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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>
09 Mar 1997 22:31:13 yearsecs   5869873
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.31   96.98  -58.66   52.55
    1.00  -64.62  111.98  -55.88   64.94
    2.00  -65.73  126.98  -54.48   77.12
    3.00  -66.87  141.98  -53.75   88.32
    4.00  -66.83  156.98  -52.39   98.30
    5.00  -67.94  171.98  -52.65  108.64
    6.00  -68.42  186.98  -52.75  118.40
    7.00  -69.47  201.98  -53.97  127.84
    8.00  -71.41  216.98  -56.58  136.57
    9.00  -73.08  231.98  -59.35  144.58
   10.00  -73.45  246.98  -61.28  152.87
   11.00  -71.66  261.98  -61.72  163.53
   12.00  -70.60  276.98  -63.29  174.22
   13.00  -70.02  291.98  -65.71  184.91
   14.00  -69.86  306.98  -68.92  195.65
   15.00  -70.07  321.98  -72.75  206.75
   16.00  -70.37  336.98  -76.79  219.86
   17.00  -70.18  351.98  -80.38  240.29
   18.00  -70.08    6.98  -83.20  274.97
   19.00  -69.15   21.98  -82.32  324.43
   20.00  -68.05   36.98  -78.23  356.48
   21.00  -66.99   51.98  -73.07   15.22
   22.00  -66.23   66.98  -68.12   29.43
   23.00  -65.41   81.98  -63.36   41.53
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.69   96.98  -65.11   62.78
    1.00  -71.98  111.98  -63.25   74.60
    2.00  -72.89  126.98  -61.68   84.68
    3.00  -78.45  141.98  -65.23   99.32
    4.00  -80.40  156.98  -65.96  107.93
    5.00  -80.88  171.98  -65.74  114.33
    6.00  -80.33  186.98  -64.85  120.22
    7.00  -79.48  201.98  -64.04  126.65
    8.00  -79.68  216.98  -64.72  133.13
    9.00  -79.83  231.98  -65.72  139.44
   10.00  -79.75  246.98  -66.89  145.81
   11.00  -79.60  261.98  -68.36  152.17
   12.00  -79.69  276.98  -70.36  157.77
   13.00  -79.38  291.98  -72.41  163.94
   14.00  -79.08  306.98  -74.82  169.76
   15.00  -78.79  321.98  -77.53  174.94
   16.00  -78.50  336.98  -80.51  178.80
   17.00  -78.21  351.98  -83.68  179.22
   18.00  -79.20    6.98  -85.78  150.39
   19.00  -79.40   21.98  -85.87  107.77
   20.00  -78.53   36.98  -84.12   74.55
   21.00  -76.60   51.98  -80.50   56.89
   22.00  -73.64   66.98  -74.98   50.20
   23.00  -71.92   81.98  -69.76   55.17
</PRE>


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