ArduIMU+ v2 not getting fixes from GPS GS407 with DIYDrones breakout

Hello:

 

  I have an ArduIMU+ v2, with a DIYDrones GS407 and breakout board (basic).  I am supplying power to the ArduIMU+ with a 7.2V LiPo battery.  I think the ArduIMU is mostly working as it is able to read its own sensors and it talks to an HMC5843

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