Thanks to all for the responses.Chicopee, I guess it would have been more accurate for me to say that I had forgotten how to do the calculations by hand then to say I "wasn't sure" how to do them. Growing up in the computer age can make a person forgetful & sometimes lazy. Also, with the amount...
I located the tops of some trees(about 350 points) using an instrument in reflector-less mode from a point on the ground. I also have a point that I have a coordinate on, roughly 7 meters above my ground point which cannot be occupied by an instrument.I need to determine what the zenith angles...