I have experience setting up radio transmitting equipment, and make shift broadcasting studios on a shoestring budget.
On the transmission side of things I can fabricate a dipole and tune it with a SWR meter, build a transmitter (if I have a kit and instructions), crimp LMR-400, and have a bunch of techniques for "masting" an antenna and gaining access to line of site.
Most broadcasts that I have helped set up consist of a rudimentary studio run off of a laptop which is running Skype (for incoming calls), and winamp (using the
DSP plugin for streaming to a Shout Cast server). There is a program for linux, called jack that looks really promising, but I haven't tried it out yet.