Ligado Presses FCC on Satellite-Terrestrial Network for Critical Infrastructure
Monday, April 17, 2017 | Comments

Ligado Networks executives said they met with the FCC to convince the commission to move forward with a notice of proposed rulemaking (NPRM) for Ligado’s planned satellite-terrestrial network to serve the industrial internet of things (IoT) and critical infrastructure industries such as rail, trucking and aviation.

Ligado said in an ex parte filing that it envisions combining its terrestrial network capacity with the ubiquitous coverage afforded by its satellites to provide end users a pervasive, highly secure and ultra-reliable offering.

With respect to its pending applications for license modification, Ligado officials said they have worked extensively with the Federal Aviation Administration (FAA) to identify and resolve concerns from the aviation community and to develop an approach that is safety focused and complies with all applicable FAA standards. Ligado proposed establishing power levels in the 1.526 – 1.536 GHz band that not only protect certified aviation devices, but all GPS devices, including noncertified aviation receivers.

Ligado executives said a National Advanced Spectrum and Communications Test Network (NASCTN) study of the effect of Long Term Evolution (LTE) signals on GPS devices that operate in the GPS L1 frequency band affirmed earlier studies showing that devices in every category of GPS receiver are unaffected by Ligado’s proposal and confirmed that GPS and Ligado’s network can coexist.

“Ligado’s progress with the FAA and the results of the NASCTN report demonstrate the validity of Ligado’s pending applications,” the filing said.

The full filing is here.

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