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Is RangePoint RTX a significant upgrade over WAAS??
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Posted 5/18/2017 14:29 (#6023400 - in reply to #6023224)
Subject: RE: Yes.

olf20 - 5/18/2017 11:27

So what is the signal flow thru a RTK system.
Thats the part I don't get.
When we have a problem, its hard to determine where
the problem lies. If I / we had a web site or ? where
you could see or tell a particular part to the system is
working would be helpful.
My point is its hard to determine if its a signal or
a hardware problem.
Just curious.
Thanks for any help!
olf20 / Bob

Here’s the non-technical 30,000-foot overview.

GNSS signals go from GPS and/or GLONASS satellites to a reference station. The reference station calculates its GNSS position and compares that position to its known position (based on a previous survey). From that comparison, it generates a correction signal and sends that via line-of-sight radio or cellular internet to any compatible hardware in its coverage area.

In the field, GNSS signals (hopefully mostly the same signals as the ones seen at the reference station) are also being received by the rover receiver on the machine. The rover receiver also receives the correction signal from the reference station via radio or cellular modem. The rover receiver initially calculates its uncorrected GNSS position and then applies the correction to obtain its final position.

Once the final position is calculated by the receiver, that position is passed on to the display, guidance controller, or any other onboard device that needs it.
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