Settings

The settings page of the user interface.

Sensor settings can be changed in the Settings tab. Entries in this tab are populated once a sensor connects and then whenever a tab other than the Settings tab is selected in the user interface. Once the Settings tab is selected, the most recent values are shown. The following settings can be adjusted:

  • Sensor Name: Each sensor can be assigned a name. This name is used to create an HDF5 file name unique to each sensor.

  • Motion-Activated: When this setting is activated, data is only collected when the sensor is in motion (GPS speed larger than 3 km/h). If the setting is off, data is stored whenever the data tag is not on DIscard and a GPS fix is available.

  • Power to Sensor: This turns on power to the sensor. The sensor takes approximately 10 seconds to boot up and acquire the first spectra.

  • Frequency (MHz): This setting should be between 1400 and 1440 MHz to stay within the frequency range for the antenna. However, the correlator will still function outside this range.

  • LPF Select: This selects the bandwidth. A value of 3 results in the widest bandpass of 12 MHz. Values of 2 and below reduce the bandwidth. This could be useful in cases of strong radio interference when a narrow frequency band results in more stable output levels.

  • Stationary Testing: This is a testing mode where the sensor gathers data for five minutes at regular intervals of 15, 30, or 60 minutes and then goes on standby for the remaining time. Although the interval can be modified, it cannot be done by the user. To make this function work, it is crucial to have a GPS fix, as the GPS clock regulates the timing.

After modifying the settings, clicking the Submit button is crucial; otherwise, the changes will not be sent to the sensor control unit.

After making changes to the settings, the user must remember to hit the Submit button to ensure the new settings are sent to the control unit.

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