Download - American Radio Relay League
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April 22, 2023
American Radio Relay League
The National Association for Amateur Radio
When All Else Fails . . . Amateur Radio
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
Broadband Over Power Line (BPL) and Radio Services
Ed Bruette, N7NVPARRL Section Manager - Western WA
WA State RACES Officer
P.O. Box 73Silverdale, WA 98383-0073
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
BPL
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
PLC?
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
FCC Notice of Inquiry
• On April 28, 2003, the FCC released an NOI requesting comments and reply comments on primarily technical issues regarding BPL. The FCC sought information and data on the relevant technology.
• In addition, the FCC sought comment on whether it should change the part 15 rules, 47 CFR § 15, to allow for the legal and feasible deployment of BPL.
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
American Public Power Assoc.
• 'Given the tremendous potential of BPL to provide an advanced technology that utilizes additional facilities based mechanisms for providing services the burden should be imposed on challengers to BPL to demonstrate interference in a fact based, empirical proof.
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
APPA (cont.)
• Further, to the extent that interference is demonstrated, there should be an attempt to accommodate BPL, even if it means that existing communications providers may have to share or transfer bandwidth.'
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
BPL Is Regulated by FCC Part 15
• Carrier-current must meet limits for intentional emitters
• Non-interference stipulated in part 15• Manufacturer responsible for FCC authorization
and maximum limits• Operator responsible for harmful interference• Both are important to mitigate possible harmful
interference
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
Harmful Interference• Defined as the repeated disruption of
radio communications or any disruption of certain emergency communications services
• From broadband device (BPL) will interfere with entire band(s)!
• Will occur for entire length of line in areas where access BPL is deployed!
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
Potential Spectrum Loss
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
BPL Could Interfere With:• Emergency
management • National Guard• US Coast Guard• U.S. Military• Fire Departments• Law Enforcement
• CAP• FAA • FEMA• NASA• Voice of America• TV stations• Low Power FM
Broadcast Stations
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
BPL Could Also Interfere With:
• Radio astronomy• Amateur Radio services• Disaster communication networks• Land, fixed, mobile services• Military Affiliate Radio Systems (Army,
Navy, Marine Corps, Air Force)• Citizens band
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
Worldwide Problem
• BPL was extensively studied in Japan and rejected
• Trials continue in Europe • Multiple interference complaints have been
documented
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
Organizations Voicing Concern About BPL Interference
• FEMA• NTIA• National short-wave listener associations• Short-wave broadcasters• Electronic-equipment manufacturers• GE Medical• Aeronautical
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
The Consumer
• Consumers probably will not be aware of the documented interference potential
• Early subscribers may be subjected to needless system problems due to the deployment of technology that has yet to be properly tested
• Hams at risk
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April 22, 2023
NTIA Comment
“Notwithstanding BPL’S Potential Benefits, The Commission Must Ensure That Other Communications Services, Especially Federal Government Operations, Are Adequately Protected From Unacceptable Interference.”
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
NTIA’s Latest Filings
• Rejects the idea of BPL ID• Excludes some freqs for aeronautics• Coastal station exclusion zones• Coordination areas around National Radio
Quiet Zones• No other protections are mentioned!
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
What’s Happening in WA
• Olympia• Chelan/Douglas• Spokane
• Walla Walla – Columbia Energy• New Satty – 32 spot beams
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
Canadian Magazine TCA
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
Video
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
FCC Action
• 6100+ Comments
• 14 Oct. – Report and Order from OET
• About 2 weeks later the R&O is expected on the street
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
How YOU Can Help
• Join the ARRL if you are not currently a member
• Contribute to the Spectrum Defense Fund
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April 22, 2023 Ed Bruette, N7NVPWWA Section Manager, ARRL
More Information
Ed Hare, W1RFIARRL Laboratory Manager225 Main StNewington, CT [email protected]
• http://www.arrl.org/tis/info/HTML/plc• http://www.arrl.org/~ehare/bpl/hyperlinks.html• http://www.arrl.org/tis/info/part15.html