the amount of money you lost by deciding to tr...

10 years ago
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RE: teqc - Subdivide Input File Command

teqc +obs + +nav nav.nav -tbin (time) (zpoint) (filename to convert)enter time slices under (time)if you enter 10 for time, and have a 60 min session,...

10 years ago
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RE: Advantages of dual frequency GPS over single frequency

Dual frequency receivers can nearly eliminate ionospheric delay. That's the only true difference, besides acting as a backup when you are in areas of...

10 years ago
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RE: GPS upgrade advice

A few things...The main advantage in upgrading to the 500 is adding GNSS capabilities (GLONASS, Beidu, Etc.), but there aren't many RTN stations suppo...

10 years ago
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RE: Any GNSS Weirdness Lately?

Does your Sarcastic Operating Procedure involve redundant occupations at different sidereal time offsets? If not I recommend using a Groma and some E...

10 years ago
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RE: Learning about drones

Gas engines on smaller setups can become problematic because of the vibrations associated. Not impossible, but you will find your vibration dampening...

10 years ago
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RE: 3 wire

I'm curious if anyone has ever used a yard rod for 3 wire. Its a 9' rod divided into yards and hundredths of a yard. You estimate the 3 wire reading...

10 years ago
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RE: GPS Fixed but ...

The difference between fixed and float is simply a statistical confidence, not a hard line GOOD or BAD. A float solution may have the proper integer ...

10 years ago
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RE: Please educate me on the need for TBC

> Gents,> Please help me see the reason TBC is useful. In Missouri we are spoiled with a solid VRS network that does check into 99% of published...

10 years ago
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RE: where to get a drone

Hello.I have spent many hours researching and learning and researching more and have come up with a parts list for a very nice mapping quadcopter. Ac...

10 years ago
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RE: FAA Rule on Drones

Its my understanding that they are referring to the same license needed to fly manned aircraft.

10 years ago
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RE: Android Pix4D mapping app for Phantom 2 Vision+ drone

Math Time> > OK James, let's do some math.> > > > The eBee can fly for 40 minutes on a charge. In that 40 minutes, it covers 2 acres...

10 years ago
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