Group: sci.physics.electromag
From: "zzbunker@netscape.net"
Date: Sunday, October 07, 2007 5:30 AM
Subject: Re: Receiving 2 GHz AM signals in space. What do they sound like?

On Oct 6, 2:01 am, "Green Xenon [Radium]"
wrote:
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>
> Hi:
>
> Let's say I am in a space station which has a 2 GHz DX AM analog
> receiver that receives the magnetic fields [while ignoring the electric
> fields] of extremely weak 2 GHz AM analog carrier signals. In addition,
> this receiver is so sensitive and powerful that it can clearly pick up
> AM carrier waves as weak as 10-to-the-power-NEGATIVE-10,000
> watt-per-meter-squared. This receiver also has a robust signal processor
> that can eliminate clipped-waveforms [such as square waves], spikes,
> clicks, pops, hiss, and random noise even at those trivial wattage
> levels. After eliminating those unwanted signals, the carrier wave is
> amplified. This receiver has an astronomically-powerful amplifier which
> amplifies those extremely-soft carrier waves until the resulting
> modulation signals will be just loud enough for the human ear to
> coherently detect. Following this amplification, the carrier waves are
> demodulated to modulation waves -- the stuff we "hear" -- and then sent
> to loudspeaker so those onboard can hear those sounds.
>
> Equally important, the 2-GHz receiver is pointed away from the earth to
> assist in preventing the pickup of signals generated from Earth.
>
> If I am on this spaceship, what will I most likely hear on the radio?

The sound of absolute zero, which sounds a lot like the sound
of absolute infinity, except that morons at Viacom pick
up the tab, rather than morons at AT&T.






>
> Thanks,
>
> Radium