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Power-Line Noise I. Introduction II. Why Care? III. What Is Required Under FCC Rules IV. Is It Really Power-Line Noise Or Something Else? V. How to Locate Power-Line Noise VI. How to Fix VII. Process Dealing With Customer VIII. The FCC X. Some Final Comments ARRL Products: Low Power/QRP (More) International QRP Collection -- Now Shipping! -- A compedium of QRP articles from around the world! More QRP Power -- More equipment, accessories and antennas for low power radio operating! ARRL's Low Power Communication with 40-meter CW Cub Transceiver Kit -- Build and operate low-power radio gear--the QRP way! 3rd Edition. Includes the 40-meter CW Cub Transceiver Kit. W1FB's QRP Notebook -- Out-of-stock! -- Projects for low power operators! QRP Romps! -- Now you can work the world with low power!

IX Other Sources of Help (By Mike Martin and Mike Gruber)

It is beyond the scope of this article to provide a complete comprehensive treatment of the subject matter. Consider it as the first step toward improving your approach toward power-line noise issues. Let's now take a look at some additional sources of help and information that may prove helpful to you.

Help From The ARRL

The American Radio Relay League (ARRL) is a national organization representing amateur radio operators. Because amateur radio operators, often referred to as "hams," can be seriously impacted by power-line noise, the ARRL has been instrumental in helping educate power utilities on how to best deal with the problem. The ARRL provides technical information in the form of books, articles, web site information and a CD.

See the Track and Solve Electrical Interference Page for more information at http://www.arrl.org/tis/info/rfi-elec.html

Books of interest include:

• AC Power Interference Handbook
  Particularly helpful since it is dedicated to the subject of finding and fixing power-line noise. It also features in-depth coverage of noise signature techniques.
• The ARRL RFI Book
  Practical Cures for Radio Frequency Interference. Step-by-step interference solutions covering telephones, power-lines, TVs computers, VHF intermod and more!

Links:

The Power-Line Noise FAQ Page
Your complete guide to understanding power-line noise and the ARRL / FCC Cooperative Agreement.
• Power-Line Noise Mitigation Handbook for Naval and Other Receiving Sites
  The fastest way to get the information is to download the PDF file.  It can then be printed, saved to disk or copied to a CD.  If, for any reason, you are unable to download this file, a CD copy can be obtained by contacting the ARRL RFI Desk at rfi@arrl.org.

You can also contact the ARRL RFI Desk should you have any questions or require additional information at:

American Radio Relay League
RFI Desk
225 Main Street
Newington, CT 06111
Email: rfi@arrl.org
Tel: 860-594-0392

Help From RFI Services

Mike Martin owns and operates RFI Services, an RFI locating & consulting firm in Tracey's Landing, MD. He's been locating interference sources and training Power & Telecom companies full time for over 25 years. Mike typically solves an average of 500 interference complaints a year. He often helps test RFI locating equipment for manufacturers and recommends improvements.

Mike has received acknowledgments in publications including: AC Power Interference Handbook * AC Power Interference Manual * Power-Line Interference, A Practical Handbook * T&D Magazine and * The American Radio Relay League Journal. Mike is multi-licensed by the FCC and considered to be the most experienced Interference Investigator in the country.

For more information about RFI Services consulting or Workshops, visit www.rfiservices.com.