[amsat-bb] Re: Help with 75 mtr Qrn problem
nss at mwt.net
Fri Aug 2 19:54:33 PDT 2013
Can you hear it on the AM broadcast band?
If so use the ferrite rod antenna to get directions of it and have
yourself a fox hunt.
The Original Rolling Ball Clock
On 8/2/2013 9:40 PM, Greg D wrote:
> Hi Dave,
> If the noise came and went sharply (like someone turned something off
> for a week), and "man made" sounding, perhaps one of your neighbors
> put up a solar power array? Lots of diodes and the power inverter
> running during the day...
> Just a thought,
> Greg KO6TH
> Dave Larsen PhD wrote:
>> I have called PG&E and the guy came out with a 430 Rx with a beam
>> saying it's not
>> there problem - humm - The Lev stays at a S-7 and then when sun
>> comes up it goes to a S-9 20 over
>> both Ants were fine for 2 years .. then the QRN .. it did go away for
>> about 1 week now
>> back for 1 month
>> Tnx for all responce .
>> ----- Original Message ----- From: "K4FEG" <K4FEG at K4FEG.COM>
>> To: "Dave Larsen PhD" <doc at volcano.net>
>> Sent: Friday, August 02, 2013 3:50 PM
>> Subject: Re: [amsat-bb] Help with 75 mtr Qrn problem
>>> On 8/2/2013 05:23 PM, Dave Larsen PhD wrote:
>>>> I have 2 dipoles up at 60+ ft - one set running East-West other
>>>> North South .. From 2.6 to 5 Megs I
>>>> have a S-7 Qrn lev at 4 Am .. buy noon I have a 10-20 over QRN Lev
>>>> .. I live on 10 acres and have
>>>> turned off main power to house and still have QRN .. so not coming
>>>> from anything in house .. This one
>>>> has me stumped .. 6 moths ago my Qrn was a S-2 .. waiting for a G6
>>>> radio to try and track this down
>>>> but does anybody else have any idea's ?
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>>> there is a possibility that you have a nearby electrical transformer
>>> that has a corroded connection on it, these connections can be a
>>> major source of noise and they will come and go with changes in
>>> humidity or precipitation. will it suddenly stop at times are is it
>>> a fairly constant level?
>>> your local utility company can find and repair these connections but
>>> they need a better idea of the direction it is from your QTH.
>>> Those are my thoughts on your problem
>>> Good Luck
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