Copyright

The algorithm is based on the technical report "Solar Position Algorithm for Solar Radiation Application" by I. Reda & A. Andreas, National Renewable Energy Laboratory (NREL), USA (revision 14-JAN-2009).

NOTICE
Copyright (C) 2007 Alliance for Sustainable Energy, LLC, All Rights Reserved

This computer software was developed by the Alliance for Sustainable Energy, LLC, hereinafter the Contractor, under Contract DE-AC36-08GO28308 (Contract) with the Department of Energy (DOE). The United States Government has been granted for itself and others acting on its behalf a paid-up, non-exclusive, irrevocable, worldwide license in the Software to reproduce, prepare derivative works, and perform publicly and display publicly. Beginning five (5) years after the date permission to assert copyright is obtained from the DOE, and subject to any subsequent five (5) year renewals, the United States Government is granted for itself and others acting on its behalf a paid-up, non-exclusive, irrevocable, worldwide license in the Software to reproduce, prepare derivative works, distribute copies to the public, perform publicly and display publicly, and to permit others to do so. If the Contractor ceases to make this computer software available, it may be obtained from DOE's Office of Scientific and Technical Information's Energy Science and Technology Software Center (ESTSC) at P.O.Box 62, 1 Science Gov Way, Oak Ridge, TN 37831-1020. THIS SOFTWARE IS PROVIDED BY THE CONTRACTOR "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRACTOR OR THE U.S. GOVERNMENT BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER, INCLUDING BUT NOT LIMITED TO CLAIMS ASSOCIATED WITH THE LOSS OF DATA OR PROFITS, WHICH MAY RESULT FROM AN ACTION IN CONTRACT, NEGLIGENCE OR OTHER TORTIOUS CLAIM THAT ARISES OUT OF OR IN CONNECTION WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.