Complex sentence: All three services are broadcast on the Internet through the Windows Media, Real, and streaming MP3 formats along with streaming WPR program archives in Real, while downloadable versions of WPR shows in MP3 are only available to WPR members who have contributed to the network.
Split into simpler sentences: All three services are broadcast in real-time on the Internet through the Windows Media, Real, and streaming MP3 formats, with streaming WPR program archives available in Real. Downloadable versions of WPR shows in MP3 are available only to WPR members who have contributed to the network.