Announcing the 90th Anniversary of the Duluth Aerial Lift Bridge in Duluth, Minnesota on August 17, 2019 between 1400 UTC and 2300 UTC. We will be operating a Special Event Station -- N0B (November Zero Bravo) from the grounds of the U.S. Army Corps of Engineers Lake Superior Museum in Canal Park. We will be on 20 and 40 meters with SSB, CW, and Digital (probably FT-8). QSL cards and a certificate will be offered to verified contacts -- we will be uploading our log to LoTW. QSL cards will be mailed via U.S. Mail. A special card will be created just for this event. Certificates will be emailed in .pdf format to those requesting a certificate by emailing -- firstname.lastname@example.org. You can watch arriving and departing vessels at www.duluthharborcam.com. You can see more information on the QRZ page for K0DSL.