use the program DIALIST (published by NASS) to find out when it is local noon at the date you want. At that date and time, perpendicular to the direction of the sun (stick in the ground and its shadow) is your east west line. Thibaud
At 22:42 6-3-00 +0100, you wrote: -----Original Message/Oorspronkelijk bericht-------------- >Hello, fabulous sundiallists ! > >At first, many thanks to those who gave an answer to my two strange >questions (Fer, Gianni, Andrew, Fernando, Tony, Pete, Ron, Roger, >Thibaud, I hope I've forgotten anybody !) > >I did'nt clearly expose my problem : A wall must be built above a >foundation that has to be exactly oriented face to south. This wall will >contain an iron armature, so that a magnetic compass will not work >exactly near the wall. >So I thought to give an azimuth to the workers, for example by saying : >the wall must be perfectly aligned with this house angle an with this >treee. > >I thought that it was possible to point with the GPS particular points >around the wanted site. >I will take relatively far points to give a better accurate guideline >(e.g. some mountains twenty km far from my wall) >Is it playable ? > > >Regards > > >Alain MORY > >47°N 7°E >500 m > >Alsace, the country where the Sun shines in the gold wine glasses ! :-) > ----------------------------------------------------------------- Thibaud Taudin-Chabot 52°18'19.85" North 04°51'09.45" East home email: [EMAIL PROTECTED] (attachments max. 500kB; for larger attachments contact me first)
