I added some updated links below, apparently the man was Milt Jenson of Virden, according to Wireless Estimator, who was 73 years old when this happened. According to Ralph Turk, a retired engineer from KVOA, from KVOA.com, said he was an experienced climber. Articles say that OSHA is investigating. New links below.
I just found out that a man died from a fall from a communications tower at Mt Lemmon on Thursday June 9th. We are till waiting for more details to be released. He volunteered to work on an amateur radio tower and fell around 11:45AM local time according to PCSD spokesperson Dep. Ryan Inglett. The man was pronounced dead at the scene. This is ruled an accident. His name has not yet been released.
For more go to these links.