List of radio telescopes

Four antennas radio telescope, at the Atacama Large Millimeter Array (ALMA)

This is a list of radio telescopes - over one hundred - that are or have been used for radio astronomy. The list includes both single dishes and interferometric arrays. The list is sorted by region, then by name; unnamed telescopes are in reverse size order at the end of the lists.

Africa

Name	Location	Frequency Range	Remarks
HartRAO 26m	Hartebeesthoek Radio Astronomy Observatory, Johannesburg, South Africa	1.66–23 GHz	26 m dish.[1]
HartRAO XDM	Hartebeesthoek Radio Astronomy Observatory, Johannesburg, South Africa	2.3-8.65 GHz	15m Experimental Demonstrator Model originally build as a technology demonstrator for MeerKAT[2]
Indlebe	Durban University of Technology, Durban, South Africa	1420 MHz	5 meter parabolic reflector[3]
KAT-7	Carnarvon, South Africa	1200-1950 MHz	Seven, 12 meter dishes.
MeerKAT	Carnarvon, South Africa	0.58-14.5 GHz	Sixty four, 13.5m dishes. A pathfinder for the Square Kilometre Array.[4]
Precision Array for Probing the Epoch of Reionization (PAPER)	Carnarvon, South Africa	100-200 MHz	Sixty-four crossed dipole antennas. Currently, this interferometer has more elements than any other.
Hydrogen Epoch of Reionization Array (HERA)	Carnarvon, South Africa	50-200 MHz	In progress - currently 19 reflectors with crossed dipole antennas as feed.
C-BASS South	Carnarvon, South Africa	4.5-5.5 GHz	7.6 metre dish with polarimeter back end[5]

Antarctica

Name	Location	Frequency Range	Remarks
Degree Angular Scale Interferometer (DASI)	Amundsen–Scott South Pole Station	26–36 GHz	13-element interferometer measuring anisotropies in the cosmic microwave background.[6]
South Pole Telescope (SPT)	Amundsen–Scott South Pole Station	95–350 GHz	10-m microwave telescope making observations of clusters using the Sunyaev-Zeldovich effect.[7]

Asia

Name	Location	Frequency Range	Remarks
Delingha 13.7 m	Delingha, Qinghai, China	85–115 GHz	Dish diameter: 13.7 m. Site altitude: 3200 m. Operated by Purple Mountain Observatory.
Sheshan	Shanghai, China	1660 MHz	25m. Operated by SHAO (Shanghai Astronomical Observatory)
Nanshan 25m	Ürümqi, China	1.4–18 GHz	L/C/S/X band receivers. 70 km south to Ürümqi. Operated by XAO (Xinjiang Astronomical Observatory).
Primeval Structure Telescope (PaST)	Xinjiang, China	50-200 MHz	PaST is planned to be an array of some ten-thousand log-periodic antennas spread over several square kilometers. Construction started in 2004.
Chinese Spectral Radio Heliograph (CSRH)	Inner Mongolia, China	0.4–15 GHz	CSRH is an interferometer under construction in China. The CSRH will consist of 100 telescopes covering 0.4–15 GHz. 40 telescopes of 4.5 m cover 400 MHz-2 GHz and 60 telescopes of 2 m cover 2–15 GHz. CSRH will be one of the world’s largest and most advanced imaging spectroscopy instruments. CSRH will be used to study coronal mass ejections. All of the 4.5m telescopes are assembled and the 2m telescopes will be assembled by 2013.
Miyun Synthesis Radio Telescope (MSRT)	Miyun, China	232 MHz	Array of 28 9-meter dishes.
Miyun 50m Radio Telescope	Miyun, China	2–12 GHz	Built in 2005.
Kunming 40m Radio Telescope	Kunming, China	2–12 GHz	Built in 2006.
Sheshan 65m Radio Telescope	Shanghai, China		Built in 2012.
Giant Metrewave Radio Telescope (GMRT)	Pune, India	50-1420 MHz	Thirty 45 m wire dishes;[8] largest telescope at meter wavelengths. Operated by the National Centre for Radio Astrophysics.[9]
Ooty Radio Telescope (ORT)	Ooty, India	326.5 MHz	approximately 530 m long and 30 m wide.
Gauribidanur Radio Observatory,	Gauribidanur, India	40-150 MHz	Operated by (Indian Institute of Astrophysics). A Radioheliograph.
Nobeyama radio observatory	Nagano Prefecture, Japan	17–34 GHz	A 45m single-dish short-millimetre telescope, and six 10m telescopes of the Nobeyama Millimetre Array (NMA), both operated by the National Astronomical Observatory of Japan (NAOJ)
Siberian Solar Radio Telescope (SSRT)	Badary, Buryatia, Russia	5.7 GHz	The SSRT is a crossed interferometer, consisting of two arrays of 128x128 parabolic antennas 2.5 meters in diameter each, spaced equidistantly at 4.9 meters and oriented in the E-W and N-S directions. The SSRT is a special-purpose solar radio telescope designed for studying solar activity in the microwave range (5.7 GHz).
Badary Radio Astronomical Observatory	Badary, Buryatia, Russia	1.4–22 GHz	32m RT-32 radio telescope, operating range 1.4–22 GHz.
Galenki RT-70 radio telescope	Galenki (Ussuriysk), Russia	5–300 GHz	RT-70, 70 m telescope, operating range 5–300 GHz
Suffa RT-70 radio telescope	Suffa plateau, Uzbekistan	5–300 GHz	RT-70, operating range 5–300 GHz
Five hundred meter Aperture Spherical Telescope (FAST)	Guizhou, China	70 MHz-3000 MHz	500m radio telescope, operating range 70-3000 MHz.
Qitai Radio Telescope	Qitai County, Xinjiang, China	300 MHz–117 GHz.	Construction work started in 2012. Will be operated by XAO (Xinjiang Astronomical Observatory).

Australia

Name	Location	Frequency Range	Remarks
Australian Square Kilometre Array Pathfinder (ASKAP)	Murchison Radio-astronomy Observatory, Western Australia	700-1800 MHz	ASKAP, the Australian Square Kilometre Array Pathfinder, is currently being built by CSIRO. It will be made up of 36 identical antennas, each 12 metres in diameter, with a 30 sq degrees FoV at 1.4 GHz. All 36 antennas and their technical systems are expected to be completed by 2013.[10]
Australia Telescope Compact Array (ATCA)	Paul Wild Observatory, Narrabri, New South Wales	0.3–110 GHz	6x22m dish aperture synthesis array, operated by CSIRO as part of the ATNF (Australia Telescope National Facility).[11]
Canberra Deep Space Communication Complex (CDSCC)	Tidbinbilla, Australian Capital Territory		1x70m dish, 2x34m dishes, operated by CSIRO on behalf of NASA.[12]
Ceduna Radio Observatory	Ceduna, South Australia	1.2–23 GHz	30 m telescope, operated by the University of Tasmania
Molonglo Observatory Synthesis Telescope (MOST)	Molonglo (near Canberra, ACT)	600-1200 MHz	Operated by the School of Physics at the University of Sydney. East-west arm of the former Molonglo Cross Telescope, approximately 1.6 km in length. Operates at 843 MHz.
Mopra Radio Telescope	Mopra Observatory, near Coonabarabran, New South Wales	0.3 – 100 GHz	22 m dish, operated by CSIRO as part of the ATNF (Australia Telescope National Facility).[13]
Mount Pleasant Radio Telescope	Hobart, Tasmania	1.2–23 GHz	26 m telescope, operated by the University of Tasmania
Murchison Widefield Array (MWA)	Murchison Radio-astronomy Observatory, Western Australia	80-300 MHz	Fixed 128 array of 16-element dual-polarisation antennas covering 80-300 MHz with approximately 30° field-of-view using electronic beam-forming
Parkes Radio Telescope	Parkes Observatory, New South Wales		64 m telescope (2nd largest movable dish in the Southern Hemisphere), operated by CSIRO as part of the ATNF (Australia Telescope National Facility).[14]

Europe

Name	Location	Frequency Range	Remarks
Effelsberg 100-m Radio Telescope	Bad Münstereifel-Effelsberg near Bonn, Germany	395 MHz and 95 GHz	100 m dish operated by Max Planck Institut für Radioastronomie, operates at 395 MHz to 95 GHz
Ukrainian T-shaped Radio telescope, second modification (UTR-2)	Grakovo, Kharkiv, Ukraine	8–40 MHz	World's largest radio telescope at decametre wavelengths (max. collective area 150 000 m²).
Lovell Telescope	Jodrell Bank Observatory, Cheshire, England		76 m dish
Yevpatoria RT-70 radio telescope	former soviet Center for deep space communications, Yevpatoria, Crimea	5–300 GHz	RT-70, 70 m telescope, operating range 5–300 GHz
RATAN-600	Zelenchukskaya, Russia	0.61–30 GHz	600 m dish, operates at 610 MHz to 30 GHz, world's largest diameter individual radio telescope
RT-64 (TNA-1500)	Kalyazin, Russia[15]	5.86 GHz	64 m fully steerable dish, up to 5.86 GHz
RT-64 (TNA-1500)	Medvezhji Ozera (Bear Lakes), Russia[15]	5.86 GHz	64 m fully steerable dish, up to 5.86 GHz
RT-22	Pushchino, Russia		Four 22 m fully steerable radio telescopes. At the 1960s the centimeter and millimeter-wavelength RT-22s had a world record-breaking high angular resolution for individual radio telescopes. Operated by the Pushchino Radio Astronomy Observatory.
DKR-1000	Pushchino, Russia		DKR-1000 is the world largest telescope operating in the meter wavelength range. A wide-band radio telescope instrument consists of two parabolic cylinders 1 km long and 40 m width. One cylinder extend from east to west and the 2nd from north to south. DKR-1000 has a high sensitivity and the telescope allows simultaneous observations at any wavelengths in the range from 2.5m to 10m. Operated by the Pushchino Radio Astronomy Observatory.
BSA	Pushchino, Russia		BSA is a Large Phased Array comprising over 16,000 dipoles and covering an area of 7.2 hectares. The BSA has a world record sensitivity in the meter wavelength range. Operated by the Pushchino Radio Astronomy Observatory.
Radioastronomical Observatory Zelenchukskaya	Karachaevo-Cherkessiya, Russia	1.4–22 GHz	32m RT-32 radio telescope, operating range 1.4–22 GHz.
Svetloe Radio Astronomical Observatory	Svetloe, Karelia, Russia	1.4–22 GHz	32m RT-32 radio telescope, operating range 1.4–22 GHz.
RT-7.5 (Bauman's radio telescope)	Moscow Oblast, Russia		Two 7.75-meter diameter antennas (only one is working at the moment) Remote access computer-aided laboratory
Yebes RT 40 m	Spanish National Observatory, Yebes, Guadalajara, Spain		40 m parabolic steerable telescope for mm and cm wavelengths
Toruń RT4 32 m	Toruń Centre for Astronomy, Toruń, Poland		RT4 (32 m) parabolic antenna
RT-32	Ventspils International Radio Astronomy Center, Irbene, Latvia		32-meter fully steerable parabolic, centimetre-wave range antenna RT-32
Northern Cross Radio Telescope	Medicina Radio Observatory, Medicina, Bologna, Italy	408 MHz	32000 m² interferometer, cylindrical-paraboloid steerable over NS., 408 MHz, Beam=3'
32 m VLBI dish	Medicina Radio Observatory, Medicina, Bologna, Italy	1.4–43 GHz	32 m, fully steerable dish, 1400 MHz...43 GHz
32 m VLBI dish	Noto Radio Observatory, Noto, Italy,	0.3–86 GHz	32 m, fully steerable dish, 300 MHz-86 GHz. Operates both as part of astronomical and geodetic VLBI network and as a single dish.
MERLIN (Multi-Element Radio Linked Interferometer Network)	United Kingdom		Consists of the Cambridge 32 m at Mullard Radio Astronomy Observatory, Darnhall, Defford, Tabley (also known as Pickmere) and Knockin. Also includes the Lovell and Mark II telescopes at Jodrell Bank.
EAARO - East Anglian Amateur Radio Observatory	Cambridgeshire, England	0–11 GHz	A scientific and educational charitable company currently constructing an Amateur Radio Observatory and Ground Station in Cambridgeshire
TNA-400	Center for deep space communications, Simferopol, Crimea		TNA-400, 32 m telescope
IRAM - 30m	Pico Veleta, in Granada, Spain		30m dish operated by the Institute for Millimetric Radio Astronomy (Institut de radioastronomie millimétrique, IRAM); works in the millimeter range (1mm to 3mm) both with superheterodyne and bolometric detectors.
Mark II	Jodrell Bank Observatory, Cheshire, England		25 m dish
Stockert	Bad Münstereifel-Eschweiler near Bonn, Germany		25 m dish operated by University of Bonn and Max Planck Institut für Radioastronomie, closed in 1993, now owned by NRW-Stiftung , reopened 2010 after restoration and operated by Förderverein Astropeiler Stockert
Toruń RT3 15 m	Toruń Centre for Astronomy, Toruń, Poland		RT3 (15 m) antenna.
Westerbork Synthesis Radio Telescope (WSRT)	Westerbork, Netherlands		2.8 km array of 14 25-meter dishes operated by ASTRON
25 m telescope	Onsala Space Observatory, Onsala, Sweden		25 m telescope
Dwingeloo (CAMRAS)	Dwingeloo, Netherlands		25 m steerable dish, formerly operated by ASTRON, now operated by CAMRAS
22 m telescope	Simeiz Observatory, Simeiz, Crimea		22-m radio telescope for mm and cm radio waves. Located at the foot of mount Koshka (Cat) in Katsiveli (near Simeiz). Belongs to the Crimean Astrophysical Observatory, the Department of Radioastronomy.
20 m telescope	Onsala Space Observatory, Onsala, Sweden		20 m telescope
Pluton (complex)	Center for deep space communications, Yevpatoria, Crimea		8 mirrors with diameter of 16 meters. Square is 1000 sq. meters.
RT-16	Ventspils International Radio Astronomy Center, Irbene, Latvia		16-meter diameter antenna RT-16 http://www.virac.lv/
KAIRA	Kilpisjärvi, Enontekiö, Finland		30 m × 50 m, 768-element phased array and a 34 m diameter, 48-element phased array
Metsähovi Radio Observatory	Kylmälä, Kirkkonummi, Finland	2–150 GHz	13.7 m dish, operates at 2 to 150 GHz, surface accuracy 0.1 mm (rms).
Ryle Telescope	Mullard Radio Astronomy Observatory, Cambridge, England		Eight 13 m dishes, and is currently used as one part of the Arcminute Microkelvin Imager.
Erciyes University Radio Observatory	Kayseri, Turkey		12.8 m dish
Wurzburg v2.0 LAB/OASU (Bordeaux Observatory radio telescope)	Floirac, Gironde, France	1.4-1.7 GHz	7.5 meter diameter antenna. Observable frequency range : 1.4-1.7 GHz. Bandwidth ~9.2 MHz Wurzburg v2.0 Remote access - Web Interface
European VLBI Network (EVN)	Distributed across Europe with members in China, South Africa and the USA		VLBI array operated by the European Consortium for VLBI
Plateau de Bure Interferometer	Plateau de Bure, Grenoble, France		Originally an array of 3 antennas, since 2005 has 6 antennas, operating at millimeter wavelengths.
Northern Extended Millimeter Array	France		12 antennas, operating at millimeter wavelengths (Operational: 2019).
Nançay Radio Telescope (NRT)	Nançay, France		NRT website (fr)
Nançay Decameter Array (DAM)	Nançay, France	10-100 MHz	DAM website (fr)
Nançay Radio Heliographe (NRH)	Nançay, France	150-450 MHz	NRH website (fr)
ALLBIN (Amateur Linked Long Baseline Interferometer Network)	Germany		A Small Network of Radio Telescopes and Radio Spectrographs doing Amateur Radio Astronomy at a Very High standard coordinated by The European Radio Astronomy Club[16] Research and Development Telescope in Mannheim Germany.
LOFAR (LOw Frequency ARray)	Netherlands, Germany, Great Britain, France, Sweden, Poland; in future possibly other countries	10-240 MHz	Low frequency array of dipole antennas at 1.25 to 30m wavelengths (10-240 MHz), with a strongly distributed signal processing system. The telescope beam is constructed in software from combinations of antenna signals. Operated by ASTRON
Arcminute Microkelvin Imager	Mullard Radio Astronomy Observatory, Cambridge, England		Small Array consists of 10 3.7-m parabolic antennas
The European Radio Astronomy Club Telescope and Development Facility (ERAC Telescope)	Mannheim, Germany		From 14KHzVLF up to 40 GHz [17]
ERAC Phased Array	The European Radio Astronomy Club, Elsass, France		Phased array and Digital back end based on the SKA design
ERAC Phased Array	The European Radio Astronomy Club, East Lothian, Scotland		Phased array and Digital back end based on the SKA design
64m Sardinia Radio Telescope	San Basilio, Sardinia, Italy		Sardinia_Radio_Telescope
ROT-54/2.6	Mount Aragats, Armenia, near Yerevan	1.5–300 GHz	Radio optical Telescope with 54 m Spherical Reflector Antenna and 2.6 m optical telescope on the same axis. One of the most sensitive and low noise antennas in the world.

North America

Name	Location	Frequency Range	Remarks
Algonquin Radio Telescope	Algonquin Radio Observatory, Algonquin Park, Ontario, Canada		46 metre fully steerable dish operated by Thoth Technology,[18] Canada's largest radio telescope.
Allen Telescope Array	Hat Creek Radio Observatory, Hat Creek, California, USA	0.5-11.5 GHz	42 6-m gregorian offset dishes using log periodic cooled feed covering .5 GHz - 11.5 GHz. Operated by joint agreement between SRI International and the SETI Institute
ARO 12m Radio Telescope	Kitt Peak National Observatory, Tucson, Arizona, USA		Previously operated by the NRAO, this telescope is currently operated by the University of Arizona's Arizona Radio Observatory, part of Steward Observatory.
C-BASS North	Owens Valley Radio Observatory, Big Pine, California, USA	4.5-5.5 GHz	6.1 metre dish with polarimeter back end[5]
Canadian Hydrogen Intensity Mapping Experiment (CHIME)	Dominion Radio Astrophysical Observatory, Okanagan Falls, British Columbia, Canada	400 - 800 MHz	A novel drift scan telescope, which will consist of five 100 x 20 meter cylinders, with an array of radio receivers along the focus. Will map the 21 cm line of neutral hydrogen over the cosmological redshift range of 0.8 to 2.5. Currently operating a pathfinder telescope with two half-length (40 x 20 meter) cylinders.
Combined Array for Research in Millimeter-wave Astronomy (CARMA)	Owens Valley Radio Observatory, Big Pine, California, USA	75–345 GHz	Heterogeneous interferometer array composed of 6 10-m elements, 9 6-m elements, and 8 3.5-m elements covering frequencies ranging from 27–36 GHz, 80–115 GHz, and 215–265 GHz. Operated by joint agreements between Radio Astronomy Laboratory University of California, Berkeley, Caltech, University of Maryland, College Park, University of Illinois, Urbana-Champaign, and the University of Chicago.
Dominion Radio Astrophysical Observatory	Okanagan Falls, British Columbia, Canada	408 - 1420 MHz	Synthesis telescope consists of seven 9-metre (30 ft) parabolic antennas, three of which are movable along a 600-metre rail line.
Five College Radio Astronomy Observatory (FCRAO)	Amherst, Massachusetts, USA		Operated by UMass Amherst
Goldstone Radio Telescope	Mojave Desert California USA		One of the most sensitive radars in the world
Green Bank Interferometer (GBI)	Green Bank, West Virginia, USA		Three 26 meter (85 ft) radio telescopes operated by NRAO
Green Bank Telescope (GBT)	Green Bank, West Virginia, USA		World's largest 100-metre (330 ft) fully steerable single-dish radio telescope
Green Bank 140 Foot Telescope (140)	Green Bank, West Virginia, USA		43m equatorial mount single-dish radio telescope
Haystack Observatory	Westford, Massachusetts, USA		37m radome-enclosed 90 GHz radar/radiotelescope; 9m radar for space debris tracking, 46m incoherent scatter radar, 26m L-band deep space tracking radar, 18m radiotelescope used for geodesy. Operated by the Massachusetts Institute of Technology
Heinrich Hertz Submillimeter Telescope (SMT)	Mount Graham, Arizona, USA		10-meter radio telescope operated by the University of Arizona's Arizona Radio Observatory, part of Steward Observatory.
Large Millimeter Telescope (LMT)	Sierra Negra, Puebla, Mexico		A 50-meter telescope for observations at millimetre wavelengths, the largest single dish instrument operating in this wavelength band.
Leuschner Observatory	Lafayette, California, USA		A 4.5-meter single dish, prototype dish for the Allen Telescope Array
Long Wavelength Array (LWA)	Socorro, New Mexico, USA	10-88 MHz	A telescope composed of 256 crossed-dipole antennas currently under development by the University of New Mexico and the Naval Research Laboratory
Morehead State University 21m.	Morehead, Kentucky, USA		A 21 m. telescope used for academic research and satellite data retrieval and control.
Paul Plishner Radio Astronomy and Space Sciences Center	Haswell, Kiowa County, Colorado, USA		An 18-meter telescope under development since 2010 for use by educators in Colorado and others. Sponsored by the Deep Space Exploration Society of Boulder County, Colorado
OVRO 40 meter Telescope	Owens Valley Radio Observatory, Big Pine, California, USA	15 GHz	This cm wavelength telescope operated by Caltech, is currently being used on a blazar monitoring program at 15 GHz.
Peach Mountain Observatory	Ann Arbor, Michigan, USA		26m telescope built in 1958, operated by the University of Michigan. Currently undergoing renovation.
Precision Array for Probing the Epoch of Reionization (PAPER)	Green Bank, West Virginia, USA	100-200 MHz	Thirty-two crossed-dipole antennas measuring 100-200 MHz
Solar monitor, two 1.8 m dishes	Dominion Radio Astrophysical Observatory, Penticton, British Columbia, Canada		The first dish here was originally a backup for the Algonquin site, but when the ARO site was later closed its instrument moved to DRAO and became its backup.
SRI International Antenna Facility	Palo Alto, California, USA		45.7 m parabolic reflector. Owned by the U.S. Government and constructed by SRI on land leased from Stanford University, the Antenna Facility is known locally as "The Dish."
Synthesis Telescope, seven-element interferometer	Dominion Radio Astrophysical Observatory, Penticton, British Columbia, Canada
Very Large Array (VLA)	Socorro, New Mexico, USA		Array of 27 dishes. Part of NRAO.
Very Small Array (VSA)	Cogan Station, Pennsylvania, USA		Array of 8 small dishes. Part of The SETI League's Project Argus initiative.
Very Long Baseline Array (VLBA)	Socorro, New Mexico USA (operations center)		Array system of 10 radio telescopes; dishes are located at Mauna Kea, Hawaii, Owens Valley, California, Brewster, Washington, Kitt Peak, Arizona, Pie Town, New Mexico, Los Alamos, New Mexico, Fort Davis, Texas, North Liberty, Iowa, Hancock, New Hampshire, and St. Croix, U.S. Virgin Islands.
Two 26 m dishes	Pisgah Astronomical Research Institute (PARI), Rosman, North Carolina, USA

South America

Name	Location	Frequency Range	Remarks
Atacama B-Mode Search (ABS)	Llano de Chajnantor Observatory, Atacama Desert, Chile	127–163 GHz	60 cm telescope located on Cerro Toco and designed to measure the polarization of the CMB.
Atacama Cosmology Telescope (ACT)	Llano de Chajnantor Observatory, Atacama Desert, Chile		6 m telescope located on Cerro Toco.
Atacama Large Millimeter Array (ALMA)	Llano de Chajnantor Observatory, Atacama Desert, Chile		54 dishes with 12-m diameter and 12 dishes with 7-m diameter, sensitive to wavelengths between radio and infrared (submillimetre astronomy).
Atacama Pathfinder Experiment (APEX)	Llano de Chajnantor Observatory, Atacama Desert, Chile		12 m telescope located at the Chajnantor plateau.
Atacama Submillimeter Telescope Experiment (ASTE)	Llano de Chajnantor Observatory, Atacama Desert, Chile		10 m telescope located at Pampa La Bola.
Brazilian Decimetric Array (BDA)	Cachoeira Paulista, São Paulo, Brazil	1.2-6.0 GHz	38-element radio telescope interferometer working in the frequency range of 1.2-6.0 GHz. The final baseline will be 2.27 km in the East-West and 1.17 km in the South directions, respectively. This instrument will obtain radio images from the sun with a spatial resolution ~4x6 arc seconds. Located in Cachoeira Paulista, São Paulo, Brazil (Latitude 45° 00' 20" West and Longitude 22° 41' 19" South)[19]
Cosmic Background Imager (CBI)	Llano de Chajnantor Observatory, Atacama Desert, Chile		13 dishes with 1m diameter located at the Chajnantor plateau. Decommissioned in 2008.
Itapetinga Radio Observatory	Atibaia, São Paulo, Brazil		13,7 m telescope, operates in the K and Q bands, with cryogenic receivers[20]
NANTEN2 Observatory (NANTEN2)	Llano de Chajnantor Observatory, Atacama Desert, Chile		4m telescope located at Pampa La Bola.
Northeastern Space Radio Observatory	Eusébio, Brazil		14,2 m telescope
POlarization Emission of Millimeter Activity at the Sun	Complejo Astronomico El Leoncito (CASLEO), San Juan Province, Argentina	45 and 90 GHz	Full sun disk patrols with left- and righ-hand circular polarization receivers.
Q/U Imaging Experiment (QUIET)	Llano de Chajnantor Observatory, Atacama Desert, Chile		Located at the Chajnantor plateau.
Solar Submillimeter Telescope (SST)	Complejo Astronomico El Leoncito (CASLEO), San Juan Province, Argentina	212 GHz and 405 GHz	1.5 m radome enclosed, single dish Cassegrain antenna, with a focal array (4 beams @ 212 GHz, 2 beams @ 405 GHz) of room temperature receivers.
Swedish-ESO Submillimetre Telescope (SEST)	La Silla Observatory, Atacama Desert, Chile		15 m telescope. Decommissioned in 2003[21]

Atlantic Ocean

Name	Location	Frequency Range	Remarks
Very Small Array (VSA)	Observatorio del Teide, Canary Islands, Spain		Array of 14 dishes, with two larger source-subtraction dishes. Controlled remotely from UK.
Arecibo Observatory	Arecibo, Puerto Rico		305 m (1,001 ft), The world's largest single-dish radio telescope.

Indian Ocean

Name	Location	Frequency Range	Remarks
Mauritius Radio Telescope	Mauritius

Pacific Ocean

Name	Location	Frequency Range	Remarks
Caltech Submillimeter Observatory	Mauna Kea Observatory, Hawaii, USA		10.4 m (34 ft) diameter submillimeter wavelength telescope
James Clerk Maxwell Telescope	Mauna Kea Observatory, Hawaii, USA		15-meter submillimetre-wavelength telescope operated by the Joint Astronomy Centre
Submillimeter Array (SMA)	Mauna Kea Observatory, Hawaii, USA		Operated jointly by the Smithsonian Astrophysical Observatory and the Academia Sinica Institute of Astronomy and Astrophysics of Taiwan.
Warkworth Radio Telescope	Warkworth Radio Observatory, Warkworth, New Zealand		12 metre fully steerable dish operated by IRASR, Auckland University of Technology[22]
Warkworth 2 dish	Warkworth Radio Observatory, Warkworth, New Zealand		30 metre fully steerable dish operated by IRASR, AUT University[22]

Space-based

Name	Location	Frequency Range	Remarks
HALCA (Highly Advanced Laboratory for Communications and Astronomy)	Earth orbit with an apogee altitude of 21,400 km and a perigee altitude of 560 km.		Ceased operations 2005
Zond 3	Russian spacecraft carrying a radio telescope		Ceased operations 1966
Spektr-R or RadioAstron	10 meter radio telescope in a highly elliptical earth orbit. Launched July 2011.

Under construction or planned construction

Name	Location	Frequency Range	Remarks
EAARO - East Anglian Amateur Radio Observatory	Cambridgeshire, England	0–11 GHz	A scientific and educational charitable company currently constructing an Amateur Radio Observatory and Ground Station in Cambridgeshire
Large Latin American Millimeter Array (LLAMA)	Alto Chorrillos, near San Antonio de los Cobres, Salta, Argentina	45 – 900 GHz	12 m single dish, VLBI, in construction, expected to start operations in 2017
Qitai 110m Radio Telescope (QTT)	Xinjiang, China	0.3–117 GHz	Planned world’s largest fully steerable single-dish radio telescope with a diameter of 110 meters. Operates at 300 MHz to 117 GHz. Construction of the telescope is planned to start in 2013 and completed within 5 years.

Proposed telescopes

Name	Location	Frequency Range	Remarks
30m Sub-Millimeter Telescope (TSMT)	China		A 30m aperture sub-millimeter telescope (TSMT) with an active reflector has been proposed in China.
LOFAR Super Station (LSS)	Nançay, France	10-80 MHz	The Nancay radio astronomy observatory and associated laboratories are developing the concept of a "Super Station" for extending the LOFAR station now installed and operational in Nancay. The LOFAR Super Station (LSS) will increase the number of high sensitivity long baselines, provide short baselines and an alternate core, and be a large standalone instrument. It will operate in the low frequency band of LOFAR (30-80 MHz) and extend this range to lower frequencies.
Square Kilometer Array (SKA)	Australia, South Africa	0.05–30 GHz	This array, if built, would be 50 times more sensitive and 10,000 times faster than any other radio telescope.

See also

• Radio telescope
• Category:Radio telescopes
• List of observatories

References

1. "HartRAO Radio Telescope Facts". Retrieved 2007-01-23.
2. "This year will see major advances in South Africa and in international radio astronomy projects". Engineering News (Creamer Media). 2010-01-15. Retrieved 5 April 2010.
3. "Indlebe". Durban University of Technology. Retrieved 5 April 2010.
4. "About the KAT". Archived from the original on 2007-02-08. Retrieved 2007-01-23.
5. "C-BASS".
6. "Degree Angular Scale Interferometer". Retrieved 4 January 2009.
7. "South Pole Telescope". Retrieved 4 January 2009.
8. "Introducing GMRT". Retrieved 2007-01-23.
9. "Giant Metrewave Radio Telescope, Tata Institute of Fundamental Research".
10. "Australian Square Kilometre Array Pathfinder".
11. "Australia Telescope Compact Array".
12. "Canberra Deep Space Communication Complex".
13. "Mopra telescope".
14. "Parkes radio observatory".
15. http://www.okbmei.ru/en/page.html?id=54
16. ERAC website
17. http://sites.google.com/site/radiotelescopemannheim//
18. Thoth Technology - Make it happen
19. "Brazilian Decimetric Array (BDA)". Retrieved 2010-01-28.
20. "Radio Observatorio do Itapetinga (ROI)". Archived from the original on July 23, 2010. Retrieved 2010-01-28.
21. "Swedish-ESO 15m Submillimeter Telescope (SEST)". Retrieved 2008-08-26.
22. "Radio telescopes - AUT University". AUT. Retrieved 25 October 2015.

External links

• List of radio telescopes outside the US
• List of radio telescopes in the US
• East Anglian Amateur Radio Observatory Website