public async Task <byte[]> GetCalibrationByteArray(CancellationToken ct) { string strCalibration; strCalibration = await UploadCalibration(); _deviceCalibration = XmlSerializationUtil.FromXml <SpectrometerCalibration>(strCalibration); System.Diagnostics.Trace.WriteLine("InspectRxMeasurementSource:LoadCalibration DeviceCalibration"); return(DeviceCalibration.ReconstructionCalibrationByteArray); }