I've been running into problems at work with calculating a correction angle manually. The coworker that has been training me in ArcInfo 8 showed me a formula that I have yet to get to get to work - subtracting the bearing the line was originally drawn as from the one on the plat but carrying over a minute(60) or second(60) instead of one. I did ask for clarification but in his own words, he has forgotten more than I'll ever know and just knows that it works for him. As a stop-gap, I've been incrementing through until I get the "right" correction angle. Is there any kind of reference for this type of calculation? This wasn't covered in the GIS certification program I had, and googling hasn't returned much at all. Any input would be appreciated!
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