The Commission released a Public Notice seeking comment on an appropriate method for determining the protected contours for grandfathered 3650-3700 MHz Band Licenses.  The Commission adopted rules in the 3.5 GHz  Order that protect existing licensees in the 3650-3700 MHz Band from harmful interference from Citizens Broadband Radio Service users for a fixed transition period. During the transition period existing licenses will receive protection for operations that are within their “Grandfathered Wireless Protection Zone.”  Provided that (1) the stations were registered in the Commission’s Universal Licensing System (ULS) on or before April 17, 2015; and (2) as of a year later (April 17, 2016) the stations are constructed, in service, and fully compliant with the relevant operating rules.

The Commission is now seeking comment on the appropriate methodology for determining the Grandfathered Wireless Protection Zone, specifically a two-pronged approach.  The Commission also seeks comment on several other related issues including:  (1) procedures for determining compliance with the Commission’s construction and operation requirements for the Band; and (2) an implementation strategy to ensure that an accurate definition of the Grandfathered Wireless Protection Zone is available to the authorized Spectrum Access Systems (SASs).

Comments due: 30 days after publication in the Federal Register
Reply Comments due: on or before 15 days after the comment due date

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