I finally got around to working with Arduino and the TinyGPSPlus library. You need to set the baud rate from the GPS to the CPU to 9600 instead of 4800 as the default baud rate in the sample library thumbnails. The seller couldn't offer any advice other than that it wasn't designed for aviation use. Something is probably lost in translation, which I agree with unless you say you support. One star off for the support issue.
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