Doing a bit more snooping around the radio spectrum with the RTLSDR (My HackRF should be here tomorrow!) I spotted these patterns in the transmitted signals from DAB stations. I’m fairly sure these are not just moiré patterns. I expect they probably tell you something about the multiplexing of the signals in the transmission.
Category Archives: geeking
RTLSDR + MatLab 2014b
Horribly geeky post, more for my own information than anything. Might help others. After installing MatLab 2014b on OSX, I thought it might be fun to see if it’ll work with an RTLSDR dongle – if you’ve a license you can download a driver package for the MatLab communication toolbox from Mathworks (No, I’ll not …
#xraymyadvent 9/12/2014
Not the easiest one to guess today. It’s a fairly uniform consistency foodstuff, so no nice contrast parts for the X-Rays.
#xraymyadvent 8/12/2014
Today’s festive item, as viewed by the magic of 40 keV X-Rays. It’s a bit meta.
#xraymyadvent 7/12/2014
A mixture of items today – look closely at some of the shapes and you’re sure to guess what I’ve X-rayed for your pleasure.