I want RTC. Say I capture some packets. I want a timestamp on it when I archive them. Because else I need to remember from when it was manually. This is why I

I want RTC. Say I capture some packets. I want a timestamp on it when I archive them. Because else I need to remember from when it was manually. This is why I added a RTC to my RPi3 + battery pack + HackRF + Portapack. Anything the RPi3 does must have proper timestamps.