Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by profession or discipline]
7. [equipment for science and technology]
8. optical instruments
9. telescopes

Anotations

Scope note:

An instrument used in radio astronomy for detecting and recording radio emissions from space between wavelengths of about 30 megahertz and 300 gigahertz. Radio telescopes essentially consist of a large, concave metal bowl that serves as a directional aerial, capturing and focusing radio waves; along with a receiver and recording equipment.