Yesterday Mike (W9RE) and I tracked down some RFI that's originating from an Xfinity wireless router. The Xfinity name for this modem is XB3, but looks like there are actually numerous model numbers
It's ALWAYS a good idea to put a suitable ferrite choke on any wiring connected to a noise source -- it's usually those wires that radiate the noise. And that includes the AC line cord or DC power ca
Hi Jim, Thanks, but I really wanted to know if others have noticed a 1 MHZ wide signal that has a white noise waterfall and spectrum plot (both RF and Audio) from the Wireless Router I mentioned cent
Hi Jim (and gang), I should also mention the wireless router we are talking about is really called a Residential Gateway. The Xfinity Telephony Gateway provides four Ethernet connections for use as t
This is a very interesting post, Don. Your loop and a description of your troubleshooting would make a great piece for QST or NCJ. Also, spectrum pix would make a great addition to NK7Z's collection
I have a couple of suggestions based on dealing with one of these before. This device actually does contain a switching power supply integrated inside of it, that is how they make it so thin. It also
Hi Jim Thanks, and I thought about submitting an article to QST since I have written articles for them in the past, and will do that for my portable flag for HF direction finding. Numerous people hav
Don, Do you intend to keep an untuned loop in your bag of tricks? It would seem that its very sharp null offers unique advantages. 73 Frank W3LPL -- Original Message -- Hi Jim Thanks, and I thought a
This device actually does contain a switching power supply integrated inside of it, that is how they make it so thin. It also has a 2 pin power cord for 120V AC (IEC 60320 C7/C8 polarized). The switc
Hi Frank, You bet I will continue to use tuned and untuned loops too. I have tuned loops and untuned loops in my arsenal. I have untuned loops all the way down to 1 inch in diameter. Don ____________