> Yes. RFI consultant Mike Martin recently posted a note that he's now > using a P3 and K3 as part of his RFI chasing kit. I intend to do the > same with mine. Connected to a suitable antenna, it's a powerful (and > portable) tool.
Jim, similar setup here for chasing down switch-mode noise in the surrounding neighborhood. For the past eighteen months, I've been using the K3 with gel cell, SDR-IQ, netbook PC, SpectraVue software, and Palstar rotating loop antenna with the tropical band loop. Most of my switch-mode noise is pronounced between 2-7 MHz. The loop will resonate anywhere between 160m and 40m. Although this set-up works very well, the next step is to eliminate the K3 and use only the SDR-IQ with netbook PC + loop. This should significantly reduce the package size and weight for my treks in the neighborhood. Since the SDR-IQ is powered by the netbook PC, it also eliminates an external battery power source required for the K3 and P3. The results with SpectraVue are self-documenting with fast screen captures. This has helped when showing problems to the neighbors and if necessary, its excellent supporting evidence if filing an RFI/EMI complaint with the FCC. The loop antenna's directivity up through 40m is so sharp that most switch-mode noise sources can be localized to one part of the house from street distance. So, although the K3 and P3 would be effective as a noise detection tool, I think a netbook PC with SDR-IQ would be more effective for noise identification when considering the ability to quickly save screen captures to disc, as well as size/weight of the gear package needed while on foot. Paul, W9AC ______________________________________________________________ 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
