Interested persons are invited to comment on the following wireless telecommunications facility named "SF70557M" located at 550 15th St., San Francisco, San Francisco County, CA, and specifically on potential effects to historic properties located at or near this facility, if any. The project consists of a proposed antenna modification on an existing building. Comments regarding potential effects to historic properties should be submitted by email to KerryWilloughby@AceEnvironmentalLLC.com. Address: 9976 Peak Lookout St., Las Vegas, NV 89178, (702) 614-4431. This notice is provided in accordance with the regulations of the FCC 47 CFR Part 1, Subpart I and Appendices B and C.