Ready References
Stepper Servo Motors
Hands-On Astrophysics (HOA)
What to do in a Big Lecture Class, Besides Lecture
Activity: Estimating Magnitudes
A Basic Primer on Setting Up an Amateur Radio Telescope
Stargazing Secrets of Kitt Peak
The Myth of Amateur Science
Ready
References 
What
to do in a Big Lecture Class, Besides Lecture 
Activity:
Estimating Magnitudes
A
Basic Primer on Setting Up an Amateur Radio Telescope 