Building an AM Transmitter with HackRF One
There’s something quaint and old fashioned about AM radio. The muffled drifting in an out as you drive down the road, the cacophany of noise attacking your ears attempting to listen at night and...
Category: Radio
The Frustrating World of Writing Radio Station Skills for Alexa
Writing a radio station skill for Alexa should be relatively simple. The minimal viable product is streaming audio plays when the user asks for it and maybe we can give some now playing information...
Flipping Over to Your Competitor?!?
Weirdly, I had a problem I’ve not seen for years crop up recently. And it all started with complaints about car radios flipping between us and a competitor radio station. That’s not a good...
Plotting for Improvement
It’s something a lot of community radio stations here in the UK are trying to improve – their FM coverage footprint. While the 25 watts ERP that Ofcom often licence stations at is usually...
Generating FM MPX on a Raspberry Pi 3
It’s been possible to turn your Raspberry Pi into a little FM transmitter for quite a while now. Download the right software, attach a wire to the GPIO pin in and you’re broadcasting a...
Weather with You
While waiting in for a delivery one weekend (thanks to my partner for that one!) I ended up mucking about with one of those USB TV reciever dongles. Specifically, one that can be used...
Playing the Music You Want to Hear
I once heard someone say that there are two things in volunteer radio stations that can cause big arguments – jingles and music. While I do believe that’s somewhat unfair, experience tells me music...
Low Power DAB Multiplex
In case you’ve not noticed, we recently saw the first trial low power DAB multiplex launch in Brighton. It’s part of a nine month technical trial covering three possible technical options. The first of...
OpenSIPs in the DMZ
You’ve got your brand new broadcast IP codec. A pair of them really, one inside the network and the other outside. How do you make them talk to each other? Admittedly, it could be...
IP for Serial Controlled Audio Switches
It’s not often you talk about systems from the DOS era, especially now that we’re in 2015. However, the DCS playout system used to be shipped with a serial controlled audio router. The router...
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