The Sky Commander XP4 Digital Setting Circle Computer is packed with the
features you need at an affordable price. To learn more click here.
Try out the new Catalog Database Explorer -- Click Here.
Try out the AZ-EL Calculator -- Click Here.
Notice to all customers and vendors:
4/15/2018 - Update to Boot-Flash Programmer, 1 bug related to Favorite List save and restore is fixed. Other miscellaneous minor improvements. Go to 'Free Downloads' page.
Last Updated April 15, 2018