Kippzonen BSRN Scientific Solar Monitoring System Manual do Utilizador descarregar pdf (Página 178)

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Annex I Solar Position Algorithm

An algorithm is provided for the calculation of astronomical parameters in QuickBasic. The subroutine

is based upon the publication of Michalsky (1988) and uses the approximation formulae found in the

Astronomical Almanac.

C-code based upon Michalsky (1988) can be found at http://rredc.nrel.gov/solar/codes_algs/solpos/#refs.

Information on the use of the code and a manual is also available at the site.

Other web-based solar position algorithms can be found at the following locations:

For Excel-based work: http://users.vei.net/pelican/sunrise.htmlpelican/sunrise.html

On-line calculation of parameters: http://susdesign.com/sunangle/

http://solardat.uoregon.edu/SolarPositionCalculator.html

A VisualBasic dll (dynamic link library) providing solar position is available by contacting the author

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Kippzonen BSRN Scientific Solar Monitoring System Manual do Utilizador Página 178