Archive for tag: SDR-IQ

K6HX QRSS Grabber

January 20, 2010 | Amateur Radio, QRSS | By: Mark VandeWettering

For fun, I’ve got my new RFSPACE SDR-IQ running on my laptop using Spectrum Lab and monitoring the 30m QRSS beacon subband. I enabled its HTTP server, and now have set up a little cronscript to copy its display to my webserver once a minute. You can see an example display below (showing KC7VHS, AA5CK […]


January 9, 2010 | Amateur Radio | By: Mark VandeWettering

Earlier tonight, I noticed that CW traffic on 40m picked way up. You get an interesting view of the band conditions when you can tune 100Khz at a time: Even with my own wimpy antenna, it was hopping pretty good.

Digital Radio Mondiale, recorded on the SDR-IQ, decoded with GNU Dream

January 7, 2010 | Amateur Radio | By: Mark VandeWettering

Digital Radio Mondiale is a new digital broadcasting standard that is being used on shortwave. Sadly, its one of those annoying standards that relies on all sorts of patented technology, which makes experimentation really difficult and annoying. But I heard that Sackville Canada echoed Radio Chinas DRM broadcasts here to the U.S. for an hour […]

New gadget in the shack: an RFSPACE SDR-IQ

January 4, 2010 | Amateur Radio | By: Mark VandeWettering

Well, I got a new gadget in the mail today: an SDR-IQ from It’s a cute little gadget: a general purpose receiver that can deliver the quadrature signals for any 192Khz of the spectrum anywhere from 100Hz (yes, Hz) to 30Mhz. It is a small black box, with only three connectors: a USB, a […]