  TYPE
    ost$spi_data_header = record
      number_of_spi_samples: ost$number_of_spi_samples,
      spi_sampling_interval: ost$spi_sampling_interval,
      spi_identifier: ost$spi_identifier,
      run_comments: string (32),
      sample_date: ost$date,
      sample_time: ost$time,
      number_of_samples_collected: ost$number_of_spi_samples,
    recend;

