http://elecraft.85.s1.nabble.com/Is-it-my-KX3-antenna-or-is-it-lousy-band-condx-tp7633243p7633324.html
I'd say "not always". There are some major manufacturers that sell into the Ham
The P3 was a real eyeopener watching the low level spikes and mounds of wideband
noise drifting across the screen. I made some improvements but as far as I was
concerned not worth the effort. Ultimate solution is to invest in more iron and
> Not exactly correct. I have 2 which do not, as I measure and listen, create
> any noise. On the other hand, I purchased a "deal" for a 13V / 30 amp
> supply. It measures.......well it will never be in or around my house as it
> generated lots of noise from 1 MHz to over 100 MHz. I was suspicious when I
> couldn't find a Part 15 label on the box. But after all, new shipped to me was
> less than $20.
> 73
>
> Bob, K4TAX
>
>
> On 8/12/2017 10:13 PM, Clay Autery wrote:
>> Yup! And tech geeks like me can have 75 switch mode power supplies in a
>> 1000 ft sq house....
>>
>> SMPS are the devil's work and must be destroyed! ;)
>>
>> I've done away with about 1/3 of them so far... Eventually, I hope to
>> eliminate ALL of them from the entire property.
>>
>> 73,
>>
>> ______________________
>> Clay Autery, KY5G
>>
>> On 8/12/2017 10:07 PM, Jim Brown wrote:
>>> On 8/12/2017 7:31 PM, krug261--- via Elecraft wrote:
>>>> I came back to radio after a 15 year break.
>>> The thing that's changed is the proliferation of noise generators. The
>>> RF environment has become so bad that broadcasters have raised the
>>> issue with the FCC, and the FCC is studying it in a serious way.
>>>
>>> In a tutorial/applications note about finding and killing it, I made
>>> an educated guess that the average residence has at least two dozen,
>>> and probably three dozen, HF noise sources.
>>>
>>>
http://k9yc.com/KillingReceiveNoise.pdf>>>
>>> 73, Jim K9YC