Dear Friends, The program "The Dialist's Companion" gives dynamic values for refraction throughout the day.
It can be downloaded from: http://www.shadow.net/~bobt/dcomp/dcomp.htm The program is shareware with a modest registration fee of $15. All income from the program goes to the North American Sundial Society. Information on registration can be found within the program. Best regards, Bob Terwilliger [EMAIL PROTECTED] http://www.shadow.net/~bobt