MUFON 35884

Malkan, and John M. Dickey. ** A Passive SETI in Globular Clusters at the Hydroxyl and Water Lines." ICARUS 41 (1980):198-204. 15369. Collins. Steve. "Search for Extraterrestrial Life." PATE 29 (January ... Dennis M. Cole. A Modest Al1-Sky Search for Narrowband Radio Radiation near the 21-ca Hydrogen Line." ICARUS 30 (1977):267-73. 15376. "Down to Earth." DOUBT, no.58 (1958):23-26. 15377. Drake, Frank

band is of interest because inter- stellar transmissions may take place around the hydrogen line, while the 1.427 to 1.727-GHz band is located between the hy- drogen and hydroxyl lines and lies near

band is of interest because inter- stellar transmissions may take place around the hydrogen line, while the 1.427 to 1.727-GHz band is located between the hy- drogen and hydroxyl lines and lies near

that you advanced; in one* of the slides you were showing, about the H and the OH lines, You also mentioned that you thought that SETI should be initiated at this time. * A GO Could ... examine other frequencies than these naturally defined ones that we have talked about-the "waterhole, hydrogen line and so on.' We should with all haste examine these bands because in a few years they will

band is of interest because inter- stellar transmissions may take place around the hydrogen line, while the 1.427 to 1.727-GHz band is located between the hy- drogen and hydroxyl lines and lies near

firely based on developments here on Barth. Our capabilities for cormonest frequencies in the universe... Hydrogen line. Hydrogen 1s Sending ignals out into space appeared side-by-side our far less worth abundant everywhere

procaoly peicw IGH: Secause they JOu. d know that low spectrum of an atomic or hydrogen bomb explosion! frequenc.es woula. be ssorced 55 our atmosphere. Having If really high energies were first transmitted around recieveo ... However, there are aiso rrequencies which reasonaoie area around one-eighth lower than the hydrogen livision line falls slap in the middle of the 23cm band amatuer aust be the same anywnere. A typical example ... come to the big crunch. Radio astronomers owest resonance of the hyarogen atom-known as the hydrogen do not use this band very much and amatuers have to share ina-at 2cm. This ... powerful RADAR stations aries sligntly depending pn doppler. shift-the line frequency such as the recently established chain putting out around ot hydrogen line radiation coming towards us will sligntly 1000 Mega Watts at London

alien signais ;Sing radio telescopes tuned to the frequency,or rather the wavelength, ot the Hydrogen line Hydrogen is one of the most common elements in the universe;. The scientist then discovered radio signais

frequencies and it was very close to the beast by the side of the road. "hydrogen line," a natural signpost in the spectrum Maurice 59, was on his way to Barton Wood Quarry

tory) in West Virginia and was headed certainly did exactly the same in 1924. ered that atomic hydrogen along the by Professor Frank Drake. Serious interest in the possibility of Milky Way emitted a radio ... astronomers searching for with others would automatically select ised that microwave frequencies be- the 1.42 GHz hydrogen line frequency tween 1 GHz-10 GHz could also E.T turned their attention to more dis- tant locations

Robofly It was actually suggested more than 30 years ago that observing specific absorption lines in the spectra of distant By Louise Knapp quasars could test the predicted increase of temperature with distance (redshift ... rise to particular absorption lines in the spectrum of a celestial Researchers at the University of California, Berkeley, are object. aiming to create biologically inspired "roboflies" tiny, Some faint absorption lines of neutral carbon atoms ... sufficient quality could release thousands of these things and if some of them of these faint absorption lines in faint and remote objects in were fost or destroyed it really wouldn't make a difference ... physical processes may also affect Space exploration isn't the only application the roboflies the observed absorption lines, such as collisions between the are slated to perform. They're also expected to be deployed ... cloud - the presence of molecular A superfly indeed. The only question that remains is: Can it hydrogen lines was crucial for this to succeed. It clearly actually be built? showed that the excitation process

days. "I'm positive that I was clean shaven very close to the "hydrogen line", a natural signpost in when we set out on the trip. My own beard didn't the spectrum. grow," [explained

antennas in public parks, interstellar neutral hydrogen atoms. An error of 1 ppm at the farm fields, and mountain tops and attempt to contact others so- hydrogen line translates to 142 Hz of frequency uncertainty

there. Since then, scientists have covered thousands more stars, but that the vicinity of the "hydrogen line" Proxmire, D-Wis., awarded the proposed the "hydroxyl line" . the radio Oliver, director of NASA's Search

accurate clock in your line of sight; such as a hydrogen frequency standard broadcasting time signal around 60 kHz. =) Apparently all the hooplah about Perleman sums up to complete understanding of 3- space, so there ... Reply Report comment bthy says: June 5, 2015 at 5:39 pm isn't the hydrogen line somewhere around 1420 MHz? Reply Report comment ganzuul says: June 5, 2015 at 11:53 pm Radio clocks

radio telescopes. Others think that the natural calibration frequency of the universe, the '21-om hydrogen line which radiates at 1.420 GHz, should be-" looked at more intensely. Still other investigators have suggested different tendons

complox dimensions in their communications simply because we couldn't understand them. Again, the 21-cm hydrogen line appears: to be a logical choice for data transport be- cause of its universality. BErtee Subscribing