The latest incarnation of the SERENDIP project is SERENDIP V. v, a commensal all-sky survey using the Arecibo radio telescope began in June 2009.

** The asteroid 4769 Castalia is the first asteroid directly imaged by radar from Arecibo.

The world's largest filled-aperture telescope ( i. e., a full dish ) is the Arecibo radio telescope located in Arecibo, Puerto Rico, whose dish is fixed in the ground.

He is most notable as one of the pioneers in the search for extraterrestrial intelligence, including the founding of SETI, mounting the first observational attempts at detecting extraterrestrial communications in 1960 in Project Ozma, developing the Drake equation, and as the creator of the Arecibo Message, a digital encoding of an astronomical and biological description of the Earth and its lifeforms for transmission into the cosmos.

Ponce is a large municipality, with only Arecibo larger in land area in Puerto Rico.

The Arecibo Observatory is a radio telescope in the mailing area of the city of Arecibo, Puerto Rico.

For the Arecibo antenna at 2. 4 GHz the beamwidth is 0. 028 °.

Arecibo () is a municipality in the northern midwest coast of Puerto Rico and located by the Atlantic Ocean, north of Utuado and Ciales ; east of Hatillo ; and west of Barceloneta, and Florida.

Arecibo is spread over 18 wards and Arecibo Pueblo ( the downtown area and the administrative center of the city ).

Arecibo is located on the north coast of the island of Puerto Rico, about 50 miles ( 80 km ) west of San Juan, or approximately a 1-hour trip by car.

Arecibo is known as El Diamante Del Norte ( The Diamond of the North ) as well as La Ribera del Arecibo ( The shore of Arecibo ).

Arecibo is also known as La Villa del Capitán Correa ( Captain Correa's Villa ) after the Puerto Rican hero Captain Antonio de los Reyes Correa, who as a member of the Spanish Army defended Arecibo from a British invasion led by rear-admiral William Whetstone on August 5, 1702.

The nearby Arecibo Observatory is known for housing the world's largest radio telescope.

Arecibo is also the head of the Roman Catholic Diocese of Arecibo.

Arecibo is located in the Northern Coastal Plain region of Puerto Rico, extending further inland into the Karst region.

The Rio Grande de Arecibo is the main river in the municipality, running through the middle of it.

As of 2010, after 10 years of data collection, SETI @ home has listened to that one frequency at every point of over 67 percent of the sky observable from Arecibo with a least 3 scans ( out of the goal of 9 scans ), which covers about 20 percent of the full celestial sphere.

Arecibo is home to several public and private schools distributed through several regions.

SETI @ home searches for possible evidence of radio transmissions from extraterrestrial intelligence using observational data from the Arecibo radio telescope.

* The SETI @ home project uses a sneakernet to overcome bandwidth limitations: data recorded by the radio telescope in Arecibo, Puerto Rico is stored on magnetic tapes which are then shipped to Berkeley, California for processing.

The Rio Abajo State Forest ( Bosque Estatal Rio Abajo ) is a forest reserve shared with Arecibo and home to 223 plants and wildlife species including: native Ceiba ( Ceiba pentandra ), Asian teaks ( Tectona spp.

Although having home-court advantage in the Finals, Bayamon fell to the Capitanes de Arecibo in seven games, losing the seventh game on their home floor.

In Arecibo she was raised and home schooled by her parents, who were both very liberal in regard to their philosophical and political ideologies.

On November 26, 2009, CUDA-optimized application for Arecibo Binary Pulsar Search was announced, on official Einstein @ home webpages.

The Joint Space Operations Center, part of United States Strategic Command ( formerly the United States Space Command ), currently tracks more than 8, 500 objects larger than 10 cm in LEO, however a limited Arecibo Observatory study suggested there could be approximately one million objects larger than 2 millimeters, which are too small to be visible from Earth.

Such signals could be either " accidental " by-products of a civilization, or deliberate attempts to communicate, such as the Communication with Extraterrestrial Intelligence's Arecibo message.

Gregorian optics are also used in radio telescopes such as Arecibo, which features a " Gregorian dome ".

The Puerto Rico Coliseum is only used in playoffs and regular season games against teams that attract a large crowd such as the Arecibo Captains, Ponce Lions and Bayamon Cowboys.

High gain antennas are typically the largest component of deep space probes, and the highest gain radio antennas are physically enormous structures, such as the Arecibo Observatory.

This catholic school offered all lower level education grades ( Pre K-12 ) and, during its former glory, attracted students hailing from adjacent municipalities such as Jayuya, Adjuntas and Arecibo.

CETI research has focused on four broad areas: mathematical languages, pictorial systems such as the Arecibo message, algorithmic communication systems ( ACETI ) and computational approaches to detecting and deciphering " natural " language communication.

During the invasion of Puerto Rico, Henry led a " Provisional Division " from the city of Ponce to Arecibo, Puerto Rico to rendezvous with General Theodore Schwan, who was arriving from the city of Mayagüez.

The major data sources are the worldwide network of ionosondes, the powerful incoherent scatter radars ( Jicamarca, Arecibo, Millstone Hill, Malvern, St. Santin ), the ISIS and Alouette topside sounders, and in situ instruments on several satellites and rockets.

* 1963 – The Arecibo Observatory in Arecibo, Puerto Rico, with the largest radio telescope ever constructed, officially opens.

Muñoz Marín and his followers, among which were included Felisa Rincon de Gautier and Ernesto Ramos Antonini, held an assembly in the town of Arecibo founded the Partido Liberal, Neto, Auténtico y Completo (" Clear, Authentic and Complete Liberal Party "), claiming to be the true Liberal Party.

PR-2-Main freeway / highway / urban primary highway between / through Ponce, Mayagüez, Aguadilla, and Arecibo.

Alfredo F. Mendez, the former Bishop of Arecibo, Puerto Rico.

View of Arecibo Observatory in Puerto Rico with its 300 m dish-the world's largest.

MOP was to be performed by radio antennas associated with the NASA Deep Space Network, as well as the radio telescope of the National Radio Astronomy Observatory at Green Bank, West Virginia and the radio telescope at the Arecibo Observatory in Puerto Rico.

From 1995 through March 2004, Phoenix conducted observations at the 64-meter Parkes radio telescope in Australia, the radio telescope of the National Radio Astronomy Observatory in Green Bank, West Virginia, and the radio telescope at the Arecibo Observatory in Puerto Rico.

* November 1 – Arecibo Observatory officially begins operation.

* November 16 – The Arecibo radio telescope sends an interstellar radio message towards the M13 Great Globular Cluster.

On 1989-Aug-25 Castalia passed ( within eleven lunar distances ) of Earth, allowing it to be observed with radar from the Arecibo Observatory by Scott Hudson ( Washington State University ) and Steven J. Ostro ( JPL ).