Latest News

14-18 May 2019: RASA will be visiting four VK2 radio clubs to demonstrate QRM.guru.  Send us an email for more info.  feedback@qrm.guru May 2019: QRM Kill Kit is available for purchase for $150.   Send us an email if you’re interested. feedback@qrm.guru 3 May 2019: RASA visits Eastern & Mountain District Radio Club. QRM.guru Kill […]

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The Process

QRM.guru is an aid in the search, identification and removal, reduction and hopefully elimination of electrical noise around the home and surrounds, and more particularly interference to the amateur radio station. It is suggested to read the “Start here” page first then investigate sections of the site that interest you.   If you’re wanting to […]

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Locating noise in your home

If your noise source is limited to your home (and property) then you’re in luck.  You have much greater control over how the noise can be resolved. Follow this simple procedure to locate the noise. Power your receiver with a 12v battery so you’re independent of the mains supply You can start by turning off […]

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Example – Basic Diagnosis

This is a simple example of how you might conduct the first step in identifying the noise/s.  John has moved to a new QTH has has some noise issues. John is using the log sheet and profiling sheet found under Templates.  He is keeping a detailed journal. John notes that every time he turns on […]

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Identifying the noise – Useful links

This post provides links to some useful sites and resources to help you identify your noise.  Please send us any additional resources or links you know about.   This is a good all-round website for helping learn more about various noise sources: Signal wiki – identifying noise Noises around the home: Noise sources around the home and Household […]

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Basic Diagnosis – Start here

Radio Frequency Interference (RFI) or noise, has become one of the single largest impediments to HF operation in any urban environment.  This article covers the basic philosophies to help you identify and (hopefully) resolve your noise issues. This is not about throwing your arms up in despair and moaning “every time I turn on 40m […]

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