<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def decode_char_spot(raw_string):
 """Chop Line from DX-Cluster into pieces and return a dict with the spot data"""


    data = {}

    # Spotter callsign
    if re.match('[A-Za-z0-9\/]+[:$]', raw_string[6:15]):
        data[const.SPOTTER] = re.sub(':', '', re.match('[A-Za-z0-9\/]+[:$]', raw_string[6:15]).group(0))
    else:
        raise ValueError

    if re.search('[0-9\.]{5,12}', raw_string[10:25]):
        data[const.FREQUENCY] = float(re.search('[0-9\.]{5,12}', raw_string[10:25]).group(0))
    else:
        raise ValueError

    data[const.DX] = re.sub('[^A-Za-z0-9\/]+', '', raw_string[26:38])
    data[const.COMMENT] = re.sub('[^\sA-Za-z0-9\.,;\#\+\-!\?\$\(\)@\/]+', ' ', raw_string[39:69]).strip()
    data[const.TIME] = datetime.now().replace(tzinfo=UTC)

    return data