Try from a command line window
hackrf_info
This will give the serial number - but if you only have one HackRF
device you don't need it - leave the device blank.
But for future reference, the serial number should look like this
14d463dc2f2136e1
The number you want to use is
My first attempt at using GNU Radio Companion produced this error log:
-- begin error log --
<<< Welcome to GNU Radio Companion 3.7.13.4 >>>
Block paths:
G:\GNURadio-3.7\share\gnuradio\grc\blocks
Loading: "C:\Users\Cliff\Documents\lesson1.grc"
>>> Done
Generating:
