Fundamentals of satellite communications and earth stations

• Elements of satellite communication system
• Classification of satellites
• Intelsat
• Types of communication satellites
• Advantage of the orbit
• Disadvantages
• Frequency selection
• Multiple access techniques in satecom system
• Frequency division multiple access (FDMA)
• Time division multiple access (TDMA)
• Advantages of TDMA over FDMA
• Spread spectrum multiple access (SSMA)
• Random access packet switching
• Earth station and its classification
• Class of earth station G/r dB/k
• Class of earth station in domestic network
• Important parameters of an earth station (DES)
• G/T, figure of Merit
• Effective Isotropic radiated power (EIRP)
• Sub – System in a satellite communication network
• Earth station system
• Special features of Transportable earth stations
• Special features of Transportable earth stations are
• Polarization
•  Types of Polarizers
• Carrier- to-noise ratio
• Bit error rate
• Symbol error rate
• Forward Error correcting (FEC)

PDA and Feed mounts – azimuth and elevation angles

• Orientation of PDA with respect to the location of satellite
• Feed mounts
• Antenna sizes
• Mounting Dishes
• Azimuth
• Elevation

Types of audio and video connectors

• Audio connectors
• XLR panel mount male and female receptacles
• Video connector

Audio Video / RF Cables

• Audio cables
• Types of Audio cables
• Types of audio cables, specification and its application
• Video cable/RF cables

Equipments and Installation of DTH System

• DTH (Direct to Home) system
• DTH antenna
• DTH LNB (low noise block)
• DTH receiver
• Installation of DTH
• Offset and prime focus
• Installation
• Checklist
• How the dish will be grounded
• How the dish will be mounted
• Step by step installation procedure
• Install the dish support
• Trenching and cable runs
• Assemble the dish
• LNB support
• Electrical connection
• Power and align antenna
• Tools used in DTH

Integrated Receiver Decoder (IRD)

      Digibox

• Components of Digibox
• LNB
• Receiver
• Cable and connectors
• Install a sky DIGIBOX
• Use your TV and digibox to locate the correct satellite

Measurement of azimuth and elevation using compass and SAT meter

• The satellite Dish
• Level or Plumb the Mast
• Obtaining Azimuth & Elevation Setting for the satellite Dish
• Setting Elevation on the Dish
• Using a compass to set Dish Azimuth
• Using a Satellite Meter
• Peak Aligning the Satellite

Digicom

• Circuits
• Power requirements
• Channels/Inputs
• Primary and secondary phone lines
• Earth ground
• Controls and Indicator
• Piezo sounder
• Operation of DIGICOM
• Operational modes
• Installation of DIGICOM

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-DTH-System-Technician