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Terrestrial Navigation System

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DAR-6000T


DAR-6000T

eLoran Exciter

The eLoran Exciter is a device that generates an eLoran Pulse signal that inserts LDC (Loran Data Channel) information based on the received reference time information and then transmits it to the eLoran transmitter.

The eLoran Exciter performs a TOT automatic control function based on the received TOT status value to control the error between the time of the antenna transmission signal and the reference time to be within the error tolerance range.

The eLoran Exciter performs the function of measuring the signal quality of the output signal.


Function

Signal generating

  • Generating eLoran Pulse Signals Synchronized to UTC

LDC

  • 9th Pulse modulation and demodulation
  • Eurofix modulation and demodulation

Signal Measurement

  • Measuring Transmission Signal Quality(Occupied BW, ECD, SNR, etc.)

TOT Control

  • TOT control for UTC time synchronization of transmission signal

Control & Monitoring

  • GRI, Phase Code, ECD, TOT, Blink Control
  • Remote control using eLM messages

Specs

Performance
ECD control performance< ±2.5μs
TOT control performance< 50ns
Input signal1PPS, 10MHz, IRIG-B, TOT Value, eLM Message, eLoran Feedback signal
Output signaleLoran signal (LVDS)