How about a 15 Amp power-line filter instead?
http://www.amazon.com/dp/B004PEIFZO/ref=asc_df_B004PEIFZO2141706/?tag=nextagus0011565-20&creative=394997&creativeASIN=B004PEIFZO&linkCode=asn
Cortland
KA5S
On 8/27/2012 1626, Missouri Guy wrote:
> Richard,
>
> I've heard that some microwaves use switching power
> supplies instead of a *heavy*, conventional transformer.
>
> If your appliance uses the switching supply, chances
> are that it's "on" all the time so the controls are powered up.
> That could be the source of your noise. You might try a
> common mode choke on the power cord...see if that makes
> a difference. Study the choke info on K9YC's website!!
>
> 73,
> Charlie, N0TT
>
> On Mon, 27 Aug 2012 13:09:47 -0700 "Richard Saunders (K6RBS)"
> <g0ery@cox.net> writes:
>> I've had a problem with nose on 10M for some time. It is continiuos
>> and starts around 26 Mhz and drops off around 31.5 Mhz. In AM more I
>> hear S7 wide band white noise with an embedded a/c buzz.
>>
>> This weekend I isolated the problem by turning the power off to the
>> house and doing a biniary search with the breakers until I found
>> that it is an in-built GE Microwave model PVM1870DM3SS.
>>
>> If does have an option to turn off the display but unfortunately
>> that didn't help. For now it is unplugged and my noise on 10M is
>> S0.
>>
>> Any help would be appreciated.
>>
>> Thanks,
>>
>> 73 - Richard K6RBS & G0ERY
>> _______________________________________________
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>>
>>
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