## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 -21.2560000122 -16.2560000122 258627970.744 258627975.744
2 -16.2560000122 -11.2560000122 258627975.744 258627980.744
3 -11.2560000122 -9.69940000772 258627980.744 258627982.301
4 -9.69940000772 74.8079999983 258627982.301 258628066.808