Length: 2 Days
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VSAT Installation and Maintenance Training

VSAT Installation and Maintenance Training is a 2-day training program for professionals who install and maintain VSAT systems, antennas, and ground equipment. Participants will learn about satellite communications, VSATs, RF and IDU/ODU, antennas, S, C and Ka/ Ku Bands,  transmission lines, amplifiers, filters, LNBs & LNBFs, site surveys, link budget, receivers.



Satellite Communications (SATCOM) Theory of Operations

  • Basics of SATCOM
  • Basics of Electromagnetic Wave Propagation
  • Satellite Frequency Bands
  • Satellite Transmitter and Receivers
  • Satellite Antennas and Dish Reflectors
  • Satellite Site Surveys

Bands and Frequency Ranges

  • VSAT Bands: C, Ka and Ku
  • VSAT Frequency Bands
  • C Band: Uplink -5.925 to 6.425 GHz; Downlink – 3.700 to 4.200 GHz
  • Extended C Band: Uplink – 6.725 to 7.025 GHz; Downlink – 4.500 to 4.800 GHz
  • Ku Band: Uplink – 14.000 to 14.500 GHz; Downlink – 10.950 to 11.700 GHz

Very Small Aperture Terminal (VSAT)

  • Characteristics of VSATs
  • Operational characteristics of VSATs
  • Technical characteristics of VSATs
  • Antennas and antenna diameters
  • VSAT Topologies
  • Networks with VSATs
  • Star topology
  • Mesh topology
  • Hybrid topology
  • Point-to-point topology

Features of Operation of VSATs 

  • Initialization of the operation of a VSAT
  • Control and monitoring functions during the operation of a VSAT
  • Other control and monitoring functions
  • Management of the profiles of VSATs (location, satellite beam
    contour and beam handover)
  • Dynamic power control function during the operation of a VSAT
  • Adaptive coding and modulation function

VSAT with IDU and ODU

  • IDU-Indoor Unit
  • Satellite modem (modulator-demodulator)
  • EDU (Encryption decryption Unit)
  • Subscriber interfacing part
  • ODU-Outdoor Unit
  • RF upconverter/downconverter
  • RF Power Amplifier
  • OMT
  • LNA
  • Antenna

Uplink and Downlink Operations

  • Up converters (U/Cs)
  • Solid State Power Amplifier (SSPA)
  • Low Noise Amplifier (LNA)
  • Down converter (D/C)
  • Inter facility link cable (IFL)
  • Indoor unit (IDU)
  • Cabling Options
  • Filters
  • Amplifiers
  • Link Troubleshooting
  • Equipment Repairs,
  • RF Safety Calculations

Satellite Link Budget Calculation

  • VSAT network systems
  • VSAT performance
  • EIRP, G/T and gain
  • Satellite access
  • Polarization and carrier alignment
  • VSAT IDU and ODU
  • Telsat, NSS, Hughes
  • ViaSat and iDirect
  • Antennas
  • High Power Amplifiers
  • Diplexers, Polarizers, Waveguide Systems, RFI Filters

Installation and Repair Procedures

  • Troubleshooting Methods
  • Positioners and Aiming
  • Antenna Positioners
  • Interference, and EMI/EMC Issues
  • Grounding and Bonding
  • Working with Spectrum Analyzers and Oscilloscope

Workshops and Labs

  • Workshop 1: Managing Installation
    • Installation Best Practices
    • Troubleshooting Antennas
    • Troubleshooting Alignment on the Satellite
    • Troubleshooting Cross Polarization and Carrier Alignment
    • Troubleshooting Link Problems
    • Maintenance Tips for RF and Baseband
    • Interfacing Issues to LANs and the Hub
  • Workshop 2: Working with Antennas, Spectrum Analyzers and Oscilloscopes
  • Workshop 3: VSAT Installation Procedures
    • Antenna and accessories, Feed Horn, OMT, BUC, LNB, Satellite Modem, MUX, EDU
    • Mounting Antenna
    • Satellite latitude and longitude
    • Azimuth and Elevation Calculations
    • Site and equatorial longitude of the satellite a
    • Angle Beta and path length L
    • Elevation Angle
    • IF cables from LNB and BUC to indoor unit (satellite modem)
    • MUX with EPABX for voice connection
    • Typical VSAT system specification
    • Access
    • Information rate
    • Hub station antenna
    • VSAT antenna
    • Rate Convolution FEC
    • Viterbi soft decision decoder
    • Reed Solomon encoder-decoder
    • Support for voice channels, Data channel for Network Management
    • Frequency of operation -C, Extended C, Ka and Ku bands


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