gr_plot_const(1) on Linux
The text 63ca8e32138a, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
constellation plot of I&Q data using GNU Radio
Flags it lists
-
--block -
--help -
--sample-rate -
--start -
-B -
-R -
-h -
-s