I think we are talking about different types of QRN. This evening the noise level is way down. My Pennants seem to be quite directive. Of course the W1FV array still does not work. The BOG is hearing quite well but no directivity at 220'. Will try shortening it. I was chatting with AA1K a little while ago. He does quite well down in DE with his array of receive and transmit antennas on 160M. He was saying weird propagation and noise this past weekend too on 80 and 160M. Oh well, probably see more of this with the low sunspot numbers. SW3LPL had a good explanation of this the other day.
73 N2TK, Tony -----Original Message----- From: Elecraft [mailto:[email protected]] On Behalf Of Eric NO3M Sent: Wednesday, November 30, 2016 2:13 PM To: [email protected] Subject: Re: [Elecraft] K3: KFL3C-200 filter We may also be referring to different types of QRN. I have almost zero local noise, the transmit antenna is usually about S1 midday and on quiet nights, S2-3 at night. Locally generated QRN is generally more even and narrow filtering may be beneficial in that case. Propagated QRN, which is what I mainly hear, is more erratic, with bursts and inconsistent behavior, where wider bandwidths seem to benefit. As Jim points out, there is science behind it, but I also think the inherent phase distortion and how it is processed / handled by the brain may be a function of the individual to some extent. 73 Eric NO3M On 11/30/2016 01:28 PM, N2TK, Tony wrote: > Eric, > I agree and open up the bandwidth when there isn't strong adjacent > signals, especially with the upper bands. But on Topband I do seem to > hear better in the QRN with the filter narrowed down to 200HZ. > I do wonder why the difference we both see on Topband with you using a > wider setting and I am using a narrower setting? Maybe you have better > receive antennas? > I only have a couple Pennants, a short 3-el vert inline array that I > can't get working well and a BOG. I haven't optimized the length yet on the BOG. > But so far it hear fairly well. I sure do miss my long beverages when > I lived in Joisey. > > 73, > N2TK, Tony > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
