BTW search for GPS bluetooth devices.
There are some extremly low cost bluetooth GPS with built-in logger ,
very small, easy to conceal, GUI integration with Google Earth and
other mapping software , all off the shelf under 50$ , the spook only
has to wireless connect time to time , to download stored tracks.
Sample:
http://www.pocketgpsworld.com/wintec-data-logger.php
>
>
> The GPS receivers use an intermediate frequency at 4.092 MHz. This, and
> its harmonics, are likely to be found in the GPS receiver's parasitic
> emissions.
>
> 16.368, and/or 16.3676 or 16.367667 are crystal oscillators frequently
> found in GPS receiver units.
>
> The modulation frequency for the carrier wave is 1.023 MHz.
>
> A narrow-band high sensitivity receiver may be a help here. There are some
> frequencies inherent for the system, and unless the receiver is
> specifically designed for low emissions at these, it is likely to radiate
> predictably.
>
> Is this helpful?
>
>
>
> On Sun, 10 Jun 2007, Paolo Sfriso wrote:
>
> >
> > Dear Collegues.
> >
> > Would you know if there are any dedicated GPS receiver detectors (secondary radiation detector ?) that could be used for sweeping an automobile (where the use of a NLJD would be unrealistic due to the presence of a large number of legitimate electronic circuits) and stripping the vehicle to the bone is not an option ?
> >
> > Of course, the instrument would have to be tested and trustworthy, not some spystore gizmo...
> >
> > Kind Regards.
> >
> > Paolo Sfriso CFE
> > Director
> > GRUPPO S.I.T.
> > Security, Investigations & Technology
> > Quarto d'Altino, Venice
> > ITALY
> >
> > Phone +39 0422 828517
> > Fax +39 0422 823224
> > 24hr GSM Cell +39 335 5257308
> > www.grupposit.com
> > pauls..._at_tin.it
> > in..._at_grupposit.com
> >
> >
> > >
> >
>
>
--
J. Molay <mo..._at_gmx.co.uk>
Received on Sat Mar 02 2024 - 00:57:22 CST