def convert_band(old_band):
    """
    
    Convert an old band string into a new string.
    
    NOTE: Only exists to support old data formats.
     
    """
    if old_band:
        old_band = old_band.strip() # Strip off superfluous white space
    if old_band == 'A':
        return 'SHORT'
    elif old_band == 'B':
        return 'MEDIUM'
    elif old_band == 'C':
        return 'LONG'
    else:
        # For any other value, return the same string
        return old_band