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Sigma Communications Incorporated (SCI), a full service company, provides a variety of communication services to meet domestic and international requirements. We offer the option of full turnkey or man/day rate upgrades. We have successfully installed over 100 earth station antennas along with numerous communication upgrades.

We specialize in installation and maintenance of earth station antennas, control systems and ancillary equipment. Our staff focuses on end-to-end installation, verification testing and commissioning of satellite and telephony systems. We have engineering credentials in antenna structures, monitor and control systems (M&C), SSPA, HPA, LNA, , deice systems, Jog to monopulse tracking systems, and all phases of integration.

Due to increasing lead-times of both mechanical and electronic components, a system failure can result in several weeks of down time. Our maintenance programs ensure all systems are in good working condition, greatly extending troublefree operation of your gateway. Sigma offers the best possible service with the utmost expertise, quality and affordability. We respond promptly with minimal notice to your emergency needs.

Retrofitting older earth stations with State-of-the-art equipment and systems is another service offered by SCI. Our expertise ranges from VSAT’s to 32 meter “A” stations. We have extensive experience in this area and offer smooth transition from design,engineering and maintenance through installation, commissioning and training.

SCI consults in project design and upgrades. Acting as a third party, SCI assures quality control to your project.

  • Turnkey & Man\Day Installations: SCI offers complete antenna installation including optical (theodolite) alignment and testing for VSAT’s up to 32m antennas. Additionally, SCI installs and tests IFL, IF and RF subsystems. Complete ancillary equipment packages including receivers, modulators, amplifiers, TWTA’s, fiber optics, control and monopulse tracking systems are available with installation.

  • Retrofits and Upgrades: SCI upgrades and repairs antenna subsystems, both mechanical and electronic, refurbishing damaged and worn earth station components to like new condition.

  • Site Surveys: SCI conducts detailed assessments of existing or proposed earth stations, providing comprehensive results in a user-friendly format.

  • System Verification Testing & Antenna Commissioning:
    SCI field engineers and technicians provide all pertinent tests for optimal performance and commissioning of antennas and earth stations. Sigma performs a variety of tests that include G/T (spectrum analyzer/radio star method), crosspol isolation contours and error channel pattern, to name a few.

  • Maintenance Agreements: SCI provides maintenance programs, which enable company technicians to visit client’s sites on a regular basis to inspect and provide upkeep of antennas. Also available are extensive waveguide, RF calibration and testing.






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