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| The vertical component is pretty tricky, because it's so dependent on the VDOP, which can vary dramatically in a single day. When VDOP is low (and you've got a good GPS receiver, and a good antenna, with a good choke ring, and it's mounted properly, etc., etc.) GPS systems for dirtmoving are great.
Mission planning is vital, however. Because the result is so dependent on the GPS conditions, I think it will be hard to develop performance standards for dynamic vertical position testing.
That said, I think we'd all applaud any attempt, if only because it IS such a hard problem!
But just having a standard for horizontal performance and accuracy is a hard job, and to be commended.
I'm a big fan of standards.
-Bill | |
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New GPS Resource
