LA100A Tribute to LA1A Johannes Diesen
LA100A is the special callsign for NRRL's Midt-Troms Gruppen (LA6M, https://www.la6m.no/) to use throughout 2025 to mark the 100th anniversary of the first amateur radio two-way contact between Norway and the US, made by Johannes Diesen, LA1A from Moen in Malselv municipality and UlYB at Dartmouth College, Hanover, New Hampshire (25 November 1925). QSL via the bureau, QRZ Logbook, or direct.