double gps_ground_altitude = cal_data.gps_pad.alt;
gps_height = add_series(gps_height_name, AltosConvert.height);
for (AltosTimeValue gps_alt : gps_altitude)
double gps_ground_altitude = cal_data.gps_pad.alt;
gps_height = add_series(gps_height_name, AltosConvert.height);
for (AltosTimeValue gps_alt : gps_altitude)