Ligado Modification Application Needs to Include Other Terms, ASR Say
The amended operational terms Ligado is pledging for its proposed ancillary terrestrial component (ATC) broadband network don't fully resolve the GPS interference issues they are supposed to, or address aviation safety and operational efficiency concerns, Aviation Spectrum Resources said in…
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a docket 11-109 filing posted Wednesday. It said given the minimal progress over the years on resolving such issues, the FCC should deny the modification applications unless the issues are promptly addressed. It said Ligado's planned 500-foot diameter standoff cylinder around transmitters raises numerous operational issues that need answering before the agency should OK the applications. It said there need to be other terms in the modification applications dealing with site spacing and base station tower density, among other issues, to safeguard GPS receivers. Ligado in a statement said it's deferring to the FAA, and its amendment reflects that agency's analysis. Also in the docket Wednesday, autonomous nautical craft-maker Marine Advanced Research, which worked with Ligado on a technology demonstration, said the FCC should support Ligado's amended license modification applications. Ligado supporters and critics have been at odds over the ATC license modification application amendment (see 1807190002).