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21. Re: [RFI] Recommendations for a N wireless router without RFI PSE (score: 1): Author: "John Pelham" <john@radiophile.com>; Date: Mon, 30 Apr 2012 12:30:26 -0400; Peter, I have been using a Buffalo WHR-HP-G300N for 17 months. I operate 160 - 6 meters and have experienced no RFI to or from this unit. http://www.buffalotech.com/products/wireless/wireless-n-route; /archives//html/RFI/2012-04/msg00077.html (8,284 bytes)
22. Re: [RFI] URGENT: Washing Machine RFI (score: 1): Author: "John Pelham" <john@radiophile.com>; Date: Sun, 24 Feb 2013 12:44:05 -0500; In January 2011 I bought a Samsung WF448AAW washing machine. It is completely RF quiet at my QTH. Unfortunately this model is no longer made, but perhaps more recent models from Samsung are similar.; /archives//html/RFI/2013-02/msg00013.html (8,015 bytes)
23. Re: [RFI] Any RFI issues with Amana AMVC96 Furnace? (score: 1): Author: "John Pelham" <john@radiophile.com>; Date: Fri, 7 Jul 2017 13:11:56 -0400; Even some non-variable-speed setups can emit RFI. In 2010 I needed a new system, and specified no variable speed to the contractor. I got a Trane system that had a G.E. ECM (electronically commutated; /archives//html/RFI/2017-07/msg00014.html (11,386 bytes)
24. Re: [RFI] RFI experience with Trane HVAC units? (score: 1): Author: "John Pelham" <john@radiophile.com>; Date: Fri, 11 May 2018 09:49:37 -0400; I bought a Trane system in 2010. I insisted on no variable speed motors. What I got from Trane was a unit with an electronically commutated motor (ECM) that generated lots of RFI. I was able to elimi; /archives//html/RFI/2018-05/msg00017.html (10,416 bytes)
25. Re: [RFI] Air Conditioner / Heat Pump recommendations (score: 1): Author: "John Pelham" <john@radiophile.com>; Date: Wed, 20 Feb 2019 13:17:05 -0500; Back in 2010, I replaced a heat pump with a new Trane. I specifically asked the contractor for a unit with a single-speed motor. What I got was a unit with a "single-speed motor," but it was an ECM (; /archives//html/RFI/2019-02/msg00060.html (9,088 bytes)
26. Re: [RFI] Ensuring an RFI free air conditioner install (score: 1): Author: "John Pelham" <john@radiophile.com>; Date: Thu, 1 Oct 2020 08:06:37 -0400; David, Googling "Trane 4TTL6 4 ton 16 SEER Slimline" brought me to a description of that unit. But it's just the outside unit, the condenser. You also need to consider the air handler inside, where t; /archives//html/RFI/2020-10/msg00001.html (9,975 bytes)
27. Re: [RFI] Single stage HVAC with ECM (score: 1): Author: "John Pelham" <john@radiophile.com>; Date: Fri, 8 Jan 2021 10:38:31 -0500; In 2012 I had a Trane heat pump system with an ECM in the air handler installed. It was quite noisy on HF. I was able to reduce the noise to negligible levels with #31 ferrites on the motor and therm; /archives//html/RFI/2021-01/msg00024.html (9,812 bytes)

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