Hi Dave, N6CO To find out from where the noise come out you need a MFJ-852 Meter A/C Line Noise Meter visible in the following internet address:
http://www.mfjenterprises.com/Product.php?productid=MFJ-852 It is currently used by the Electricity Companies in England. 73" de i8CVS Domenico ----- Original Message ----- From: "Dave Larsen PhD" <d...@volcano.net> To: <amsat-bb@amsat.org> Sent: Saturday, August 03, 2013 1:28 AM Subject: [amsat-bb] Re: Help with 75 mtr Qrn problem > 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" <k4...@k4feg.com> > To: "Dave Larsen PhD" <d...@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 > >> _______________________________________________ > >> Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. > >> Not an AMSAT-NA member? Join now to support the amateur satellite > >> program! > >> 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 > > Frank; > > K4FEG > > _______________________________________________ > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
