Putting sub-ms precision into the header does not make sense, since the USB transfer only happens in time-slots of about 2 ms. To get better timing, you would need a hardware time clock in the FPGA, which does not exist right now. 
Best, 
Stefan 
	
		
			| Will Flanagan wrote: | 
		 
		
			| 
			 Dear DRS4 community, 
			Is there a way to extract timestamps with sub-ms precision? The milliseconds of an event is clearly given when unpacking the header. I would like to determine how far apart events are when they are within the same millisecond. 
			Thanks, 
			Will 
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