checkSun Open Spectrum
Galileo/GPS controlled Solar Tracking
           Freeware/GPL context
 

Astronomiesoftware Dings: This Ephemeris
tool is precise to 0.1° and displays the Azimuth
angle for the sun already corrected with the
Analemma (Zeitgl.). Register for a small amount!

http://virtualskysoft.de/

* * * * *

Thanks to Jon Sachs for his freeware Ephemeris
tool (with 15 min. intervals, also for the desktop
available).

http://home.comcast.net/~jonsachs/#Ephemeris%201.0