This article rating system has been added so that we may help to guide readers to the better articles from the bunch.
To contribute your rating of any article you are require to be logged in. Soon we are going to add a feature allowing
members the ability to write a review on an article. Adding quick comments will be made as simple as possible.
As my research progressed I was astounded by this "old measurement" that was infrequently used. I was able to assemble some amazingly demonstrative examples of AP involvement....
28° 37`
