## spectrum_num t_start_since_trig t_stop_since_trig t_start_met t_stop_met
1 153.712000012 158.712000012 392982449.712 392982454.712
2 158.712000012 161.700600028 392982454.712 392982457.701
3 161.700600028 277.39200002 392982457.701 392982573.392