# Data 

## Arrival time data

The data in the time stamped ROOT files include the beam arrival time stored in the branch `Conversion.arrivalTime` as `TArrayF`. All events can be chained to get the contiuous beam arrival time stream.

In addition the delay stage position and temperature inside the BAM box is stored in `BAMData.root`:
* `DAQCollector.motor.actualValue`: Delay stage motor position in steps
* `DAQCollector.motor.encoder`: Delay stage motor encoder readback
* `DAQCollector.temperature.t1/t2`: Temperature measured inside the BAM box

## Low level RF performance measurements

The `*.dat` files includes measurements of the additive noise (phase noise and amplitude modulation) measuered with an [FSWP](https://www.rohde-schwarz.com/sg/products/test-and-measurement/phase-noise-analyzers/rs-fswp-phase-noise-analyzer-and-vco-tester_63493-120512.html).
The measurements were done by using the ELBE MO reference and the cavity probe signals of cavity LA2-RC01 (C3) and LA2-RC11 (C4).