[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
POTUS jammin'
- To: coderman <[email protected]>
- Subject: POTUS jammin'
- From: [email protected] (Eric Mill)
- Date: Sun, 2 Nov 2014 21:04:16 -0500
- Cc: cpunks <[email protected]>
- In-reply-to: <CAJVRA1T3kTZNm20K5FVuRjcYSPq7Wj=YpzoOvc2PHpJ6D8PXcg@mail.gmail.com>
- References: <CAJVRA1T3kTZNm20K5FVuRjcYSPq7Wj=YpzoOvc2PHpJ6D8PXcg@mail.gmail.com>
Also:
> My back of the envelope energy calculation is that you don't want to be
the motorcycle cop riding right in front of that jammer SUV
> [in response to Q] Very brief exposure, probably not much, but definitely
exceeds OSHA & FCC exposure limits.
https://twitter.com/mattblaze/status/529070276412063745
On Sun, Nov 2, 2014 at 7:37 PM, coderman <[email protected]> wrote:
> https://twitter.com/mattblaze/status/529055344191111169
>
> Fired up a spectrum analyzer as POTUS motorcade went by. Definitely
> wideband jamming from lead WHCA vehicle. (& it unpaired my BT headset)
>
> I had been skeptical of reports that they routinely use jammers, but
> there was strong wideband noise from abt 700mhz to beyond 2.5 GHz.
>
> VHF was quite clean, which is where most sec svc traffic is.
>
> ... it seemed to be about half a block.
>
> ---
>
> ultra-wide-band SDR to the rescue? (60Ghz MIMO or bust!)
>
--
konklone.com | @konklone <https://twitter.com/konklone>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://cpunks.org/pipermail/cypherpunks/attachments/20141102/575bd308/attachment.html>