"Slawomir K. Grzechnik" <[EMAIL PROTECTED]> wrote: > Hi John > > Short answers to some of your questions. > > Refraction does not change the azimuth, it significantly changes the > altitude.
[...] > Slawek Yes, the azimuth will be preserved, but the change in altitude will change the position of the shadow cast by the gnomon, will it not? I believe this to be John's concern, and him to be correct in his concern. However, I don't know how to evaluate the magnitude of the error, which is the heart of his question. Jim ------------------- ---------------------- -------------------- | Jim Cobb | 540 Arapeen Dr. #100 | [EMAIL PROTECTED] | | Parametric | Salt Lake City, UT | (801)-588-4632 | | Technology Corp. | 84108-1202 | Fax (801)-588-4650 | ------------------- ---------------------- -------------------- "Automatic" simply means that you can't repair it yourself. -- Mary H. Waldrip
