Unlike the repeater towers that are sometimes used in western states (AKA translators), SFNs aren?t simply receiving the signal, error-correcting, and retransmitting on a different frequency.

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The improved audio and video playback performance is due to IBM researchers having found a way to partially disengage the error-correcting feature that most hard drives use to regulate the transfer of text-based files, which can interfere with video downloading, the company said.

CNN: IBM introduces 32G-byte hard drive for notebooks