User`s guide

* Bytes i.d. = instrument-dependent
Table B-4b. SDF_DATA_HDR (Data Header record)
Field
Index
Binary
Index*
Field Name/Description
Data
Type
Range/
Units
6
(cont.)
dataType (continued)
37=tachometer data
38=limit line data
39=twelfth octave data
40=S11 data
41=S21 data
42=S12 data
43=S22 data
44=PSD data
45=decimated time data
46=overload data
47=compressed time data
48=external trigger data
49=pressure data
50=intensity data
51=PI index data
52=velocity data
53=PV index data
54=sound power data
55=field indicator data
56=partial power data
57=Ln 1 data
58=Ln 10 data
59=Ln 50 data
60=Ln 90 data
61=Ln 99 data
62=Ln user data
63=T20 data
64=T30 data
65=RT60 data
66=average count data
68= IQ measured time
69= IQ measured spectrum
70= IQ reference time
71= IQ reference spectrum
72= IQ error magnitude
73= IQ error phase
74= IQ error vector time
75= IQ error vector spectrum
76= symbol table data
731:32
num_of_pointsOld*** short
8 33:34 last_valid_indexOld*** short
9 35:38 abscissa_firstXOld** float
10 39:42 abscissa_deltaXOld** float
* Bytes ** Prior to version 2.0 *** Prior to version 3.0 i.d. = instrument-dependent
Standard Data Format (SDF)
B-14