He only needs a pseudo-random seed, though. The real random comes from the radio white-noise.
[...]
After that, you actually want to feed the entropy you're getting from the radio tuner *into* /dev/[u]random.
He may wish to pre-process the raw bits to remove any potential bias they may have.
Here's what I do for random bits: http://www.etoan.com/random-number-generation/index.html
Cheers,
Dan
