+-----------+-------+------------+-----------+------------+
+ Mars_year | Lsubs | approx ock | mgs_sclk  | utc        +
+-----------+-------+------------+-----------+------------+
|        24 |   103 |       1583 | 604699714 | 1999-02-28 |
|        24 |   180 |       3456 | 617922389 | 1999-07-31 |
|        24 |   270 |       5251 | 630593257 | 1999-12-25 |
|        25 |     0 |       7188 | 644265740 | 2000-05-31 |
|        25 |    90 |       9619 | 661428669 | 2000-12-16 |
|        25 |   180 |      11862 | 677274965 | 2001-06-17 |
|        25 |   270 |      13655 | 689943203 | 2001-11-11 |
|        26 |     0 |      15591 | 703618986 | 2002-04-18 |
|        26 |    90 |      18021 | 720781433 | 2002-11-03 |
|        26 |   180 |      20266 | 736635715 | 2003-05-05 |
|        26 |   270 |      22060 | 749304383 | 2003-09-29 |
|        27 |     0 |      23994 | 762967648 | 2004-03-05 |
|        27 |    90 |      26480 | 780532107 | 2004-09-24 |
|        27 |   180 |      28667 | 795983380 | 2005-03-22 | End of Spectrometer data
|        27 |   270 |      30459 | 808643677 | 2005-08-16 |
|        28 |     0 |      32395 | 822320324 | 2006-01-21 |
|        28 |    90 |      34825 | 839486452 | 2006-08-08 |
|        28 |   121 |      35686 | 845568757 | 2006-10-17 |
+-----------+-------+------------+-----------+------------+