Hughes Backing ViaSat on EPFD, FSS Limits in Parts of Ka-Band
Hughes is backing ViaSat on urging the FCC to adopt limits on aggregate equivalent power flux-density (EPFD) limits on Ka-band non-geostationary orbit uplinks (see 1801180060), it said in a docket 16-408 FCC filing Thursday. Hughes supports ViaSat's position the agency…
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revise Section 25.289 of rules so geostationary orbit operators have additional remedies if existing EPFD limits aren't sufficient to protect their satellite networks. Hughes agrees with ViaSat's push for allowing secondary fixed satellite service use of the 19.4-19.6 GHz and 29.1-29.25 GHz bands as long as that use is limited to individually licensed earth station communications and absent evidence that FSS use causes interference to Iridium.