W7P Pluto Anniversary Special Event
W7P is the callsign for the Northern Arizona DX Association to conduct a 10-year special event countdown to the 100th anniversary of the discovery of Pluto by Clyde Tombaugh at Lowell Observatory in Flagstaff, Arizona (18 February 1930). The inaugural event was held in 2021; this year's Pluto Anniversary Countdown will run on 10-18 February. Also, Doug Tombaugh (N3PDT), Clyde Tombaugh's nephew, will be operating during the event as W7P/0. QSL direct, see https://www.nadxa.com/w7p_pluto_2030.html for information.