If you ran 'sat_id' without command-line arguments,  it could access a NULL pointer and segfault.  Thanks go to Daniel Parrott for the bug report.
If you ran 'sat_id' without command-line arguments,  it could access a NULL pointer and segfault.  Thanks go to Daniel Parrott for the bug report.

Bill-Gray/sat_code,Bill-Gray/sat_code