Leveling procedures/observing sequence
I am working with some level data, and when I import it into my Spectra Precision Survey Office, it asks me for BF, BBFF, BFFB, or BFBF.
BF = Backsight Foresight
BBFF = Backsight Backsight Foresight Foresight
BFFB = Backsight Foresight Foresight Backsight
BFBF = Backsight Foresight Backsight Foresight
Does anyone know of a graphic that would describe or illustrate the differences between these methods? I’m looking through my books here at the office, without luck so far. Most of my books are at home.
Thanks,
Jimmy
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