Fireball Over Tucson 10 Dec 2013

Prof. David G. Iadevaia maintains his private observatory near Sabino Canyon. On Tuesday night the AllSky Camera he designed and built recorded the fireball which lit up the partly cloudy sky and produced a sonic boom heard over much of the area. Attached find a short video clip of the event. Prof Iadevaia retired from Pima College this past summer after 30 years of teaching Astronomy and Physics.

Hummingbirds

These tiny little birds invoke thoughts of harmony and cooperation. But what is nature really like? Here is my observation of their behavior as they find a source of food.

ANSR77 Mt. Lemmon Ground Station Test 9 Nov 2013

This is a test of the ground station to track high altitude balloons from 9000 foot summit of Mt Lemmon in Tucson Arizona. The test was conducted by Prof. Iadevaia, KF7MZY on 9 Nov 2013 tracking the beacons on ANSR 77. The cross band repeater was also used. The test was a success.