GPS / INS Technology for Engineers

I’m looking for references to become conversant with GPS & INS technology at the engineering level. I’m NOT talking about how to use a pocket navigator, or a type of explanation. If it doesn’t have calculus in it, it’s waay too basic.

Is there anybody here who works on these things and can point me to some good websites, white papers, organizations, symposia minutes, etc., or can give me the names of some standard reference works in the field and where I might buy them?

Thanks in advance,

You might try this site - maybe the kind of thing you’re looking for. If not, a little better description of your requirements might help - do you want to know how to build a GPS receiver, a GPS satellite, or just general but technically-oriented discussions of how GPS works?