https://docs.fcc.gov/public/attachments/DA-21-463A1.pdf Michael D. Brown Brown Broadcast Services, Inc. 3740 SW Comus St. ● Portland OR 97219-7418 USA <mailto:mike at brownbroadcast.com> mike at brownbroadcast.com ● <http://www. brownbroadcast.com> www.brownbroadcast.com offc 503-245-6065 ● cell 503-703-3202