The sidebar of this website (it’s underneath the posts these days for some reason I don’t understand) has links to websites and comics and things that I like or used to like. I don’t clean it up very often, so there’s still a link or two on there I’d not visit now. One of the …
Category Archives: Amateur Radio
Perseids meteor shower
I watched the meteor shower from the field at the Secret Nuclear Bunker where a group of us were camped doing radio stuff including bouncing signals off the ionized gas trail left by burned up meteors (meteor scatter). I captured this time-lapse video which does include a few meteors as well as a pass by …
Interesting patterns
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.
VHF Radio Coverage
I’ve just discovered a nice tool for plotting radio transmission coverage. Here’s where I can expect to get a signal too from my home location. Yellow shows 0.50 μV signal level, Green is the 1.58 μV signal level This seems to match up quite well with contacts I’ve had on the two-meter band, but with …