Other
What Is Radio Astronomy?: Radio Astronomy at Vla and Vlba
Describes two radio telescopes run by the National Radio Astronomy Observatory (NRAO). The first telescope is called the Very Large Array (VLA) and the second is called the Very Long Baseline Array (VLBA). Both use radio interferometry....
Other
Nrao: Bringing Your Class to the Vla
Helps teachers arrange a trip to visit the radio telescope VLA. For those of you not near (New Mexico) it also gives connections into the physics, astronomy and electronics courses. It also has a healthy bibliography of sources.
Other
Nrao: What Is Radio Astronomy?
This page contains an introduction to Radio Astronomy written by the National Radio Astronomy Observatory (NRAO). It contains some basic theory as well as frequently asked questions and teacher resources.
Wikimedia
Wikipedia: Very Large Array
Wikipedia offers a basic description of what the Very Large Array (VLA) is, along with a close-up picture of the VLA.