[amsat-bb] Re: Help with 75 mtr Qrn problem

[Dave Larsen PhD]

 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 .

Dave

----- 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 ?
>>
>> Tnx
>>
>> Dave
>> N6CO
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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
> Frank;
> K4FEG