Speaking of very miscellaneous podcasts, like what >>2
mentioned, I'd finished listening to the Silent Key podcast months ago before I realized it had stopped. Although I remember that I found the podcast on an advertisement, I'm unsure what site it was on. At any rate, it's kaput. There are 31 episodes in total.
The podcast describes itself as "incalculable sadness and substantial humor in equal measure. Modern amateur radio recordings of varying length, presented without interruption or commentary."
What it happens to be is men about a decade older than me talking through radio, or something of the sort. There's no fixed topic, even within the same podcast.
It kind of felt like a slice of life anime's podcast counterpart.
Here's a link, if you're curioushttp://podbay.fm/show/730847090