Chris Eddy wrote:
>
> I picked up some asprin at the store today, and lo and behold, it had a
> security sticker on it.  I thought of that old thread on these types of
> devices, and took a closer look.  The device is a spiral foil antenna,
> stuck face down on the box.  The outside dimension of the square is
> 37mm, the inside dim is 13mm, and the turns are 11.  Now, are there any
> ambitious individuals out there that can model the RF loop in software,
> and figure out what the frequency response of the loop is?  Just a
> thought.

Without the capacitance no
but anyone with a GDO(grid dip osc) that covers that frequency
should be able to tell you, if it hasn't been disabled

peter@cousens.her.forthnet.gr