On Fri, 05 Oct 2007 23:01:24 -0700, 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?
Mother telling you to quit playing in the cardboard box and come to
dinner.