GPS Breakout doesn't not work on Pi3

[IPingUPing]

https://learn.adafruit.com/adafruit-ultimate-gps-hat-for-raspberry-pi/pi-setup

You get the same "no data" error as if the module is not connected properly.

[IPingUPing]

Noted on Part 1 - Section 4: https://github.com/InitialState/rpi-gps/wiki/4%20Part%201.%20Configuring%20Serial%20and%20Testing#no-output-when-running-cat-devttyama0