Motorola White Paper Epitomizes BPL-Amateur Radio Rapprochement:

A new Motorola white paper, "Practical, Proven Broadband over Power Line," describes how its Powerline LV BPL system "passes muster with Amateur Radio operators." Motorola and ARRL have cooperated in tests of the system, which the League has cited in FCC filings as one that minimizes radio frequency interference--both from and to the system--by design. "Motorola's white paper bears out that the ARRL is not opposed to the deployment of well-engineered BPL systems designed with interference avoidance in mind," ARRL CEO David Sumner, K1ZZ, commented. "We are opposed to BPL interference." Sumner said the League remains opposed to deployment of BPL technology having "an inherently high probability of causing harmful interference to radio communication." The Motorola white paper includes a summary of the company's experiences after installing a Powerline LV system at ARRL Headquarters and W1AW, as reported in November 2005 QST http://www.arrl.org/tis/info/pdf/0511085.pdf. The Powerline LV system avoids putting digital signals on medium-voltage power lines and incorporates enhanced ham band notching.

Source:

The ARRL Letter Vol. 25, No. 10 March 10, 2006

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