viewdat -i -d12,16:27,16:37,16:43,16:44 240923_P4-05/P4-05_all.T04 -o/tmp/p4-05_all.t04_1_info.txt
Traceback (most recent call last):
  File "/home/russ/Documents/projects/gnss-diff/env_diff/bin/proc_cno", line 33, in <module>
    sys.exit(load_entry_point('gnss-diff', 'console_scripts', 'proc_cno')())
  File "/home/russ/Documents/projects/gnss-diff/proc_cno.py", line 281, in main
    meta = vdl.meta_read(fname_path, viewdat, args.antenna, True)
  File "/home/russ/Documents/projects/gnss-diff/viewdat_cno_lib.py", line 101, in meta_read
    subprocess.run(cmd)
  File "/usr/lib/python3.10/subprocess.py", line 505, in run
    stdout, stderr = process.communicate(input, timeout=timeout)
  File "/usr/lib/python3.10/subprocess.py", line 1146, in communicate
    self.wait()
  File "/usr/lib/python3.10/subprocess.py", line 1209, in wait
    return self._wait(timeout=timeout)
  File "/usr/lib/python3.10/subprocess.py", line 1959, in _wait
    (pid, sts) = self._try_wait(0)
  File "/usr/lib/python3.10/subprocess.py", line 1917, in _try_wait
    (pid, sts) = os.waitpid(self.pid, wait_flags)
KeyboardInterrupt