DEFINITION:

Covers radio navigation techniques and technologies, elements and subsystems capable of generating, receiving, exploiting and analysing the signals from current and upcoming radio navigation systems (GPS, GLONASS, EGNOS, Galileo), including system tools and navigation equipment. (Note: It has strong relationship with 1-H).

(Source: ESA TD 6B)

SUBDOMAINS:

1. Navigation System Tools: Covering all aspects related to ground and space navigation  systems, subsystems, Signal in Space, simulators, analysis tools  and methodologies.
2. Ground Receivers: Covering all technologies related to RF and baseband aspects, positioning and integrity algorithms, integration with other sensors, local augmentation, and integration with telecommunication systems and services.
3. On-board Receivers: Covering all aspects related to navigation space receivers or reference receivers, algorithms and technologies.
4. Formation-flying RF metrology: Covering all aspects related to high accuracy RF metrology required for formation-flying applications, including algorithm technology and tools.