I have had several responses. One or two were sent to the reflectors. Thanks one and all, my situation should be solved. 73, dave W7DPW ----- Original Message ----- From: "Dave W7DPW" <w7dpw at comcast.net> To: "writelog" <writelog at contesting.com>; "rtty" <rtty at contesting.com> Sent: Monday, March 08, 2004 11:47 AM Subject: GridSquare, Calculating Distance > I would like to find the formula for calculating the distance between > two gridSquares. >> Can some one point me in the right direction ? >> Dave W7DPW >