## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 -20.6480000019 -15.6480000019 258627971.352 258627976.352
2 -15.6480000019 -10.6480000019 258627976.352 258627981.352
3 -10.6480000019 -9.69940000772 258627981.352 258627982.301
4 -9.69940000772 74.8079999983 258627982.301 258628066.808