## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 -39.371999979 -34.371999979 549620072.628 549620077.628
2 -34.371999979 -29.371999979 549620077.628 549620082.628
3 -29.371999979 -24.371999979 549620082.628 549620087.628
4 -24.371999979 -19.371999979 549620087.628 549620092.628
5 -19.371999979 -16.8993999958 549620092.628 549620095.101
6 -16.8993999958 30.2480000257 549620095.101 549620142.248