Uploaded September 2024 | Updated September 2026, 1 hour ago
The quest for low cost, high efficiency power conversion has a downside, radio frequency interference or more specifically QRM, noise from man-made sources. Broadcast engineer Steve Johnston has worked in the commercial, public and governmental broadcast sectors and has shares his insights into the forces that created the growing problem of QRM.
Help us preserve the history of electronic communications by becoming a member of the Antique Wireless Association at: antiquewireless.org/homepage/join-or-renew-membership
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The quest for low cost, high efficiency power conversion has a downside, radio frequency interference or more specifically QRM, noise from man-made sources. Broadcast engineer Steve Johnston has worked in the commercial, public and governmental broadcast sectors and has shares his insights into the forces that created the growing problem of QRM.
Help us preserve the history of electronic communications by becoming a member of the Antique Wireless Association at: antiquewireless.org/homepage/join-or-renew-membership
Subscribe to the Antique Wireless Museum channel and you'll receive news of our latest video uploads.










