• Software-defined modem for ground antenna sites supporting multiple satellite waveforms
  • Receive and process downlink telemetry data streams
  • Process and generate uplink command data streams, with command echo checking
  • Perform satellite ranging

Datasheet | Hardware Spec Sheet

Telemetry Waveforms

Subcarrier BPSK/PM
Direct PCM/PM
BPSK/QPSK/SQPSK,UAQPSK
SBW Mode 1 and Mode 2
Viterbi/Reed-Solomon

Command Waveforms

FSK/AM
Subcarrier BPSK/PM
SBW Mode 1 and Mode 2

Ranging

PRN (SGLS)
Tone (STDN/USB)

Customized Algorithms

Implemented in software

Software Applications

Commercial Satellites GROUP1 App Sheet DIRECT1 App Sheet

  • Commanding, Telemetry, and Ranging for commercial satellites.
  • No Export License Required.
  • GROUP1 supports FS-1300, LS-1300, GEOStar2, GEOStar3, and similar satellites.
  • DIRECT1 supports direct carrier modulations (BPSK, QPSK, and SQPSK).

SGLS App Sheet

  • Filters, demodulates, bit syncs, and FEC decodes a SGLS telemetry downlink.
  • Ternary command uplink modulation (FSK/AM waveform) and echo checking.
  • High-fidelity PRN ranging generation and processing (range/range rate).

USB App Sheet

  • Filters, demodulates, bit syncs, and FEC decodes a USB telemetry downlink.
  • Binary command uplink modulation (BPSK/PM waveform) and echo checking.
  • Sequential tone ranging generation and processing (range/range rate).

TDRS App Sheet

  • Generates TDRS spread spectrum forward link with command data and ranging PN sequence.
  • Receives TDRS Mode 1 or Mode 2 return link despreading and demodulation of the data streams.
  • SNUG-compliant S-Band Single Access (SSA) and Multiple Access (MA), Data Group 1, User Codes.

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