Radio Telescope Disadvantages

Since most Earth's communications rely on radio waves, from TV to phones to radio channels, radio satellite arrays must be built far away from cities and towns. Deserts areas are a go-to for radio telescope construction
The arrays must also be made up of several to dozens of large and precise antenna to pick up the wavelengths because they're very low energy.

Ihaven't done that yet, so no idea,but this is not the right place to ask

The answer is c hope this