Resources
GNSS Blogs
Canary Islands Advanced Solutions
Garrett Seepersad (York University)
Journals
Journal of Geophysical Research: Solid Earth
Journal of Surveying Engineering
Navigation: Journal of The Institute of Navigation
Real-Time PPP Services
Apex and Ultra Services (Veripos, Hexagon)
Real-Time Service (IGS) - free
Starfire (NavCom, a John Deere Company)
Terrastar-C/D (Terrastar, Hexagon)
Learning Resources
Open-Source PPP/RTK Software or Tools
GPSTk (University of Texas at Austin)
Online Positioning Services