High Altitude Science Eagle Flight Computer Manual - Page 5
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Analyzing Your Data
Your data gets saved to a comma delimited .txt file on your micro SD card. To read the data, simply remove the
micro SD card from the flight computer (by pushing it in until you hear a click and releasing it), insert it into an
SD card adapter, and slide the SD card adapter into the SD slot found on most laptops. If your computer
doesn't have an SD card reader, you can find micro SD to USB converters at most stores that carry digital
cameras. Navigate to the SD card on your computer and double-click on the .txt file. Your data should look
similar to the following:
Your data will have anywhere from two to four columns (the above example has three). The first column of
data is always GPS data. The last column is always Computer Health data that we at High Altitude Science use
internally to trouble shoot your computer in the unlikely event that it experiences an in-flight failure.
Depending on whether you connect one or two sensor modules to the Sensor Ports, you will have either one
or two columns of sensor data between the GPS and Computer Health data.
Transferring Your Data into a Microsoft Excel File
1. Open a new file in Microsoft Excel.
2. Go to File and click Open.
3. Select All Files in the Files of Type drop down menu.
4. Navigate to your .txt file, select it, and click Open. This will open the Text Import Wizard window.
5. Make sure Delimited is selected and click Next.
6. Under the Delimiters menu select Comma only.
7. Click Finish. All your data will now neatly appear in their own separate rows and columns in a
Microsoft Excel file.
Basic Trouble Shooting
If the System LED never flashes after powering on the flight computer:
1. Verify the batteries are inserted into the battery pack correctly.
2. Verify all connections between the battery pack and the flight computer.
3. Verify that you connected the black wire to the "-" terminal and the red wire to the "+" terminal.
4. Verify that you are using fresh batteries.
If the System LED only flashes once or twice every six seconds even though one or two sensors are connected
to the sensor ports:
1. Verify all connections between the sensors and the flight computer.
2. Unpower the flight computer and power it back on with the sensors connected. The flight computer
will not detect any sensors if they are connected after the flight computer is powered on.
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Eagle Flight Computer Manual V1.0 – Page 5