What is the 4294A's GPIB command to read sweep frequency data though OUTPDATA command transfers only measurement data?
"OUTPSWPRM" or "OUTPSWPRMP" are the commands to read out the sweep parameters according to the number of points. IntuiLink is also available to retrieve both sweep parameters and measurement data.
Please refer to FAQ titled "
What is the easiest way to transfer measurement data from the 4294A to an external PC?