HP 8719ET Reference Manual page 262

Understanding the CITIfile Data Format
The CITIfile Data Format
END
BEGIN
4.45404E-1,4.31518E-1
8.34777E-1,-1.33056E-1
-7.09137E-1,5.58410E-1
4.84252E-1,-8.07098E-1
END
When an instrument's frequency list mode is used, as it was in Example 4, a list of
frequencies is stored in the file after the VAR_LIST_BEGIN statement. The unsorted
frequency list segments used by this instrument to create the VAR_LIST_BEGIN data are
defined in the #NA ARB_SEG statements.
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