Read the latitude of the GPS.
GPS.latitude()
None.
GPS latitude in degrees.
// Check if there is new GPS data available
if (GPS.available()) {
// Read GPS data
float latitude = GPS.latitude();
float longitude = GPS.longitude();
// ...
// Print GPS data
Serial.print("Location: ");
Serial.print(latitude, 7);
Serial.print(", ");
Serial.println(longitude, 7);
}