As of May 02, 2000 Selective Availability (SA) has been discontinued.
We have not had a chance to update all of the articles, so please simply disregard any mention of it, but be aware that other sources of error still exist.
Links to the left will lead you to to various tips, tricks and experiences with Lowrance and Eagle receivers. Some of it may be useful, some of it may be useless. You decide which one is which. Note that some of the procedures described here may result in degradation of your receiver performance, invalidate warranty or have other unexpected results. If you know of such, please let us know.
HALLOW! LEI engineers! Are you reading it? It includes you guys and gals!
For information from the horses mouth check the manufacturers web pages.