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  • Re: Local GPS

    Terry is correct. This was the question I was asking,
    although it was stated much clearer in his message.
    Theoretically this type of system should work.

    Reuben Sandler

    --- Terry O'Bannon wrote:
    > Hello all,
    >
    > I think there is some confusion here. I think
    > Reuben Sandler was asking
    > the same question I am interested in - using a GPS
    > -"type" system, not the
    > actual satellite-based GPS system. By "type" I
    > mean some type of system
    > where the transponders are not in geosynchronous
    > LEO, but rather on stands
    > in the laboratory and the receivers on the target
    > limbs, or vice-versa. I
    > would assume that the frequency of the carrier wave
    > would need to be
    > distinct from the ubiquitous satellite GPS
    > frequency. Such a system would
    > not be subject to interference/ blockage from
    > magnetically active materials
    > (as with Flock of Birds), or be visually obscured,
    > and not pose radiation
    > risks, provided of course that the appropriate
    > wavelength could be found.
    > Hopefully someone knows the wavelength of actual GPS
    > systems and its' and
    > nearby wavelength's attenuation through various
    > materials, biological and
    > otherwise. Perhaps Mr. Sandler could confirm that
    > this was the intent of
    > his inquiry.



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