This site is operated volontarily, without obligation by
Herbert Berger
Pfarrer-Franz-Str. 1
63776 Moembris
Germany
Tel. +49-(0)6029-995983
e-mail: siteoperator@checksun.org. (Please state “checkSun” in the the
Subj. Line to avoid drowning in spam).

The purpose is to collect information relating to GPS controlled solar
tracking to be available publicly in a freeware-GPL context.

No warranty of any kind is implied or intended as to the applicability
and/or correctness of the displayed information.

Contribution/Update history:

11Aug08 Link check

31Mar07 Page “Listings” Link-vector to “sun.zip” (Sun Ephemeris and Refraction calculation code)

28Mar07 Page “Listings” shortcut for programmers

27Mar07 item <<2c page “Solutions” clarified

24Mar07 added downloadable xls spreadsheet data summary at page “Tables” (Analemma, Declination, Yearwheel). Added link to Jon Person’s homepage.

15Jan07 Ephemeris programs added page “Contributions”

13Jan07 Azimuth Ephemeris uncertainty unfounded, removed and
replaced by 40°N/21June “plumb-line” azimuth situation.

06Jan07 several clarifications inserted.

22Dec06 Azimuth pattern contradiction (page “Basics” above Orange-Cut
images)

17Dec06 page “Basics” down from “Orange-Cut” updated.

03Dec2006 Site established.