Its not just front loaders - we have a Sears Kenmore "Oasis He" top loader
that wipes out every 16 khz from 160 thru 10 meters depending on the cycle
its in. Probably same lousy ewlectronics . Good to hear about the LG - XYL
wants a front loader when this one craps out. For now she just does not run
it when I am in a contest - thats pretty effective !
73 de Hank K7HP
----- Original Message -----
From: "Kelly Johnson" <n6kj.kelly@gmail.com>
To: "Hardy Landskov" <n7rt@cox.net>
Cc: <rfi@contesting.com>
Sent: Tuesday, December 16, 2008 3:06 PM
Subject: Re: [RFI] Nasty RFI wiping out higher bands
> I've mentioned this numerous times, but...
>
> My LG HE washer/dryer pair is whisper quiet. Don't assume that all
> front load HE washers generate RFI.
>
> The key for me is to buy ONLY from brick-and-mortar stores that have a
> 30 day return policy. I bought mine at Best Buy and told my wife that
> it was going back to the store if it generated RFI. Both my wife and
> I were happy to find that it was quiet: quieter than my 14 year old
> CRT television.
>
> I'd love to buy a flatscreen television from a low-cost online
> retailer, but none of them allow returns so I'm stuck with paying a
> bit more for a brick-and-mortar store. You get what you pay for.
>
>
>
> On Tue, Dec 16, 2008 at 12:21 PM, Hardy Landskov <n7rt@cox.net> wrote:
>> Roger,
>> Ok so where do we buy appliances now that are RFI free? Seems like
>> everything is going digital with a microprocessor and a switching power
>> supply.
>> Hardy N7RT
>>
>> ----- Original Message -----
>> From: "Roger (K8RI)" <k8ri@rogerhalstead.com>
>> To: "Paul Christensen" <w9ac@arrl.net>
>> Cc: <rfi@contesting.com>
>> Sent: Tuesday, December 16, 2008 7:21 AM
>> Subject: Re: [RFI] Nasty RFI wiping out higher bands
>>
>>
>>>
>>>
>>> Paul Christensen wrote:
>>>>> We should all be writing our Directors asking for attention and action
>>>>> on
>>>>> this issue.
>>>>>
>>>>
>>>>
>>> Seems to me we should be writing the manufacturers of the devices.
>>>> Sec. 15.103(d) reads as follows:
>>>>
>>>> "(d) A digital device utilized exclusively in an appliance, e.g.,
>>>> microwave oven, dishwasher, clothes dryer, air conditioner (central
>>>> or
>>>> window), etc."
>>>>
>>>> What exactly is "etc.?" We cannot continue to allow the drafting of
>>>> these
>>>> absurdly-constructed rules that allow anyone to fill in the blanks with
>>>> any
>>>> device they deem to be an "appliance" when such terms as "etc." are
>>>> written
>>>> into the rules.
>>>>
>>> Looks plain to me. If you have a digital device used in *anything*
>>>>> In the meantime, it would be very interesting to know whether a good
>>>>> filter (common plus differential mode) on the line cord..."
>>>>>
>>>>
>>>> Not on my GE Harmony washer. I tried an outboard ICE RFI filter on the
>>>> line
>>>> cord and it had zero impact on RFI. There's a lot more going on
>>>> inside
>>>> a
>>>> direct-drive washer that precludes total RFI abatement. Large
>>>> inductive
>>>> loops are used on the circumference of the washer's basin and these are
>>>> a
>>>> source of direct RFI radiation. And even if RFI could be reasonably
>>>> mitigated, who wants to assume the risk of voiding their standard or
>>>> extended warranties by modifying the appliance?
>>>>
>>>
>>>> I confronted GE's two design engineers on this matter. They didn't
>>>> beat
>>>> around the bush: They emphatically stated they had no doubt the washer
>>>> was
>>>> emitting RFI, built that their product was Part-15-exempt and as a
>>>> manufacturer, they are under no further duty to mitigate the RFI.
>>>>
>>>>
>>> No device like this is exempt. They either don't know, or are blowing
>>> smoke, particularly when even electric fences, and door bells are
>>> covered.
>>>> In my opinion, Sec. 15.103(d) should be completely removed from the
>>>> Rules.
>>>>
>>>> Paul, W9AC
>>>>
>>>>
>>> I'd go back to the dealer which is the first thing I'd have tried even
>>> before trying to remedy the problem with the washer and dryer, but
>>> forewarned is now forearmed. I wouldn't purchase any appliance without
>>> the understanding that if it caused interference they'd be getting it
>>> back. Most any reputable dealer including the big box stores will do
>>> this.
>>>
>>> 73
>>>
>>> Roger (K8RI)
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>>>>
>>>>
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