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    • IFL (Interfacility Link)

      IFL (Interfacility Link)

      An IFL, or Interfacility Link, is a cable system that is used in facilities to connect an outdoor unit and an indoor unit. An outdoor unit refers to the satellite receiver or coaxial cable that connects a service provider to a company while an indoor unit refers to the coaxial cables, routers, or transmitters inside

    • Baseband

      Baseband

      Generally, a transmission signal contains more than a single frequency. This is to say that there might be several different frequencies linked together or else superimposed on each other. This is just the way all telecommunication systems function. For example, with today's communication technology it is virtually impossible to send low frequencies without experiencing any

    • Feedhorn

      Feedhorn

      The feedhorn is the part of a satellite dish system which gathers the reflected signal from the dish and focuses it towards the LNB. It is a type of horn antenna that is deployed to convey radio signals between the transceiver and the reflector antenna. Horn antennas basically effect a transition between waves propagating through

    • VSAT (Very Small Aperture Terminal)

      VSAT (Very Small Aperture Terminal)

      VSAT (Very Small Aperture Terminal) is basically a two-way satellite ground station with a less than 3 meters tall (most of them are about 0.75 m to 1.2 m tall) dish antenna stationed. The transmission rates of VSATs are usually from very low up to 4 Mbit/s. These VSATs’ primary job is to access the

    • What is a Loop Antenna?

      What is a Loop Antenna?

      A loop antenna is one that is designed to receive radio signals more efficiently than other antennas. Loop antennas are considered more efficient than others because they are mobile, work with a wide range of frequencies, and use less electricity. A loop antenna’s performance is entirely dependent on its construction and placement, although other factors

    • Thermocouple

      Thermocouple

      A thermocouple is a temperature probe that uses two dissimilar metals join at two places. The voltage created when the metals are subjected to a temperature gradient is used to calculate the temperature. There are many different types of thermocouple, each designed for a specific temperature and sensitivity range. How Thermocouples Work The thermoelectric effect,

    • Photodetectors

      Photodetectors

      A photodetector is a device that imprints the image of an object or scene onto a material. Photodetectors are made in various ways and can be used for different purposes. Most photodetectors fall into the phototube, thermal detector, or camera category. These photodetectors are used for communication, navigation, and record keeping. Types of Photodetectors Phototube

    • How Satellite Images Are Made

      How Satellite Images Are Made

      Satellite images are taken by reconnaissance satellites that orbit the Earth at a relatively low altitude, between 300 to 600 miles (or 480 to 970 km). As the majority of today's satellites are custom made in order to accommodate particular needs of the designer, there is no standard on which photo imagery is based on

    • Pulse Position Modulation

      Pulse Position Modulation

      Pulse position modulation is a signal modulation technique that allows computers to share data by measuring the time each data packet takes to reach the computer. It is often used in optical communication, such as fiber optics, in which there is little multi-pathway interference. Pulse position modulation exclusively transfers digital signals and cannot be used

    • Pulsation Dampeners

      Pulsation Dampeners

      A pulsation dampener is a device that can reduce or eliminate the intermittent gaps left in a pressurized system during the system’s discharge stroke. Pulsation dampeners are made for a variety of applications and can be used in virtually all pressurized devices to protect hardware, decrease maintenance costs, decrease down time, increase performance, and increase

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