bsa@ncoast.UUCP (Brandon Allbery) (06/19/85)
Expires: Quoted from <1471@watdcsu.UUCP> ["Re: Hailing Frequencies"], by herbie@watdcsu.UUCP (Herb Chong [DCS])... +--------------- | In article <1562@orca.UUCP> andrew@orca.UUCP (Andrew Klossner) writes: | >> I read somewhere that there are several "natural" frequencies. | >> One is the vibration frequency of the Hydrogen atom. | > | >They're called natural frequencies because nature emits a good deal of | >noise on these wavelengths. Therefore these are exactly the | >frequencies that you *don't* want to use for communications. | > | > -=- Andrew Klossner (decvax!tektronix!orca!andrew) [UUCP] | | there is at least one of the hydrogen vibrational frequencies that is | relativey quite. i think it's the 21 cm band. anyway, project SETI | | Herb Chong... There are emissive frequencies and absorptive frequencies. Hydrogen keeps noise off the 21cm band, it being absorptive at that frequency. --bsa -- Brandon Allbery, Unix Consultant -- 6504 Chestnut Road, Independence, OH 44131 decvax!cwruecmp!ncoast!bsa; ncoast!bsa@case.csnet; +1 216 524 1416; 74106,1032 ========================> Trekkies have Warped minds. <=======================