Sure, tonight after the noise starts. Should have done that in the first place.
Regards , Kenny K2KW
> On Jan 8, 2020, at 6:54 AM, Michael Martin <mike@rfiservices.com> wrote:
>
>
> Can you send a wav file, about 15 - 30 seconds, AM
>
> Get BlueMail for Android
>> On Jan 8, 2020, at 5:53 AM, AA5CT via RFI <rfi@contesting.com> wrote:
>> I have found power line noise sources on 160 all the way out to 5 miles.
>>
>> Here's a list of some of the more notable sources found over the last decade
>> or so:
>>
>> https://powerlinenoiseallentexas.wordpress.com/
>>
>> One of them not listed was on a co-op power pole that had a bad lightning
>> arrester and was 5 miles out to my NE.
>>
>> HERE'S what I successfully use, time and TIME again:
>>
>> https://powerlinenoiseallentexas.wordpress.com/df-equipment/
>>
>> Good luck in the hunt.
>>
>> de AA5CT
>>
>> .
>> . On Tuesday, January 7, 2020, 10:55:25 PM CST, Kenny Silverman
>> <kenny.k2kw@gmail.com> wrote:
>>
>> Hi and thanks in advance!
>>
>> We’ve been trying to track down some noise at a friends house but no luck so
>> far and I was hoping for some tips on finding it. The buzz comes on at
>> sundown and turns off at sunrise. It’s bad on 160 but it can be heard
>> Lightly on 80 and 40. The noise is constant and does not cycle (at least
>> for the 90 minutes I was listening to it tonight). The worst direction is
>> on the East beverage on 160. On 80m it seemed like the worst was to the
>> NW... it could be 2 sources but the noise appears to come on at the same
>> time in all directions, not a staggered turn on/off. Could be a single
>> source but poor F/B on the beverages. The Listening to the ARRL RFI files it
>> sounds like power line noise or street lamps ( but without the cycling).
>> Over the 90 minutes tonight there were almost no variations (except for an
>> occasional change in pitch).
>>
>> We've DF’d on a portable AM radio, 2m and ultrasonic device. AM identified
>> some noisy poles but we’re not convinced these are the main offenders. Not
>> much luck with VHF or ultrasonic. Our next plan is to use a KX3 on 160m and
>> a decent RX loop to direction find and triangulate.
>>
>> I suspect we’re not looking out far enough... suggestions on how far away
>> we should be looking? And how close do we need to be to hear it on VHF?
>>
>> Besides power lines and street lamps, other thoughts on possible offenders?
>> Most of the area is residential with street lamps on most streets.
>>
>> Regards , Kenny K2KW
>>
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>>
>>
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