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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
19 Apr 1997 05:45:06 yearsecs   9351906
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.85  345.19  -69.23  252.63
    1.00  -60.53    0.19  -72.49  276.29
    2.00  -61.22   15.19  -73.83  305.91
    3.00  -61.90   30.19  -72.59  335.26
    4.00  -60.98   45.19  -67.68  356.66
    5.00  -62.00   60.19  -64.90   15.17
    6.00  -63.12   75.19  -62.42   31.63
    7.00  -63.75   90.19  -59.57   46.01
    8.00  -64.26  105.19  -56.84   59.18
    9.00  -63.61  120.19  -53.35   70.18
   10.00  -63.19  135.19  -50.73   80.96
   11.00  -63.00  150.19  -48.99   91.65
   12.00  -63.03  165.19  -48.00  102.38
   13.00  -63.28  180.19  -47.69  113.06
   14.00  -63.76  195.19  -48.15  123.53
   15.00  -64.46  210.19  -49.45  133.76
   16.00  -65.39  225.19  -51.52  143.75
   17.00  -64.99  240.19  -52.79  154.26
   18.00  -64.63  255.19  -54.50  165.11
   19.00  -64.95  270.19  -57.18  175.76
   20.00  -64.16  285.19  -59.25  187.79
   21.00  -62.16  300.19  -60.66  202.05
   22.00  -61.61  315.19  -63.76  215.96
   23.00  -60.16  330.19  -66.11  233.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.48  345.19  -74.70  243.60
    1.00  -66.06    0.19  -78.20  268.55
    2.00  -66.96   15.19  -80.31  304.09
    3.00  -67.62   30.19  -79.29  342.27
    4.00  -69.66   45.19  -77.73   14.23
    5.00  -71.52   60.19  -75.19   37.19
    6.00  -71.79   75.19  -71.37   49.99
    7.00  -71.24   90.19  -67.17   59.25
    8.00  -72.15  105.19  -64.72   70.74
    9.00  -72.41  120.19  -62.24   80.13
   10.00  -72.29  135.19  -60.00   88.72
   11.00  -72.02  150.19  -58.16   97.22
   12.00  -71.80  165.19  -56.88  105.93
   13.00  -71.85  180.19  -56.32  114.83
   14.00  -71.81  195.19  -56.16  123.66
   15.00  -71.33  210.19  -56.12  132.57
   16.00  -71.32  225.19  -57.10  141.51
   17.00  -69.99  240.19  -57.35  151.43
   18.00  -69.63  255.19  -58.96  161.26
   19.00  -69.95  270.19  -61.55  170.66
   20.00  -69.16  285.19  -63.61  181.64
   21.00  -67.16  300.19  -65.11  195.33
   22.00  -66.79  315.19  -68.40  208.01
   23.00  -65.16  330.19  -70.78  225.51
</PRE>


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