RFI
[Top] [All Lists]

[RFI] WallyHome?

To: RFI Mailing List <rfi@contesting.com>
Subject: [RFI] WallyHome?
From: Gary K9GS <garyk9gs@wi.rr.com>
Reply-to: garyk9gs@wi.rr.com
Date: Mon, 01 Sep 2014 16:51:11 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Came across this today. Nice idea but it uses home wiring as a giant antenna to sense extremely low power sensors. Uses 27 MHz transmitters indirectly coupled into power lines. It looks like a disaster for anyone using 10 or 12 meters.

http://www.wallyhome.com/


Here is a white paper with technical details on the SNUPI system (Sensor Nodes Using Power-line Infrastructure) :

http://www.gabeacohn.com/pdf/Cohn_SNUPI_ubicomp10.pdf




--
73,

Gary K9GS

Greater Milwaukee DX Association: http://www.gmdxa.org
Society of Midwest Contesters: http://www.w9smc.com
CW Ops #1032   http://www.cwops.org

************************************************

---
This email is free from viruses and malware because avast! Antivirus protection 
is active.
http://www.avast.com

_______________________________________________
RFI mailing list
RFI@contesting.com
http://lists.contesting.com/mailman/listinfo/rfi

<Prev in Thread] Current Thread [Next in Thread>