National Radio Quiet Zone

E161141

The National Radio Quiet Zone is a large area in the eastern United States where radio transmissions are heavily restricted to protect sensitive radio astronomy and communications research from interference.

All labels observed (3)

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf protected area
radio quiet zone
administeredBy Federal Communications Commission
National Telecommunications and Information Administration
affects broadcast radio stations
cellular networks
microwave links
other licensed radio services
alsoKnownAs NRQZ
appliesTo both federal and non-federal radio users
area approximately 13000 square miles
approximately 34000 square kilometers
centeredNear Green Bank, West Virginia
communicationFocus intelligence and military communications at Sugar Grove Station
contains Green Bank Observatory
Green Bank Telescope
Sugar Grove Station
country United States of America
surface form: United States
coversPartOf Allegheny Mountains
establishedBy Federal Communications Commission
National Telecommunications and Information Administration
establishedInYear 1958
hasBoundaryShape irregular polygon
hasCentralFacility Green Bank Observatory
surface form: Green Bank Observatory control center
interferenceMitigation reduces man-made radio noise
reduces mobile communications interference near observatories
legalStatus federally designated coordination zone
locatedIn Maryland
Virginia
West Virginia
Eastern United States
surface form: eastern United States
notableFor longstanding protection of Green Bank radio astronomy
one of the largest radio quiet zones in the world
primaryBeneficiary Green Bank Observatory
National Radio Astronomy Observatory
surface form: National Radio Astronomy Observatory facilities at Green Bank
protects sensitive radio receivers
very long baseline interferometry observations at Green Bank
purpose protect radio astronomy from interference
protect sensitive communications research from interference
radioRestrictions limits antenna height
limits frequencies used
limits transmitter power
requires coordination of new transmitters
regulates microwave transmissions
other electromagnetic emissions
radio transmissions
regulationType coordination rather than absolute prohibition of transmitters

How these facts were elicited

Referenced by (13)

Full triples — surface form annotated when it differs from this entity's canonical label.

Green Bank Observatory locatedIn National Radio Quiet Zone
85-foot Howard E. Tatel Radio Telescope locatedInRegion National Radio Quiet Zone
Green Bank, West Virginia knownFor National Radio Quiet Zone
Green Bank, West Virginia partOf National Radio Quiet Zone
Green Bank, West Virginia locatedIn National Radio Quiet Zone
this entity surface form: United States National Radio Quiet Zone
43 Meter Telescope locatedIn National Radio Quiet Zone
Green Bank Telescope locatedIn National Radio Quiet Zone
Pocahontas County, West Virginia locatedIn National Radio Quiet Zone
Pocahontas County, West Virginia partOf National Radio Quiet Zone
this entity surface form: United States National Radio Quiet Zone
Robert C. Byrd Green Bank Telescope locatedIn National Radio Quiet Zone
140 Foot Telescope partOf National Radio Quiet Zone
140 Foot Telescope locatedIn National Radio Quiet Zone
this entity surface form: Radio Quiet Zone
Green Bank Science Center near National Radio Quiet Zone