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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>
23 Jun 1997 14:37:52 yearsecs  14999872
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.07  220.51  -47.93  141.44
    1.00  -62.64  235.51  -50.04  152.01
    2.00  -63.22  250.51  -52.53  162.61
    3.00  -63.79  265.51  -55.35  173.27
    4.00  -63.32  280.51  -57.59  185.04
    5.00  -64.55  295.51  -61.77  195.34
    6.00  -65.08  310.51  -65.75  206.84
    7.00  -65.10  325.51  -69.55  220.70
    8.00  -65.59  340.51  -73.70  236.91
    9.00  -65.29  355.51  -76.65  260.87
   10.00  -64.86   10.51  -77.95  293.62
   11.00  -64.66   25.51  -76.74  328.32
   12.00  -64.68   40.51  -73.52  355.25
   13.00  -64.93   55.51  -69.76   14.97
   14.00  -65.40   70.51  -66.26   31.15
   15.00  -66.09   85.51  -63.23   45.73
   16.00  -67.02  100.51  -60.72   59.24
   17.00  -68.16  115.51  -58.86   71.66
   18.00  -68.17  130.51  -56.48   81.77
   19.00  -67.49  145.51  -54.02   91.09
   20.00  -66.09  160.51  -51.39  100.33
   21.00  -64.99  175.51  -49.54  110.17
   22.00  -63.72  190.51  -48.05  120.30
   23.00  -62.55  205.51  -47.33  130.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.33  220.51  -56.75  138.70
    1.00  -72.37  235.51  -59.03  147.06
    2.00  -73.35  250.51  -61.62  154.98
    3.00  -74.32  265.51  -64.52  162.30
    4.00  -76.85  280.51  -68.89  165.64
    5.00  -77.90  295.51  -72.15  169.61
    6.00  -77.43  310.51  -74.74  177.04
    7.00  -76.79  325.51  -77.63  185.45
    8.00  -77.48  340.51  -81.18  185.97
    9.00  -77.46  355.51  -84.59  185.60
   10.00  -77.46   10.51  -87.71  160.10
   11.00  -77.26   25.51  -87.11   72.31
   12.00  -76.90   40.51  -83.51   56.82
   13.00  -76.76   55.51  -79.66   59.10
   14.00  -76.85   70.51  -76.03   65.10
   15.00  -76.41   85.51  -72.36   69.99
   16.00  -76.26  100.51  -69.18   76.59
   17.00  -74.79  115.51  -65.24   81.16
   18.00  -74.57  130.51  -62.82   88.75
   19.00  -75.25  145.51  -61.80   97.39
   20.00  -74.68  160.51  -60.05  104.88
   21.00  -72.80  175.51  -57.41  112.36
   22.00  -72.18  190.51  -56.51  120.93
   23.00  -71.30  205.51  -55.90  129.78
</PRE>


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