HEATKEYS

We sell remarkable, unique, and amazingly accurate sundials that correct for longitude, latitude, and the equation of time to tell true Standard and Daylight Savings time.

Land surveyors support network, featuring Surveying Discussion Forum,Surveying Directory, Photos, Videos and Articles.

Microsoft Excel Consulting, Online Classes, video tutorials, free macros, and walkthroughs for beginners and advanced levels. Also includes helpful tips, tricks, code, and a forum.

Material for persons interested in sun dials, with booklets, pamphlets, spreadsheets, CAD and other visual depictions using programming, conventional and legacy programming with tabular output, case studies, guides, and the like.

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

Ed Williams

The NOAA Earth System Research Laboratory was formed to observe and understand the Earth system and to develop products, through a commitment to research that will advance the National Oceanic and Atmopsheric Administration