This has a lot of similarities to the infamous ULS database published by the FCC, though this actually looks a little bit easier to work with. The ULS database doesn't even follow a CSV-like format, because despite all of its variations, one of the two newline forms are ultimately what separates records, and with the ULS, you can't make that assumption (unescaped newline characters are valid values). Nothing less than a customized parser will suffice.