I recommend replacing Ethernet cables with wifi when possible, both for noise and rfi problems, as well as reducing the chance of lightning damage.
Victor 4X6GP On Wed, Mar 13, 2024, 16:43 Bayard Coolidge, N1HO via Elecraft < elecraft@mailman.qth.net> wrote: > Although I don't have an amp, and ran my K3 barefoot, and run my K4D > barefoot as well, I do have a 100 foot CAT5E cable running into the shack > from the other end of the house, through the attic (there being no basement > here in south Florida!). Initially, I was seeing a fair amount of noise > from it, and was able to quench it by winding a couple of turns around a > small clamp-on choke. > That doesn't seem to affect the network performance, so I can reliably run > it at 400MBit/second, and it seems to clean up whatever other noise it's > picking up from nearby homes (most are on small lots of about 1/5 acre) and > the condominium complex next door. I still have some strange noise from > other sources coming in from the antenna, and the HVAC's air handler is > very noisy, particularly on 30m through 15m, but I know it's not the > twisted-pair Ethernet line. My CAT5E cable plugs into a small AC-powered > router, and feeds my Mac, the K4D, as well as a laptop occasionally. > HTH, and 73, > Brandy, N1HO (EL96xh) > > On Wednesday, March 13, 2024 at 10:22:02 AM EDT, Pete Smith N4ZR < > pete.n...@gmail.com> wrote: > > > One culprit I can think of is a 100-foot Ethernet cable between my > station and my FIOS router. I have bought a shielded replacement but > have not yet installed it. After reading some of the recent commentary > about so-called "shielded" cables, I'm wondering if this is worth doing. > > Any suggestions, either K-3-specific or more general, would be much > appreciated. > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to k2vco....@gmail.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
