Modem / Baseband Units

Home   >   Products   >   Modem / Baseband Units

satTRAC-logo

Modem / Baseband Unit

  • Signal Converters for RF and 70MHz
  • Digital IF over Ethernet
  • Software Apps for Waveform-Specific Processing

Satellite Telemetry, Ranging, and Commanding

satTRAC SL Modem and Server
satTRAC SL Modem and Server

 

Software Applications

 

Commercial Satellites

  • 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).

Download Group1 App Sheet Download Group1 App SheetDownload Direct1 App Sheet Download Direct1 App Sheet

SGLS

  • 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).

Download App Sheet Download App Sheet

USB

  • 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).

Download App Sheet Download App Sheet

TDRS

  • 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.

Download App Sheet Download App Sheet

swdLab-GUI

Modem-Functions

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
Subcarrier BPSK/FM
SBW Mode 1 and Mode 2

Ranging
PRN (SGLS)
Tone (STDN/USB/ESA-like)

Customized Algorithms
Implemented in software



Digital Conversion


S-Band/L-Band and 70 MHz


Algorithms with Floating Point Precision


antenna