
This is a list containing the SETI searches looking for signals in the Radio part of the EM spectrum.
This list contains the first SETI observations written in the 1960s up to present day searches being conducted by teams all
over the world. To see the bibliographic information, click on the title of the search you’re interested in.
| Title | Date | Observers | Site | Objects | Instrument Size (m) | Flux Limit (W/m^2) | Search Frequency (MHz) | Frequency Resolution | Hours Observed | Link |
|---|---|---|---|---|---|---|---|---|---|---|
| Project OZMA | 1960 | DRAKE F. | NRAO | 2 STARS | 26 | 1 x 10-22 | 1420-1420.4 MHz | 100 Hz | 200 Hr. | FULL PAPER |
| Transmission of Information by Extraterrestrial Civilizations | 1964-1965 | KARDASHEV , SHOLOMITSKII | CRIMEA DEEP SPACE STATION | 2 QUASARS | 16m (8 ANTENNAS) | 2 x 10-20 | 923 | 10 x 106 Hz | 80 Hr | FULL PAPER |
| The Radio Source 1934-63 | 1966 | KELLERMAN | CSIRO | 1 GALAXY (1934-63) | 64 | 1 X 10-18 | MANY BETWEEN 350 & 5000 | FULL BANDWIDTH FOR EACH FEED | FULL PAPER | |
| Search for Monochromatic 927-MHz Radio Emission from Nearby Stars | 1968-1969 | TROITSKII, STARODUBTSEV, GERSHTEJIN | ZIMENKIE, USSR | 11 STARS | 5 | 2 x 10-21 | 926-928, 1421 – 1423 | 13 Hz | 12 Hr. | FULL PAPER |
| The Search for Sporadic Radio Emission from Space | 1969-1983 | TROITSKII, BONDAR, STARODUBTSEV | GORKII, CRIMEA, MURMANSK AND PRIMORSKIJ REGIONS | ALL SKY SEARCH FOR SPORADIC PULSES | DIPOLES | 10-22 W/m2/Hz | 1863, 927, 600 | 1200 PER YEAR (ON AVERAGE) | FULL PAPER | |
| Measurement of One-Dimensional Function of Distribution for Signals from Galactic Sources | 1970-1972 | SLYSH, PASHCHENKO, RUDNITSKII | NANÇAY | 5 OH MASERS | (40 x 240m) | 1667, 1665 | 4000 Hz | 2 Hr. | SUMMARY (P. 1) | |
| A search for narrow band 21-cm wavelength signals from ten nearby stars | 1971-1972 | VERSCHUUR | NRAO | 9 STARS | 91, 43 | 5 x 10-24;2 x 10-23 | 1419.8-1421, 1410-1430 | 490 Hz, 6900 Hz | 13 Hr | FULL PAPER |
| SETI investigations in the USSR | 1972 | KARDASHEV , POPOV, SOGLASNOV | CRIMEA, RT-22 | GALACTIC CENTER | 22 | 8570 | FULL PAPER | |||
| SETI Investigations in the USSR – 2 | 1972-1974 | KARDASHEV , GINDILIS, POPOV | CAUCASUS, PAMIR, KAMCHATKA, MARS 7 SPACECRAFT | OMNI-DIRECTIONAL | 38, 60 | 2 x 10-16 -;7 x 10-15 | 371, 408, 458, 535 | 5 x 106 Hz | 150 hr. | FULL PAPER |
| Qui Appelle? | 1972-1976 | BRIDLE , FELDMAN | ARO | 70 STARS | 46 | 10-22 | 22230.08-22240.08 | 3 x 104 Hz | 140 Hr. | FULL PAPER |
| OZMA Revisited(Page 26) | 1972-1976 | PALMER , ZUCKERMAN | NRAO | 674 STARS | 91 | 10-23 | 1413-1425, 1420.1-1420.7 | 6.4 x 104 Hz, 4000 Hz | 500 Hr. | BLURB (P. 2) |
| We Wait and Wonder | 1973-1986 | DIXON, EHMAN, RAUB | OSURO | ALL SKY SEARCH | 53 | 1.5 x 10-21 | 1420.15-1420.65 | 10 Hz, 1000 Hz | 100000 | FULL PAPER |
| The Ohio Sky Surveys and other Surveys | 1973-1998 | KRAUS J. | OSURO | ALL SKY SEARCH | 53 | 1.5 x 10-21 | 1421.75-1424.25 | 0.6 Hz, 100 Hz, 10 Hz | 5 Hr. | FULL PAPER |
| Search for UV Laser Lines with Copernicus | 1974 | WISHNIA | COPERNICUS SATELLITE | 3 STARS | 1 | 3 x 109 | FULL PAPER | |||
| The Tantallizing “WOW!” Signal | 1977 | KRAUS J. | OSURO | RA:19h 25m 12s or 19h 22m 22s Dec: -27 (deg) 3′ 20” (1950) | 109.7 m | SNR ranges from 0-30 | 1420.3556 | ~70 seconds | FULL PAPER | |
| A high-sensitivity search for extraterrestrial intelligence at λ18 CM | 1977 | TARTER, BLACK, CUZZI | NRAO | 200 STARS | 91 | 1.1 x 10-23 | 1664-1668 | 0.5 Hz | 100 | FULL PAPER |
| A passive SETI in globular clusters at the hydroxyl and water lines | 1978 | COHEN, MALKAN , DICKEY | NAIC, HRO, CSIRO | 25 GLOBULAR CLUSTERS | 305, 36, 64 | 1.8 x 10-25;1.1 x 10-22;1.5 x 10-24 | 1665, 1667, 22235.08, 1612.231 | 9500 Hz, 65000 Hz, 4500 Hz | 40 Hr., 20 Hr., 20 Hr. | FULL PAPER |
| Eavesdropping: The Radio Signature of the Earth | 1978 | KNOWLES , SULLIVAN | NAIC | 2 STARS | 305 | 2 x 10-24 | 130-500 | 1 Hz | 5 Hr | FULL PAPER |
| Simultaneous search for Pulsed Events | 1979 | COLE , EKERS | CSIRO | NEARBY F, G & K STARS | 64 | 4 x 10-18 | 4995-5005, 4999-5001 | 107 Hz, 106 Hz | 50 hr. | FULL PAPER |
| Recent SETI observations at Arecibo | 1979-1981 | TARTER, CLARK, DUQUET | NAIC | 200 STARS | 305 | 1 x 10-25 | 1418.4-1422.4, 1664-1668 | 5 Hz, 600 Hz | 100 | FULL PAPER |
| SERENDIP I | 1980 | BOWYER ET AL. (U.C. BERKELEY) | HCRO | ALL SKY SURVEY | 26 | 5.2 x 10-22 | 917-937, 1410-1430, 1602-1605, 1853-1873, 5000 | 1000 Hz | ~800 | FULL PAPER |
| Radar reflections sought from artifacts in parking orbits. | 1980-1981 | SUCHKIN, TOKAREV, ET AL. | NIRFI GORKII, GAISH MOSCOW | L4 & L5 LIBRATION POINTS OF EARTH-MOON SYSTEM | 9.3 | 1500 Hz | 20 | BLURB (P. 5), EXTRA | ||
| Search for Narrowband and Broadband signals along the North Galactic Axis | 1981 | LORD , O’DEA | U. MASS | NORTH GALACTIC ROTATION AXIS b = 5? -> 90? | 14 | 10-21 | 115000 | 20000, 125000, 4 x 108 | 50 | https://technos… |
| SIGNAL (Search for Intelligence in the Galactic Nucleus with the Array of the Lowlands) | 1981 | SHOSTAK , TARTER | WRST | GALACTIC CENTER | 2700 m (INTERFEROMETER MAX BASELINE) | 10-24 | 1420.24-1420.56 | 1200 Hz | 4 | FULL PAPER |
| A symbiotic approach to SETI observations: Use of maps from the Westerbork Synthesis Radio Telescope | 1981 | TARTER, ISRAEL | WRST | 85 STAR FIELDS | 2700 (INTERFEROMETER MAX BASELINE) | 6 x 10-22 ;-6 x 10-24 | 1420 | 4 x 106 , 10 x 106 | 600 | FULL PAPER |
| SETI Observations World Wide | 1981-1982 | TARTER J. | U. Mass | NORTH GALACTIC ROTATION AXIS b = 5(degrees) -> 90(degrees) | 14 | 10-21 | 115000 | 20000, 125000, 4 x 108 | 50 | FULL PAPER |
| Conclusion of Target Search at the Nançay Observatory | 1981-1988 | BIRAUD , TARTER | NANÇAY | 343 STARS | (40 x 240m) | 1 x 10-24 | 1420.08-1420.72, 1665-1667 | 48.8 Hz | ~600 | FULL PAPER |
| Suitcase SETI – Project Sentinel | 1981-1985 | HOROWITZ, TEAGUE, LINSCOTT | NAIC | 250 STARS initially, Grows to North Hemisphere search. | 305 | 4 x 10-26;-6 x 10-28 | 2840.8, 1420.4 | 0.03 Hz | 75 | FULL PAPER, PRESENTATION |
| Search for Strongly Polarized Radio Emission from E.T.I. and an Optimistic Approach to the Great Silence (Fermi’s Paradox) | 1982 | VALLEE , SIMARD-NORMANDIN | ARO | GALACTIC CENTER MERIDIAN | 46 | 10-19 | 10522 | 185 x 106 Hz | 72 | FULL PAPER |
| Search for single dispersed pulses and telemetry signals | 1983 | DAMASHEK | NRAO | SKY SURVEY (PULSARS) | 92 | 2 x 10-22 | 382-398 | 2 x 106 Hz | 700 | BLURB (P. 7) |
| A search for the tritium hyperfine line from nearby stars | 1983 | VALDES , FREITAS | HCRO | 80 STARS & 12 NEARBY STARS | 26 | 3 x 10-24 | 1514-1518 | 4.9 Hz, 76000 Hz | 100 | FULL PAPER |
| Southern SETI | 1983 | GULKIS | DSS 43 | PARTIAL SOUTHERN SKY | 64 | 2 x 10-22 | 8000, 2375-2385 | 40000 Hz | 800 | FULL PAPER |
| Partnership with Silicon Valley and NASA Ames. | 1983-1984 | CULLERS | AMSETI | 2 | ~1420 | ??? | BLURB (P. 8) | |||
| Hay River SETI | 1983-1998 | STEPHENS | INTERSTELLAR ELECTRO-MAGNETICS INSTITUTE AT HAY RIVER, NWT | NORTHERN SKY SURVEY | [(2 x 18m) = 28m EQUIVALENT] | T sys ~75 K | 1415-1425 | 30000 | ??? | SUMMARY |
| A Search in the Infrared to Microwave for Astroengineering Activity | 1984 | SLYSH | SATELLITE | ALL SKY 3(degrees) K BB | RADIOMETER | T/T ? .01 | 37000 | 4 x 108 Hz | 6000 | FULL PAPER |
| META SETI | 1985-1995 | HOROWITZ | OAKRIDGE (HARVARD UNIVERSITY) | SKY SURVEY | 26 | 1.7 x 10-23 | 1420.4, 1665.4, 1667.3, 2840.8 | 0.05 Hz | ~ 80,000 | FULL PAPER |
| The Berkeley Piggyback SETI Program: Serendip II | 1986-1988 | BOWYER, WERTHEIMER , LAMPTON M. | HCRO, NRAO, DSS14 | SKY AREAS OBSERVED BY ASTRONOMERS | 26, 64, 92 | 4 x 10-24 | 400-3500 | 0.46 Hz | ~17000 | FULL PAPER |
| Search through Mongolo Survey Catalog | 1986 | ARKHIPOV | HD 21899 | 408 | BLURB (P. 8) | |||||
| Search at H_2 CO frequency | 1986 | MIRABEL | NRAO | GALACTIC CENTER & 33 NEARBY STARS | 43 | 6 x 10-25 to 10-24 | 4829.620-4829.776 | 76 | 144 | BLURB (P. 8) |
| A Search of the “Wow” Locale for Intermittent Radio Signals | 1987 | GRAY | OAK RIDGE (HARVARD UNIVERSITY) | SKY POSITION CORRESPONDING TO OSURO’s 1977 “WOW” SIGNAL | 26 | 1.5 x 10-24 | 1220.41-1620.41 | 16 | FULL PAPER | |
| Remote observation of IRAS source near galactic center for Dyson sphere | 1987 | TARTER, KARDASHEV , SLYSH | VLA | G357.3-1.3 | (9 x 26m) | 1612.231 | 6105 Hz | 1 | BLURB (P. 8) | |
| SETI Observational Program in Argentina | 1987-1993 | COLOMB, MARTIN , LEMARCHAND | IAR | 78 SOLAR-TYPE STARS | 30 | 5 x 10-23 | 1415.4057, 1425.4057, 1667 | 2500 Hz | 320 | FULL PAPER |
| Search for Interstellar Beacons at the 3He+ Hyperfine Transition Frequency | 1988 | BANIA , ROOD | NRAO | 24 “VEGA-LIKE” STARS WITH 60 MICRON EXCESSES (IRAS) | 43 | 1 Jy | 8665 | 305 Hz | 50 | FULL PAPER |
| All Sky Search at Ohio State University | 1989-1996 | Childers, DIXON, BOLINGER | OSURO | ALL SKY SEARCH | 53 | 1.5 x 10-22 | 1400-1700 | 100 Hz, 10 Hz, 2000 Hz | 60000 | BLURB (P. 8) |
| A Test for the Interstellar Contact Channel Hypothesis in SETI | 1990 | BLAIR ET AL. | CSIRO | 100 SOLAR-TYPE STARS VISIBLE ONLY FROM SOUTHERN HEMISPHERE | 64 | 2 Jy | 4461.98-4462.03 | 100 Hz | 60 | FULL PAPER |
| Long Integrated Search for Low Duty Cycles | 1990 | GRAY | OAK RIDGE (HARVARD UNIVERSITY) | M31 | 26 | 1420.2-1420.6 | 0.05 Hz | 50 | BLURB (P. 10) | |
| Results of Two Years of SETI Observations with META II | 1990-2010 | LEMARCHAND | INSTITUTE FOR ARGENTINE RADIOASTRONOMY (IAR) | SKY SURVEY OF SOUTHERN SKIES AND 90 TARGET STARS, AND OH MASERS | 30 (ONE OF TWO) | 10-23;-7 x 10-25 | 1420.4, 1667, 3300 | 0.05 Hz | 9000 | FULL PAPER |
| The NASA HRMS Sky Survey X-B and Observations: A Progress Report | 1992-1993 | Oliver, Levin S., Olsen E.T. | GOLDSTONE, CA | 72 SKY FRAMES AT X-BAND AND 130 SKY FRAMES REPEATEDLY MAPPING 3 GALACTIC PLANE REGIONS AT L-BAND IN SEQUENTIAL CIRCULAR POLARIZATION | 26, 34 | 5 x 10-22 | 1700, 8300-8600 | 19 Hz | 1386 | FULL PAPER |
| HRMS: Where We’ve Been, and Where We’re Going | 1992-1993 | Tarter J, Klein M | ARECIBO, PR | 25 STARS | 305 | 5 x 10-24 | 1300-2400 | 1 Hz, 7 Hz, 28 Hz | 200 | FULL PAPER |
| SERENDIP III – Forty Trillion Signals from SERENDIP: The Berkeley SETI Program | 1992-1997 | BOWYER, WERTHIMER, DONNELLY | ARECIBO | SURVEY OF 30% OF SKY | 305 | 5 x 10-25 | 424-436 | 0.6 | ~40000 | FULL PAPER |
| A SETI search of nearby solar-type stars at the 203-GHz positronium hyperfine resonance | 1993 | STEFFES , DeBOER | NRAO/TUCSON | 40 STARS + 3 LOCATIONS NEAR GALACTIC CENTER | 12 | 2.3 x 10-19 | 203000 | 32 Hz | 25 | FULL PAPER |
| META II Target Search | 1993-1995 | LEMARCHAND ET AL. | INSTITUTO ARGENTINO DE RADIOASTRONOMIA (IAR) | TARGETED SEARCH < 8-10(degrees) | 30 | 10-24 | 1420 | 0.05 Hz | 290 | FULL PAPER, EXTRA |
| SETI at the Spin-Flip Line Frequency of Positronium | 1994 | MAUERSBERGER, WILSON, ROOD | IRAM/PICO VELETA | 16 STARS + GALACTIC CENTER | 30 | 0.2-20 x 1015 | 203000 | 106 Hz, 9700 | ~5 | FULL PAPER |
| Search of “WOW” locale with 4” synthesized beam. | 1995 | GRAY | NRAO/VLA | OSU “WOW” LOCALE | 27-ELEMENT ARRAY of 26M ANTENNAS | 10 mJy/beam/channel;100 | 1420 | 6104 Hz, 381 Hz | 4 | BLURB (P. 11) |
| The Phoenix Search Results | 1995 | SETI INSTITUTE PROJECT PHOENIX | ATNF/PARKES and MOPRA | 206 STARS, 1200-1750 MHz 105 STARS, 1750-3000 MHz | 64, 22 | 1.32 x 10-25 FOR HALF of 1750-3000 MHz OBSERVATIONS.;1.82 x 10-25 FOR ALL OTHER OBSERVATIONS | 1200-3000 | 1 Hz | 2600 | BLURB (P. 11) |
| A Search for Artificial Signals from the Small Magellanic Cloud | 1995 | SHOSTAK , EKERS, VAILE | ATNF/PARKES | 3 FIELDS IN THE SMC | 64 | 1.9 x10-25 | 1200-1750 | 1 Hz | 24 | FULL PAPER |
| A Galactic center search for extraterrestrial intelligent signals | 1995 | SULLIVAN, WELLINGTON, SHOSTAK | ATNF/PARKES | GALACTIC CENTER AND 5(degrees) HIGH STRIP +/-15(degrees)LONGITUDE ALONG GALACTIC PLANE | 64 | (1.5 – 10) x 10-25 | 1415-1425 | 1 | 48 | ABSTRACT |
| Search of Galactic Disk at Australia for Dyson Spheres | 1995 | TE LINTEL, HEKKERT, TARTER | ATNF/PARKES and MOPRA | 4 POTENTIAL DYSON SPHERES | 64, 22 | 1.9 x 10-25 | 1200-3000 | 1 Hz | 48 | BLURB (P. 11) |
| Interstellar Communication Channel Search of 49 Target Stars | 1995 | ZADNIK ET AL. (PHOENIX COOPERATIVE SCIENCE) | ATNF/PARKES | 49 STARS CLOSER THAN 11.5 pc | 64 | 3.5 Jy;5.0 Jy | 4462, 4532, 8295, 8393, 8666 | 1 Hz | 48 | FULL PAPER |
| SERENDIP at Ohio State University | 1995-1998 | Brown, KLEIN , DIXON | OSURO | ALL SKY SEARCH | 53 | 1421.75-1424.25 | 0.6 Hz | 5000 | BLURB (P. 12) | |
| Strategies, Implementation And Results Of BETA | 1995-1999 | LEIGH, HOROWITZ | OAK RIDGE OBSERVATORY | SKY SURVEY FROM -30(degrees) to + 60(degrees) DECLINATION | 26 | 2.2 x 10-22 | 1400-1720 | 0.5 Hz | ~35000 | FULL PAPER |
| SETI LEAGUE | 1995-ON | SETI LEAGUE PROJECT ARGUS | MULTIPLE SITES WORLD-WIDE (CURRENTLY ~100) | ALL SKY | ~3-10 m (SATELLITE TV DISHES) | 10-21 | 1420-1720 | 1 Hz | ONGOING | WEBSITE |
| New Observing Protocol: Search of newly discovered extrasolar planetary systems | 1996 | BIRAUD , AIRIEAU | NANÇAY OBSERVATORY | 4 STARS WITH GIANT PLANETS (51 Peg, 47 UMa, 70 Vir, Gl 229) | (40 x 240m) | 10-24 | 1419.7-1420.3, 1657.8-1662.2 | 50 Hz | 40 | BLURB (P. 13) |
| Project Phoenix and Beyond | 1996-1998 | Cullers D.K., SETI Institute Project Phoenix, | NRAO, Woodbury | 195 stars | 43, 30 | 1.3 x 10-25 | 1200-3000 (dual pol) | 0.7 Hz | 4200 | FULL PAPER |
| A VLA SEARCH FOR THE OHIO STATE “WOW” | 1996 | GRAY R., Marvel K. | VLA | WOW Signal Location | (9 x 26m) | 20 mJy | 1420, 5000 | spatial resolution = 44 | ~ 2 hours | FULL PAPER |
| SERENDIP IV: Data Acquisition, Reduction, and Analysis | 1997-2009 | Cobb Jeff, Lebofsky M., WERTHIMER D. | NAIC, Arecibo | Sky Survey | 305 | 1420 | 20 Hz | FULL PAPER | ||
| SEARCH FOR PERIODIC EMISSIONS AT WOW LOCALE | 1997 | GRAY R. | University of Tasmania | WOW Signal Location | 26 | 2.5 Jy | 1420 | Rms noise of 3Jy | 14 hours | FULL PAPER |
| Up and running at 4 GHz: the SETI-capable Radio Telescope | 1997(A);1999 (B) | BAMBI (BOB AND MIKE’S BIG INVESTMENT), SARA (SOCIETY OF AMATEUR RADIO ASTRONOMERS) MEMBERS | CALIFORNIA (A), COLORADO (B) | NORTHERN SKY SURVEY | 2.6 (A), 3 (B) | 3700-4200 | 0.6 Hz | ~ 20 minutes | FULL PAPER | |
| Project Phoenix Enters Adulthood | 1998-2004 | SETI INSTITUTE PROJECT PHOENIX | ARECIBO OBSERVATORY AND LOVELL TELESCOPE AT JODRELL BANK | 1000 NEARBY STARS (500 OBSERVED TO DATE) | 305, 76 | 1 x 10-26 | 1200 TO 3000 (DUAL POL) | 1 Hz | 1300 HOURS TO DATE | BLURB (P. 13) |
| The Southern SERENDIP Project | 1998-2005 | SETI AUSTRALIA SOUTHERN SERENDIP | PARKES | SOUTHERN SKY SURVEY | 64 | 4 x 10-24 | 1411.59-1429.23 | 0.6 Hz | ~60000 | FULL PAPER |
| SETI@HOME-massively distributed computing for SETI | 1999-ON | WERTHIMER, ANDERSON, (SETI@HOME) | ARECIBO | DATA TAKEN FROM SERENDIP IV-SKY VISIBLE FROM ARECIBO | 305 | 5 x 10-25 | 1419.16-1421.66 | 0.6 Hz | ONGOING | BLURB (P. 14) |
| Up and running at 4 GHz: the SETI-capable Radio Telescope | 1997(A);1999 (B) | BAMBI (BOB AND MIKE’S BIG INVESTMENT), SARA (SOCIETY OF AMATEUR RADIO ASTRONOMERS) MEMBERS | CALIFORNIA (A), COLORADO (B) | NORTHERN SKY SURVEY | 2.6 (A), 3 (B) | 3700-4200 | 0.6 Hz | ~ 20 minutes | FULL PAPER | |
| Commensal Medicina Sky Survey | 2000-2010 | MONTEBUGNOLI (SETItalia) | MEDICINA | NORTHERN SKY | 32 | 1415-1425, 4255-4265 | 0.6 Hz | FULL PAPER | ||
| SETI-Italia 2003 status report and first results of a KL transform algorithm for ETI signal detection | 2006-2010 | MONTEBUGNOLI S., Bortolotti C., Cattani A. | Medicina | Target stars | 32 | 1400-23500 | ~30000 | FULL PAPER | ||
| Astropulse: A Search for Microsecond Transient Radio Signals Using Distributed Computing. I. Methodology | 2006-2010 | Von Korff J., Demorest P., Heien E. | Arecibo | 452 pulsars | 1420 | 21600 | FULL PAPER | |||
| Applications of high-frequency resolution, wide-field VLBI: observations of nearby star-forming galaxies & habitable exoplanetary candidates | 2007 | Rampadarath Hayden | ATNF, Parkes, Long Baseline Array, ATNF Mopra | Gliese 581 | 7 MW/Hz | 1262, 1312, 1362, 1412, 1462, 1512 | 1953 Hz | 8 | FULL PAPER | |
| SETI Observations of Exoplanets with the Allen Telescope Array: First Results | 2007-2010 | Harp G.R., BACKUS P.R., Kilsdonk T.N. | Allen Telescope Array | HabCat stars that could host habitable planets | (42 x 6.1m) | 100 Jy | 1400-1700, 2800-3400 | 0.7 Hz | 95.795 | FULL PAPER |
| New SETI Surveys for Radio Pulses: AstroPulse and BOINC | 2007-2015 | Von Korff J., Siemion A., KORPELA E. | NAIC, Arecibo | Microsecond- millisecond radio pulses. Sensitive sky survey. | 305 | 60 x 10-26 J/m2 | 2.5 | 0.075 Hz | ONGOING | FULL PAPER |
| New SETI Surveys for Radio Pulses: Fly’s Eye | 2008 | Von Korff J., Siemion A., KORPELA E. | Allen Telescope Array | Microsecond-millisecond radio pulses in 100 square degree field | (42 x 6.1m) | 60 x 10-26 J/m2 | 210 | 1600 Hz | 450 | FULL PAPER |
| The Multisite and Multifrequency Simultaneous SETI Observation in Japan | 2009 | Narusawa S., Fujishita M., Inoue Takeshi | Yamaguchi Univ., Wakayama Univ./Misato Obs., Takahasi Obs., Kagami Obs., Matsuo Obs., Nishi-Harima Astro. Obs. Tokai Univ., Agawa Jovian Radio Obs. of Kochi College of Technology | 30 arc-minute field of the Cassiopia constellation | 13 radio telescopes located all over Japan | 3.21 x 10-14 | Yamaguchi and Wakayama- 8300 MHz, Takahashi- 1420 MHz, Kagami- 1420 and 31 MHz, Matsuo- 1420 and 38.2 MHz, Kochi- 30-35 and 38.2 MHz, Nishi-Harima- 38.0 and 22.0 MHz | 0.05 Hz | 5 | WEBSITE, EXTRA |
| SETI OBSERVATIONS OF EXOPLANETS WITH THE ALLEN TELESCOPE ARRAY | 2009-2015 | Harp et. al. | Allen Telescope Array | 9293 stars | (42 x 6.1m) | 1.8-3.1 x 10-26 | 1000-9000 | 0.7 Hz | 19000 | FULL PAPER |
| SERENDIP V.v – Current and Nascent SETI Instruments in the Radio and Optical: SERENDIP V.v, OSPOSH and HRSS | 2009-2015 | Siemion A., WERTHIMER D., Chen H. | NAIC, Arecibo, Leuschner Observatory | Multiple search strategies | 305, 0.762 | 1420 | FULL PAPER | |||
| Project Dorothy | 2010-2013 | Project Dorothy | 29 institutions world wide | 29 nights | FULL PAPER | |||||
| The ATA Galactic Center Survey: Slow Radio Transients | 2010 | Williams Peter K. G., Bower G. C., Allen Telescope Array Team | Allen Telescope Array | Galactic Center | (42 x 6.1 m) | 1430, 2010 | ~300 hours | ABSTRACT | ||
| A Radio SETI Campaign for microsec-sec Periodic Signals | 2010-2011 | Harp et. al. | Allen Telescope Array | 243 sources including quasars, pulsars, supernova remnants, and masers | (25 x 6.1 m) | 6.3-11.2 x 10-22 | 1000-10000 | 7 x 106 Hz | ~ 40.5 hours | FULL PAPER |
| Finding Short-Term Variability in Methanol Masers | 2010-2011 | Bonin Samuel, Barott W. C., Catanach T. | Allen Telescope Array | 53 targets | 6700 | Short (10 min) and long (60 minute) observations | ABSTRACT | |||
| Searching for alien artifacts on the moon | 2011 | Davies P.C.W., Wagner R.V. | Archival from Lunar Reconnaissance Orbiter | lunar surface | FULL PAPER | |||||
| Son ATA: Exoplanet Search | 2011-2015 | SETI Team at the SETI Institute | ATA | exoplanets | (42 x 6.1 m) | 80 Jy | [(1-10) x 109] | 0.7 Hz | 13140 | ABSTRACT |
| A 1.1-1.9 GHz SETI SURVEY OF THE KEPLER FIELD. I. A SEARCH FOR NARROW-BAND EMISSION FROM SELECT TARGETS | 2011 | (1.) Siemion Andrew P. V., Demorest Paul, Korpela Eric | GBT | 86 stars in the Kepler field including stars hosting candidates with 380 K > Teq > 230 K, stars with five or more detected candidates or stars with a super-Earth (Rp < 3 R?) in a >50 day orbit | 100 | 10 Jy | 1100-1900 | 0.75 Hz | 700 | FULL PAPER |
| AN OPPORTUNISTIC SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE (SETI) WITH THE MURCHISON WIDEFIELD ARRAY | 2014 | Tingay et. al. | Murchison Widefield Array | 38 planetary systems towards the Galactic center | 3000 | 4-5 x 10-23 | 103-133 | 10000 Hz | 115 minutes | FULL PAPER |
| PULSATION PERIOD VARIATIONS IN THE RRc LYRAE STAR KIC 5520878 | 2014 | Michael Hippke, John G. Learned, A. Zee | Archival from Kepler data | KIC 5520878 | FULL PAPER | |||||
| SETI Searches for Radio Transients from Kepler Field Planets and Astropulse Candidates | 2014 | Gautam Abhimat Krishna, Siemion Andrew, Korpela Eric J. | Green Bank Telescope, Arecibo ALFA | 86 KOIs in Kepler field | 1100, 1900, 1214-1536 | ABSTRACT | ||||
| A VLA Search for Radio Signals from M31 and M33 | 2014-2015 | Robert H. Gray, Kunal Mooley | Jansky VLA | M31 (Andromeda) | (27 x 25m) | [(1.995-2.93) x 10-25] | 1450, 1640 | 1953 Hz, 122 Hz, 15 Hz | 200 minutes | FULL PAPER |
| RADIO SETI OBSERVATIONS OF THE ANOMALOUS STAR KIC 8462852 | 2015 | Harp et. al. | Allen Telescope Array | KIC 8462852 | (42 x 6.1m) | [(1.8-3) x 10-24];10-20 | 1000-10000 | 1 Hz, 100000 Hz | 95.26 hours | FULL PAPER |
| EXTRAGALACTIC SETI: THE TULLY-FISHER RELATION AS A PROBE OF DYSONIAN ASTROENGINEERING IN DISK GALAXIES | 2015 | Zackrisson et. al. | Archival from SFI++ | 1359 disk galaxies | FULL PAPER | |||||
| A search for Extraterrestrial Intelligence (SETI) toward the Galactic Anticenter with the Murchison WideField Array | 2015 | Tingay S. J, Tremblay C. D., Croft S. | Murchison Widefield Array | 22 exoplanets | 3000 | 0.28 – 0.63 Jy | 99-122 | 10000 Hz | 3 hours | FULL PAPER |
| A deep-learning search for technosignatures from 820 nearby stars | 2015-ONGOING | Ma P. X., et. al | Green Bank Telescope | 820 candidates | 100 m | 1.1-1.9 GHz | 2.79 Hz | 480 hrs | FULL PAPER | |
| A 4–8 GHz Galactic Center Search for Periodic Technosignatures | 2015-ONGOING | Suresh A., et. al. | Green Bank Telescope | Galactic Center | 100 m | EIRPmin = 2×10^18 W and 2.5×10^21 W | 4-8 GHz | 2.86 kHz, 366.21 kHz | 4.5 hrs | FULL PAPER |
| Discovery of Peculiar Periodic Spectral Modulations in a Small Fraction of Solar-type Stars | 2016 | Ermanno F. Borra, Eric Trottier | Archival from Sloan Digital Sky Survey spectra | Solar-type stars | FULL PAPER | |||||
| SETI Observations of Low Mass Stars at the ATA | 2016-ON | Gerald R. Harp/SETI Institue | Allen Telescope Array | 20000 red dwarfs | (20 x 6.1m) | 1.5 x 10-24 | 1000-10000 | 0.7 Hz | 12 Hr/Day every day | POWERPOINT |
| OUR SKY NOW AND THEN: SEARCHES FOR LOST STARS AND IMPOSSIBLE EFFECTS AS PROBES OF ADVANCED EXTRATERRESTRIAL CIVILIZATIONS | 2016-ON | Villarroel et. al. (VASCO) | Archival from USNO-B1.0 | ~2.9 x 105 stars published | ONGOING | FULL PAPER | ||||
| A Search for Technosignatures from 14 Planetary Systems in the Kepler Field with the Green Bank Telescope at 1.15-1.73 GHz | 2016 | Margot, ET AL | Green Bank Telescope | 14 small habitable exoplanets in the Kepler fieldKepler-22, Kepler-62 , Kepler-141 , Kepler-174 , Kepler-186 , Kepler-283 , Kepler-296 , Kepler-399 , Kepler-407 , Kepler-438 , Kepler-439 , Kepler-440 , Kepler-442 , Kepler-452) | 100 m | 1150-1730 MHz | 2.98 Hz | 2 | FULL PAPER | |
| A search for technosignatures from 14 planetary systems in the Kepler field with the Green Bank Telescope at 1.15Ğ1.73 GHz | 2016 | Margot, Jean-Luc, ET AL | Green Bank Telescope | 14 small habitable exoplanets in the Kepler field | 100 m | 10 Jy | 1150-1730 | 2.98 Hz | 2 | https://iopscie… |
| A SERENDIPITOUS MWA SEARCH FOR NARROW-BAND AND BROAD-BAND LOW FREQUENCY RADIO TRANSMISSIONS FROM 1I/2017 U1 `OUMUAMUA | 2017 | Tingay S. J, Kaplan D. L. , Lenc E. | Murchison Widefield Array | ‘Oumuamua | 3000 | 50Jy | 72-102 | 10000 Hz | 86 seconds (Looking over already recorded data) | FULL PAPER |
| Are We Alone? GAVRT Search for Extra Terrestrial Intelligence (SETI) Project | 2017 | Bensel Holly , Cool Ian , St. Mary’s High School Astronomy Club | GOLDSTONE, CA | Various previously observed objects | 34 | ABSTRACT | ||||
| Wow! reobservations at the ATA 2017-18 | 2017 | GRAY R. | ATA | FULL PAPER | ||||||
| Searching for Broadband Pulsed Beacons from 1883 Stars Using Neural Networks | 2017-2018 | Gajjar V., et. al. | Green Bank Telescope | 1883 stars | 100 m | 10 Jy | 4-8 GHz | 4.875 Hz | 233 hrs | FULL PAPER |
| Novel Optical SETI Observations of Three Exoplanets | 2018-ON | Welsh Barry , Vallerga John , Kotze Marissa | Southern African Large Telescope | Trappist-1, GJ 422 and Wolf 1061 | 10 | ABSTRACT | ||||
| A Green Bank Telescope Search for Narrowband Technosignatures between 1.1 and 1.9 GHz During 12 Kepler Planetary Transits | 2018 | Sheikh, S. et al | Green Bank Telescope | 12 Kepler planetary systems in transit | 100 m | 1.15 Jy | 1.1-1.9 GHz | ~3 Hz | 6 hrs | FULL PAPER |
| Breakthrough Listen Follow-up of the Random Transiter (EPIC 249706694/HD139139) with the Green Bank Telescope | 2019 | Brzycki, B. et al | Green Bank | EPIC 249706694 | 100 m | EIRP 1.0×10^13 W | 3564 – 8439 MHz | 2.79 Hz | 15 minutes | FULL PAPER |
| A search for technosignatures from TRAPPIST-1, LHS 1140, and 10 planetary systems in the Kepler field with the Green Bank Telescope at 1.15–1.73 GHz | 2019 | Pinchuk, P. et al. | Green Bank | Planetary systems in the Kepler field and scans ofthe recently discovered TRAPPIST-1 and LHS 1140 systems | 100 m | Fmin = 9.4 Jy | 1.15–1.73 GHz | 2.98 Hz | 2 hrs | FULL PAPER |
| An interferometric SETI observation of Kepler-111 b | 2019-2022 | Wandia K., et. al | European VLBI Network | Kepler-111 b | 21 cm | ~14.4 Jy | 1416.4-1424.4 MHz | 488 Hz | 12hrs 50 mins | FULL PAPER |
| The Breakthrough Listen Search for Intelligent Life: A 3.95–8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone | 2020 | Sheikh, S. et al | Green Bank | 20 stars within the restricted Earth Transit Zone | 100 m | Fmin = 7.14 × 10^−26 Wm^−2 | 3.95 – 8.0 GHz | 2.7 Hz | 4.8 hrs | FULL PAPER |
| The Breakthrough Listen Search for Intelligent Life: Observations of 1327 Nearby Stars over 1.10–3.45 GHz | 2020 | Price, D. et al. | Green Bank and Parkes | 1327 nearby stars | 100 m, 64 m | 2.1×10^12 W, and 9.1×10^12 | 1.10 – 3.45 GHz | 2.9 Hz | 1527.5 hrs | FULL PAPER |
| A Search for Technosignatures Around 31 Sun-like Stars with the Green Bank Telescope at 1.15 – 1.73 GHz | 2020 | Margot, J. et al | Green Bank | 31 sun-like stars near the plane of the Galaxy | 100 m | EIRP 2.2 x 10^13 W | 1.15 – 1.73 GHz | 3 Hz | 4 hrs | FULL PAPER |
| A SETI Survey of the Vela Region using the Murchison Widefield Array: Orders of Magnitude Expansion in Search Space | 2020 | Tremblay, C.D. , Tingay | Murchison | Vela Supernova Remnant | 5.5 km | EIRP 1×10^13 – 4×10^13 W | 98-128 MHz | 10 kHz | 30 hrs | FULL PAPER |
| Breakthrough Listen Search for Technosignatures toward the Kepler-160 System | 2020 | Perez K., et. al. | Green Bank Telescope | Kepler-160 | 100 m | EIRPl = 2.1×10^13 W, EIRPs = 1.9×10^13 W, EIRPc = 7.3×10^12 W | 1-8 GHz | 2.79 Hz, 366.21 kHz, and 2.86 kHz | 1.33 hr | FULL PAPER |
| The Breakthrough Listen Search for Intelligent Life: Searching for Technosignatures in Observations of TESS Targets of Interest | 2021 | Traas, ET AL. | Green Bank | 28 targets identified by TESS as potential exoplanet hosts | 100 m | EIRP ≥ 4.9 ⋅ 10^14 W | 1 – 11 GHz | 2.7 Hz | 56.5 hrs | FULL PAPER |
| A Search for Radio Technosignatures at the Solar Gravitational Lens Targeting Alpha Centauri | 2021 | Tusay N., et. al | Green Bank Telescope | Alpha Centauri AB system | 100 m | L band = 10 Jy, S band = 12 Jy | L band = 1.07-1.25 GHz and 1.35-1.87GHz, S band = 1.80-2.30 GHz and 2.36-2.80 GHz | 2.79 Hz | 5 mins/scan within 24 hrs | FULL PAPER |
| Multibeam Blind Search of Targeted SETI Observations toward 33 Exoplanet Systems with FAST | 2021 | Luan X.-H. | FAST | 33 exoplanet systems | 500m | 1.48×10^9 W | 1.05-1.45 GHz | ~7.5 Hz | ~11 hrs | FULL PAPER |
| Sensitive Multibeam Targeted SETI Observations toward 33 Exoplanet Systems with FAST | 2021-2022 | Tao Z.-Z. | FAST | 33 exoplanet systems | 500m | 1.48×10^9 W | 1.05-1.45 GHz | ~7.5 Hz | ~13 hrs | FULL PAPER |