Using Radio Wavelengths in a Telescope

The resolution that we're able to see something is related to two different factors, what wave length of light are you looking at? And what is the largest diameter from edge to edge of observing dishes. So by having our entire planet essentially being the dish, and using essentially the smallest possible radio wave lengths, they got the absolute highest resolution we can get. This this particular set of telescopes is 230 gigherts on the dial, if you could tune to that part of the dial.