To read this file, use the following settings in "Open special format":
Skip initial lines: 4, disable "repeated data"
X column: 4, Y column: 7
X is time value: H:M:S
2001-12-15 00:00:15 3310954
2001-12-15 00:00:45 3310965
2001-12-15 00:01:15 3310963
2001-12-15 00:01:45 3311029
2001-12-15 00:02:15 3311002
2001-12-15 00:02:45 3310990
2001-12-15 00:03:15 3311048
2001-12-15 00:03:45 3311001
2001-12-15 00:04:15 3311065
2001-12-15 00:04:45 3311068
2001-12-15 00:05:15 3311051
2001-12-15 00:05:45 3311089
2001-12-15 00:06:15 3311092
2001-12-15 00:06:45 3311052
2001-12-15 00:07:15 3310964
2001-12-15 00:07:45 3310934
2001-12-15 00:08:15 3310956
2001-12-15 00:08:45 3310930
2001-12-15 00:09:15 3310945
2001-12-15 00:09:45 3311000
2001-12-15 00:10:15 3310993
2001-12-15 00:10:45 3311025
2001-12-15 00:11:15 3311022
2001-12-15 00:11:45 3310900
2001-12-15 00:12:15 3310931
2001-12-15 00:12:45 3310945
2001-12-15 00:13:15 3310908
2001-12-15 00:13:45 3310935
2001-12-15 00:14:15 3311141
2001-12-15 00:14:45 3310875
2001-12-15 00:15:15 3310832
2001-12-15 00:15:45 3310816
2001-12-15 00:16:15 3310817
2001-12-15 00:16:45 3310813
2001-12-15 00:17:15 3310772
2001-12-15 00:17:45 3310796
2001-12-15 00:18:15 3310829
2001-12-15 00:18:45 3310866
2001-12-15 00:19:15 3310880
2001-12-15 00:19:45 3310871
2001-12-15 00:20:15 3310822
2001-12-15 00:20:45 3310762
2001-12-15 00:21:15 3310773
2001-12-15 00:21:45 3310841
2001-12-15 00:22:15 3310793
2001-12-15 00:22:45 3310794
2001-12-15 00:23:15 3310755
2001-12-15 00:23:45 3310683
2001-12-15 00:24:15 3310715
2001-12-15 00:24:45 3310671
2001-12-15 00:25:15 3310742
2001-12-15 00:25:45 3310715
2001-12-15 00:26:15 3310661
2001-12-15 00:26:45 3310678
2001-12-15 00:27:15 3310638
2001-12-15 00:27:45 3310612
2001-12-15 00:28:15 3310646
2001-12-15 00:28:45 3310676
2001-12-15 00:29:15 3310718
2001-12-15 00:29:45 3310738
2001-12-15 00:30:16 3310726
2001-12-15 00:30:45 3310727
2001-12-15 00:31:16 3310723
2001-12-15 00:31:46 3310728
2001-12-15 00:32:16 3310682
2001-12-15 00:32:46 3310703
2001-12-15 00:33:16 3310727
2001-12-15 00:33:46 3310709
2001-12-15 00:34:16 3310773
2001-12-15 00:34:46 3310831
2001-12-15 00:35:16 3310830
2001-12-15 00:35:46 3310815
2001-12-15 00:36:16 3310914
2001-12-15 00:36:46 3310972
2001-12-15 00:37:16 3310910
2001-12-15 00:37:46 3310980
2001-12-15 00:38:16 3310803
2001-12-15 00:38:46 3310789
2001-12-15 00:39:16 3310789
2001-12-15 00:39:46 3310733
2001-12-15 00:40:16 3310769
2001-12-15 00:40:46 3310703
2001-12-15 00:41:16 3310687
2001-12-15 00:41:46 3310673
2001-12-15 00:42:16 3310758
2001-12-15 00:42:46 3310697
2001-12-15 00:43:16 3310729
2001-12-15 00:43:46 3310788
2001-12-15 00:44:16 3310782
2001-12-15 00:44:46 3310807
2001-12-15 00:45:16 3310770
2001-12-15 00:45:46 3310723
2001-12-15 00:46:16 3310777
2001-12-15 00:46:46 3310814
2001-12-15 00:47:16 3311752
2001-12-15 00:47:46 3312561
2001-12-15 00:48:16 3312957
2001-12-15 00:48:46 3312662
2001-12-15 00:49:16 3312735
2001-12-15 00:49:46 3312831
2001-12-15 00:50:16 3312817
2001-12-15 00:50:46 3312809
2001-12-15 00:51:16 3312823
2001-12-15 00:51:46 3312771
2001-12-15 00:52:16 3312843
2001-12-15 00:52:46 3312874
2001-12-15 00:53:16 3312754
2001-12-15 00:53:46 3312768
2001-12-15 00:54:16 3312731
2001-12-15 00:54:46 3312716
2001-12-15 00:55:16 3312768
2001-12-15 00:55:46 3312775
2001-12-15 00:56:16 3312748
2001-12-15 00:56:46 3312621
2001-12-15 00:57:16 3312579
2001-12-15 00:57:46 3312567
2001-12-15 00:58:16 3312634
2001-12-15 00:58:46 3312564
2001-12-15 00:59:16 3312537
2001-12-15 00:59:46 3312522
2001-12-15 01:00:16 3312555
2001-12-15 01:00:46 3312554
2001-12-15 01:01:16 3312560
2001-12-15 01:01:46 3312594
2001-12-15 01:02:16 3312652
2001-12-15 01:02:46 3312574
2001-12-15 01:03:16 3312529