# CheckFox Log Data Interpretation

## Example

The following data is uploaded to the dashboard shortly after the Sigfox message is transmitted from the device. Each value is separated by a comma (“,”): `LOGdata-02:0A04,08.04.2018,11:13:55,N50d00.5113,E014d43.5021,0,050,00405,360,100,808040,808040,4,4.0,22,ABCDEFGH`

## Example data parsing

| DATA         | PARSING                                                                    |
| ------------ | -------------------------------------------------------------------------- |
| 0A04         | Message sequence number (0-65535)                                          |
| 08.04.2018   | Date (day.month.year)                                                      |
| 11:13:55     | Time (hours:minutes:seconds)                                               |
| N50d00.5113  | Latitude (where N=North, S=South, d=degree and 00.5113 are the minutes)    |
| E014d43.5021 | Longitude (where E=East, W=West, d=degree and 43.5021 are the minutes)     |
| 0            | GPS fix (boolean, 1 means that a valid realtime GPS position was acquired) |
| 050          | Speed in km/h                                                              |
| 00405        | Altitude in meters over WGS84 Earth approximation model                    |
| 360          | Course (azimuth of movement acquired from the GPS receiver)                |
| 100          | Horizontal dilution of precision                                           |
| 808040\*     | Minimal value from the accelerometer at the time of Sigfox transmission    |
| 808040\*     | Maximal value from the accelerometer at the time of Sigfox transmission    |
| 4            | GSM signal strength (0-5, 0 means no GSM connection)                       |
| 4.0          | Battery voltage (proper operating range is from 3.6V to 4.3V)              |
| 22           | Temperature measured internally by a sensor                                |
| ABCDEFGH     | *See the parsing for these letters below*                                  |

{% hint style="info" %}
\*Accelerometer data can be used to determine unwanted movement during Sigfox transmission (which can negatively affect the RF performance).
{% endhint %}

## Parsing the last 4 bytes (8 letters ABCDEFGH) of the payload

### LETTER A (Main menu selection)

| VALUE | PARSING                 |
| ----- | ----------------------- |
| 1     | Outdoor above 1m        |
| 2     | Outdoor 1m reference    |
| 3     | Outdoor 0m ground level |
| 4     | Indoor                  |
| 5     | Deep indoor             |

### LETTER B (Measurement type)

| VALUE | PARSING                           |
| ----- | --------------------------------- |
| 1     | Survey 1x immediately             |
| 2     | Survey 1x delayed                 |
| 3     | Final 6x immediately              |
| 4     | Final 6x delayed                  |
| 5     | Downlink test                     |
| 6     | Periodic measurement 1min + GPS   |
| 7     | Periodic measurement 10min + GPS  |
| 8     | Periodic measurement 60min + GPS  |
| 9     | Periodic measurement 10min no GPS |
| A     | Periodic measurement 60min no GPS |
| B     | Audit 100x immediately            |
| C     | Audit 100x delayed                |

### LETTERS CD (Messages)

| VALUE     | PARSING                                           |
| --------- | ------------------------------------------------- |
| 0x01-0xFF | Number of messages sent in the present test batch |

### LETTERS EF (Sequence number)

| VALUE     | PARSING                                  |
| --------- | ---------------------------------------- |
| 0x01-0xFF | Actual message counter (sequence number) |

### LETTERS GH

*(reserved)*


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