GPS SIGNALS AND BASIC OBSERVABLE REFERENCE SYSTEMS AND GPS TIME SYSTEM - ppt download
F/NAV message. The page | GALILEO
accuracy - If the GPS navigation message takes 12 1/2 minutes to cycle, how can receivers update your position every second? - Geographic Information Systems Stack Exchange
GPS (19 of 100) The Navigation Message Structure - YouTube
Why do GPS satellites broadcast every 30 seconds? - Quora
GPS Signal Authentication Using a Chameleon Hash Keychain
Ilectureonline
GPS Navigation Message - Navipedia
GPS and the Signal Format and Navigation Message of BDS-2 | SpringerLink