062 - RADIO NAVIGATION
SELF-CONTAINED AND EXTERNAL-REFERENCED NAVIGATION SYSTEMS
In relation to the satellite navigation system NAVSTAR/GPS, the term inclination denotes the angle between the:
horizontal plane at the location of the receiver and the orbital plane of a satellite.
orbital plane and the earths axis.
orbital plane and the equatorial plane.
horizontal plane at the location of the receiver and the direct line to a satellite.