This was posted in the main network forum earlier today, but it's pretty cool and I wanted to make sure it was posted here, too...
That's the TuneIn Radio Pro app. Listen to and record over 50,000 radio stations including thousands of AM/FM local stations on your iPhone, iPod touch or iPad! Just type in GaragePunk Pirate Radio Podcast and it should pop right up. You can also find individual shows on the network, so if you have a specific fave, try searching for it, too. Works with Android phones, too:
Sounds promising, especially with my new stereo. It's got DAB and an Ipod dock, which makes me wonder whether shortwave's obsolete if you can get these stations with crystal clear digital stereo.