Hi, We go the mentioned filter at our contest station. We got S6+ Interference from the run to the multi station. If we switch the bandpass on the run from the band to bypass, the noise level does no
Hi, I am trying to sort out receive noise issues with my Flex. I am not exactly sure how clean the spectrum could/should be. I have the feeling that I may be more concerned about this just because I
Hi, I walked around my house with an AM radio and am not pleased. I would like to replace all switching power supplies with the non-switching kind, everywhere in my house. I found this 5V one: https:
All, Is it the same to use 5 cores and just clamp them on a cable one after another compared with using one of the same cores and wrapping the cable 5 times through? I would think yes. Is this true?
Thanks for all the great advise and information. Here is an update and a follow up question: I have identified these issues after a few weeks of research: * (Small impact) My own ethernet switch/cabl
Ed, I read the Jims RFI prevention pdf and ordered the same ferrites he suggests. Those are all 31s. * The small ones (when I really cannot wind because length of cable prevents it) are some I still
Hi, I am constructing an 80m 4 Square using DXE phasing unit. The instructions clearly say to not add any matching components or decoupling devices like baluns or coils between the phasing unit and t
Thanks for everyones input. I did some measurements. I can do about 4 turns of 5 diameter of the coax and still reach the phasing box, bury the cable in a few spots where it goes over a walkway in co
Jim, thanks for following up. Your messages had gone to the junk folder for some reason. I have now received LMR200-74 and the large 4 inch chokes from Fair-Rite and will try to get 19 turns on there
I have two Trane 13i, and cannot recommend them. Lots of spikes and have not had the time to fix it. I added many cores in the outside unit, but did not help much. I also find it very hard to have te
Hi, I found a bad battery charger at my neighbors house and would like to replace it with a better one. He will be mostly using it for charging his RAM truck, which has 2 truck batteries in parallel
Hi, these may dumb questions (I am a choke newbee, but working myself up to the skillset to build my own to specific needs)... A recommended method and material to use is #31 and a #12 THHN pair of w