Assertion: radio telescope | /r/HasProperty | installed in the field
Facets:
value: permanently
type: MANNER
Source sentences:
text: If you want to keep the radio telescope permanently installed in the field, you will have to protect it with a proper structure like a dome.
text: Antenna diameters range from 2.3 to 5 meters with different types of mounts, also weatherproof in order to allow the radio telescope to be installed in the field without the need of a protection structure.