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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>
22 Jul 1997 20:30:04 yearsecs  17526604
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.51  121.07  -55.18   72.67
    1.00  -64.95  136.07  -52.44   82.86
    2.00  -65.96  151.07  -51.96   93.86
    3.00  -66.97  166.07  -51.95  104.41
    4.00  -66.71  181.07  -51.12  114.29
    5.00  -67.53  196.07  -51.90  124.17
    6.00  -67.55  211.07  -52.49  133.84
    7.00  -67.51  226.07  -53.58  143.59
    8.00  -68.26  241.07  -55.88  153.05
    9.00  -68.08  256.07  -57.71  163.13
   10.00  -67.77  271.07  -59.82  173.64
   11.00  -67.58  286.07  -62.44  184.38
   12.00  -67.62  301.07  -65.70  195.28
   13.00  -67.87  316.07  -69.53  206.71
   14.00  -68.36  331.07  -73.72  219.50
   15.00  -69.06  346.07  -78.05  235.39
   16.00  -69.92    1.07  -82.10  259.58
   17.00  -70.64   16.07  -84.37  305.64
   18.00  -70.50   31.07  -82.18  352.82
   19.00  -69.95   46.07  -77.76   16.41
   20.00  -68.99   61.07  -72.63   30.16
   21.00  -68.05   76.07  -67.65   41.50
   22.00  -67.20   91.07  -63.05   52.18
   23.00  -66.36  106.07  -58.87   62.55
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.72  121.07  -60.45   78.46
    1.00  -71.77  136.07  -59.37   88.70
    2.00  -72.69  151.07  -58.76   98.23
    3.00  -77.27  166.07  -62.33  109.39
    4.00  -79.40  181.07  -63.98  117.41
    5.00  -79.73  196.07  -64.23  124.04
    6.00  -79.05  211.07  -63.84  130.82
    7.00  -78.34  226.07  -63.90  138.05
    8.00  -78.65  241.07  -65.36  144.63
    9.00  -78.40  256.07  -66.69  151.68
   10.00  -78.45  271.07  -68.65  158.13
   11.00  -78.30  286.07  -70.80  164.73
   12.00  -78.47  301.07  -73.46  169.97
   13.00  -78.24  316.07  -76.19  175.83
   14.00  -78.19  331.07  -79.24  179.89
   15.00  -77.93  346.07  -82.44  182.96
   16.00  -78.06    1.07  -85.61  173.88
   17.00  -77.80   16.07  -87.83  124.82
   18.00  -78.35   31.07  -85.40   78.56
   19.00  -78.11   46.07  -82.17   67.31
   20.00  -77.14   61.07  -78.41   63.09
   21.00  -75.24   76.07  -73.76   61.43
   22.00  -73.10   91.07  -68.60   63.98
   23.00  -71.52  106.07  -63.96   70.21
</PRE>


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