gpstrack is not aggregated by time

[lisapro]

Query

start_time = "2023-02-01T11:00:00"
end_time = "2023-03-26T16:00:59"
t = pyniva.get_ship_data(
    vessel_name="FA",
    param_paths=param_paths,
    start_time=start_time,
    end_time=end_time,
    noqc=False,
    header=header,
    dt="P1D", 

gives a dataframe with not matching times

index	time	FA/FERRYBOX/C3/CDOM_FLUORESCENCE/RAW	longitude	latitude
0	2023-02-24 00:00:00	184.043196	NaN	NaN
30	2023-02-24 15:25:00	NaN	10.614320	59.247232
1	2023-02-25 00:00:00	230.361338	NaN	NaN
31	2023-02-25 15:30:00	NaN	10.423127	54.512487
2	2023-02-26 00:00:00	249.366403	NaN	NaN
32	2023-02-26 15:30:00	NaN	10.621140	59.226835

[lisapro]

probably here is the reason

downsam