This year marks the 150th anniversary of the birth of ARRL’s first president and cofounder Hiram Percy Maxim (HPM), W1AW, born on September 2, 1869.
ARRL will hold an operating event this summer to celebrate HPM’s legacy, getting under way at 0000 UTC on August 31 and continuing until 2359 UTC on September 8. It is open to all radio amateurs.
ARRL members will append “/150” to their call signs during this event.
Check out http://www.arrl.org/news/arrl-announces-happy-150-hiram-percy-maxim-birthday-celebration
