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1. [RFI] Fwd: Alarm Systems and EMI/EMC (score: 1): Author: Dennis Vernacchia <n6ki73@gmail.com>; Date: Sat, 9 May 2009 23:44:51 -0700; Sensors typically operate on 315, 319.5, 345, 418 and 433.92 MHz. Each hour they send a supervisory transmission to say they are in service. Only the 433.92 frequency falls in the Amateur Radio band.; /archives//html/RFI/2009-05/msg00016.html (9,395 bytes)
2. Re: [RFI] Fwd: Alarm Systems and EMI/EMC (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Sun, 10 May 2009 14:25:07 -0400; So a simple carrier at the wrong time could/would put the enter system out of commission for up to an hour? My take on a lot of these systems is they could easily be overloaded/blocked with medium to; /archives//html/RFI/2009-05/msg00025.html (8,894 bytes)

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