clc, clear

% Path to local file
file_path = "F:\datalake\AABBCCDD\CAN2_GnssSpeed\2022\04\22\00000975_00000001.parquet";

% Read single file into memory
gnss_speed = parquetread(file_path, "RowTimes", "t");

% Plot speed over time
figure(1)
plot(gnss_speed.t, gnss_speed.Speed)