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... for Volume 61 61 '''Page ''' - 440-443 '''Year''' - 2008 '''Keywords''' - SETI, search for extraterrestrial intelligence, beacons, optical SETI, Fermi paradox. '''JBIS Reference Code ''' - 2008.61.440 '''Number of Pages''' - 4 Abstract ... is at least one plausible signalling type detectable to pre-radio civilisations: naked-eye `sunlight beacons'. A motive for attempting such communication could be the remote detection of the injection of ...

Image:BeaconExplorerA.jpg 200px Explorer Beacon A satellite Category:Spacecraft

... —getting back to Mercury now—at the time, McDonnell Douglas had put in a beacon called the SARAH beacon. SARAH stands, if I can get it right—Search and Rescue and Homing ... has got contracts with all of the U.S. military for all of their beacons. Still has. ACR beacons are carried on every military aircraft. He also has most of the survival ... it becoming the wreckage ball that we talked about on Mercury, and all the beacons, runs, location beacons. We basically did all that stuff again, because we were supporting the Gemini missions ...

... personnel and equipment include, but are not limited to, EVA personnel, robots, rovers, surveyed navigational beacons or landmarks, fixed equipment, specimen locations, and local transports. This capability enables situational awareness for ... need to develop inertial navigation sensors not dependent upon earth-based equipment and personnel. Satellites, beacons, and optical sensors are good technical candidates. Finally, a more efficient navigation system architecture needs ...

... Center announced that tests of flashing beacon were being conducted with a T-33 aircraft for evaluation of similar beacons for use in Gemini rendezvous operations. Beacon is a white sphere, weighs 10 ...

... to encourage development and use of "crash locator beacons" was announced by FAA, which was inquiring whether industry can produce crash locator beacons at reasonably low prices and whether individual aircraft owners ... Service George S. Moore said tests con­ducted by FAA "clearly indicated that such a beacon can successfully radiate energy to permit suitably equipped search aircraft to identify and `home-in ...

... NASA-DOD- Dept. of Commerce Geodetic Satellite Policy Board and involved three types of satellites: Beacon Explorer , equipped with reflectors to reflect laser beams from earth and with Doppler transmitter to ... 's gravitational field; Geodetic Explorer ''(instrumented to conduct more experiments than the Beacon Explorer)'', containing flashing lights, variety of electronic beacons, optical reflectors, and when possible radar reflectors; and passive geodetic satellite ...

... to assure greater accuracy and reliability, Critical to optimum use of the radio and optical beacons on EXPLORER XXIX was the gravity-gradient attitude stabilization system to keep the satellite antennas, laser reflectors, and optical beacons pointing earthward at all times. In two to three days the attitude control would be ...

... ; GODDARD SPACE FLIGHT CENTER GSFC 's network operations group had picked up signals from its beacon June 27 as interference with data transmission by another satellite. Pegasus 1 had been launched ... from Australia's Orroral station to turn off the satellite's AM beacon, only to find that the FM beacon was also working. The transmitters, operating when the vehicle was in full ...

... from Bar Harbor, Maine, on or about Sept. 19 would carry a lightweight satellite-tracking beacon like the one that helped save Maxie Anderson and Ben Abruzzo when their balloon ditched ... control aid and in case of a need for search and rescue. This type of beacon had previously gone around the world on a polar flight, and another rode a 33ft ... ., both successfully tracked by a Nimbus satellite. The balloonists would cover the cost of the beacon; NASA would take no part except for use of the satellite link and ground systems ...

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