Is it [largely] factual? I couldn't work it out quickly as it's told in first person but the tag line and mini-resume doesn't mention anything that suggests the writer writes radio broadcasting software.

The third para from the end suggests it's at least somewhat fictionalised.

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Oh, found this http://www.bsiusa.com/about/about.php (seems Burley didn't know much about trademarks when he set out?).

Edit: Also http://www.paulneevel.com/hp_archive/070830ronburley.html.