HDS Gen2-Do I need a GPS Antenna Module?

[VH5150]

I have a HDS Gen 2 do I need to get a GPS Antenna Module?

[grout-scout]

Not if your graphs gps is working correctly to begin with, but a Point1 is greatly appreciated if you fish offshore at all. Point1 has a heading sensor in it, keeps your graphs from chart spinning screen while sitting stationary.

[VH5150]

Not if your graphs gps is working correctly to begin with, but a Point1 is greatly appreciated if you fish offshore at all. Point1 has a heading sensor in it, keeps your graphs from chart spinning screen while sitting stationary.

Thank you