David Williams wrote:
| I wrote this QBasic program a few days ago. It calculates the
| position of the sun in the sky as azimuth (true compass bearing)
| and angle of elevation, as seen from anywhere on earth, at any time
| on any date. It also calculates the orientation of a mirror if it
| is to reflect sunlight in any desired direction, as is done in a
| heliostat. With some additions to make the computer control motors
| that turn the mirror, this program could be the basis of software
| for a computer-controlled heliostat.
What have you changed/corrected from the previous version?
DeSoto, Iowa USA