File format for Helmer GPS locator

The file format of 'p_data.txt' is CSV. Unfortunately, the columns do not have a label. The inferred meaning of the columns follow in hope that it will save someone a few minutes:

1. IMEI
2. The operation mode (monitor/tracker)
3. Timestamp in YYMMDDHH24MISS format
4. ?
5. ?
6. Time in HH24MISS format
7. ?
8. Latitude in Degrees Decimal Minutes format
9. Latitude hemisphere (N/S)
10. Longitude in Degrees Decimal Minutes format
11. Longitude hemisphere (E/W)
12. Speed
13. Direction in degrees