Wavecom W74PC V8.7.0 - Manual (Page 343)

WAVECOM Decoder W74PC, W-PCI/e, W-CODE, W-CLOUD Manual V8.7.0 WAVECOM Data Formats
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A data package in the .WDA file contains the data of all data points of one line in the graphic. The data
points are stored in long values(4-bit type), that is 4 Bytes in the .WDA file contains the value of one data
point in the graphic.