GSDMMr. Day,You asked a very important question. The simple answer is "no."But, you and others (any/all spatial data users) deserve a better answer. ...

Mr. Ellis,You asked a good question and there is a good answer. The GSDM provides local flat earth coordinates with respect to any point you name as ...

Sorry about that. I thought I was posting a small postage stamp photo that appears to the right of the header. I'll try to get it right the next tim...

1. A friend pointed me to this discussion. I am grateful.2. Although I am a novice at posting replies, I have read and accept the terms of use for t...