[amsat-bb] Re: Help with 75 mtr Qrn problem
ko6th.greg at gmail.com
Fri Aug 2 19:40:07 PDT 2013
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,
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 ?
>>> Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the
>>> Not an AMSAT-NA member? Join now to support the amateur satellite
>>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>> 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
> Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
More information about the AMSAT-BB