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Comments Due Jan. 23 on Ending 28, 38, 39 GHz Auction Caps

Comments are due Jan. 23, with replies Feb. 22, on FCC proposals to allow more flexible fixed satellite service use of the 24.75-25.25 GHz band and to eliminate the cap on how much spectrum in the 28, 38 and 39…

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GHz bands a bidder can buy at auction, said the spectrum frontiers order posted Wednesday. The order was approved at Thursday's meeting (see 1711160026). A second Final NPRM also seeks comment on developing performance metrics for IoT, such as upper microwave flexible use systems (UMFUS) meeting their buildout requirements when they hit geographic area coverage of 25 percent of a license area. The agency proposal would add the 24.75-25.25 GHz band to rules for the 47.2-48.2 GHz band allowing for earth stations in the band to operate on a co-primary basis. In the latest spectrum frontiers order, the agency said it opted to use partial economic area geographic licensing for UMFUS operations in the 24 GHz band since that approach is consistent with existing rules for the 39 GHz band. Rather than license the 24 GHz band in three segments, it opted for 100 MHz channels as a means of maximizing efficiency of spectrum use. The agency also opted to license the 47 GHz band in five 200 MHz blocks. The agency in the order rejected increasing the earth station exclusion zones to 0.2 percent of the population of UMFUS license areas, saying there was no evidence of the need of such an ask. But it did adopt a three-tiered model for earth station siting in the 28 GHz band that it said was intended to give satellite more flexibility and clarified definitions of interstates, freeways and principal arterials with regard to limits on earth station sitings in mass transit areas. It declined to ax the numeric limit on three earth stations per license area in the 28 GHz bad but increased the number of permissible earth station locations in the 37.5-40 GHz band from three to 15 per partial economic area, as long as there are no more than three per county. The order also saw the agency adopt rules for unlicensed use on aircraft in the 57-71 GHz band under Part 15 of the agency's rules, which currently ban unlicensed use there.