Monday, 14 November 2011


Take a look at this GPS track of my drive to work today. I stopped in for an appointment with Lindsay the magic physio, and this track shows that I pulled off North Avon Rd into his car park, and out again.
But that's not Lindsay's surgery - his is two houses east, the one with the light grey roof. Hmmm. That's a 40 metre error. It became more obvious as I moved west, completely missing Macleod St and Hills Road.
The error continued all the way across town.
I think some calibration is called for! Anyway, take care to sanity check your GPS's location information.

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