dnp["FileFormat"] = read(fh, Uint32)
dnp["FileType"] = bytestring(readbytes(fh,4))
dnp["OriginalFileName"] = bytestring(readbytes(fh,68))
dnp["ReferenceFileName"] = bytestring(readbytes(fh,68))
dnp["RelatedFileNameA"] = bytestring(readbytes(fh,68))
dnp["RelatedFileNameB"] = bytestring(readbytes(fh,68))
dnp["RelatedFileNameC"] = bytestring(readbytes(fh,68))
dnp["Annotate"] = bytestring(readbytes(fh,84))
dnp["InstrumentModel"] = bytestring(readbytes(fh,36))
dnp["InstrumentSerialNumber"] = bytestring(readbytes(fh,36))
dnp["SoftwareVersionNumber"] = bytestring(readbytes(fh,36))
dnp["CrystalMaterial"] = bytestring(readbytes(fh,36))
dnp["LaserWavelengthMicrons"] = read(fh, Float64)
dnp["LaserNullDoubling"] = read(fh, Uint32)
dnp["Padding"] = read(fh, Uint32)
dnp["DispersionConstantXc"] = read(fh, Float64)
dnp["DispersionConstantXm"] = read(fh, Float64)
dnp["DispersionConstantXb"] = read(fh, Float64)
dnp["NumChan"] = read(fh, Uint32)
dnp["InterferogramSize"] = read(fh, Uint32)
dnp["ScanDirection"] = read(fh, Uint32)
dnp["ACQUIREMODE"] = read(fh, Uint32)
dnp["EMISSIWITY"] = read(fh, Uint32)
dnp["APODIZATION"] = read(fh, Uint32)
dnp["ZEROFILL"] = read(fh, Uint32)
dnp["RUNTIMEMATH"] = read(fh, Uint32)
dnp["FFTSize"] = read(fh, Uint32)
dnp["NumberOfCoAdds"] = read(fh, Uint32)
dnp["SingleSided"] = read(fh, Uint32)
dnp["ChanDisplay"] = read(fh, Uint32)
dnp["AmbTemperature"] = read(fh, Float64)
dnp["InstTemperature"] = read(fh, Float64)
dnp["WBBTemperature"] = read(fh, Float64)
dnp["CBBTemperature"] = read(fh, Float64)
dnp["TEMPERATURE_DWR"] = read(fh, Float64)
dnp["EMISSIVITY_DWR"] = read(fh, Float64)
dnp["LaserTemperature"] = read(fh, Float64)
dnp["SpareI"] = read(fh, Uint32,10)
dnp["SpareF"] = read(fh, Float64,10)
dnp["SpareNA"] = bytestring(readbytes(fh,68))
dnp["SpareNB"] = bytestring(readbytes(fh,68))
dnp["SpareNC"] = bytestring(readbytes(fh,68))
dnp["SpareND"] = bytestring(readbytes(fh,68))
dnp["SpareNE"] = bytestring(readbytes(fh,68))
dnp["End"] = bytestring(readbytes(fh,4))
dnp["Interferograms"] = read(fh, Int16, dnp["InterferogramSize"], dnp["NumberOfCoAdds"])
fft_size = dnp["FFTSize"] * dnp["ZEROFILL"] * 512
dnp["Spectrum"] = read(fh, Float32, fft_size)
close(fh)
wavelength_range = 10000.0 / dnp["LaserWavelengthMicrons"]
spectral_range = wavelength_range / 2
spectral_binsize = spectral_range / fft_size
x_fft = [0:fft_size-1] * spectral_binsize
m = dnp["DispersionConstantXm"]
b = dnp["DispersionConstantXb"]
c = dnp["DispersionConstantXc"]
x_corrected = x_fft + c + exp10(m * x_fft + b)
dnp["WL_cm"] = x_corrected
dnp["WL_microns"] = 10000.0 ./ x_corrected
return dnp
end