-- mis-timed records, many in early Jan '99, fewer in late Jan '99

          Date           Sample anomaly time
      ----------------   -----------------------
      1999-01-04 (004)   1999-01-04T13:14:42.764
      1999-01-04 (009)   1999-01-09T00:26:40.251
      1999-01-20 (020)   1999-01-20T05:47:20.883

-- some mis-timed and seemengly bogus values in Aug and Sep '99

          Date           Sample anomaly time
      ----------------   -----------------------
      1999-08-17 (229)   1999-08-17T21:01:24.483
      1999-08-24 (236)   1999-08-24T20:51:44.513
      1999-09-13 (256)   1999-09-13T13:28:53.333

-- record time spans overlap by a few seconds (1, 2, or 8 sec) 

          Date           Sample anomaly time
      ----------------   -----------------------
      2003-12-22
      2003-12-23
      2003-12-24 (358)   2003-12-24T14:01:52.543
      2003-12-25 (359)   2003-12-25T19:25:42.853
      2003-12-26
      2003-12-27 (361)   2003-12-27T09:49:38.951

      2004-02-10 (041)   2004-02-10T12:03:28.533
      2004-02-12
      2004-02-27 (058)   2004-02-27T11:33:00.962
      2004-03-13 (073)   2004-03-13T13:04:22.471
      2004-05-16
      2004-05-17
      2004-05-19