active beam steering to camouflage transmission [was: How safe is smartphones today?]

coderman coderman at
Sun Apr 6 20:58:26 PDT 2014

On Sun, Apr 6, 2014 at 12:14 PM, grarpamp <grarpamp at> wrote:
> Agreed near-unlimited-width SDR has fun potential, and for cpunks
> some equally hard to identify/jam/locate encrypted comms that don't
> interfere with traditional narrow comms.

past experiments with direction finding gear has shown it very
dependent on key assumptions.

use of beam steering to thwart direction finding and triangulation a
world of fun.

relevant references solicited!

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