Surveillance System


Terrestrial Navigation System

An independent navigation system separate from the GPS, which can provide international standardized positioning, navigation, and timing services if the system is interrupted due to problems with satellite communication such as interference with radio waves


  • Terrestrial navigation system to supplement GPS signals vulnerable to jamming
  • Low frequency signals in the 100 kHz range are transmitted at outputs up to 250 Kw to provide location information in the TOA manner