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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>
13 Sep 1997 14:51:48 yearsecs  22085508
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.24  211.15  -44.46  135.19
    1.00  -59.87  226.15  -46.36  146.15
    2.00  -60.49  241.15  -48.71  157.10
    3.00  -61.11  256.15  -51.42  168.09
    4.00  -60.42  271.15  -53.25  180.20
    5.00  -61.39  286.15  -56.93  191.36
    6.00  -62.66  301.15  -61.33  202.25
    7.00  -63.51  316.15  -65.75  214.23
    8.00  -63.84  331.15  -69.83  228.92
    9.00  -63.24  346.15  -72.78  249.21
   10.00  -62.78    1.15  -74.97  275.61
   11.00  -62.59   16.15  -75.36  307.60
   12.00  -62.63   31.15  -73.27  337.50
   13.00  -62.89   46.15  -69.85    0.34
   14.00  -63.37   61.15  -66.36   18.31
   15.00  -64.08   76.15  -63.30   34.06
   16.00  -65.01   91.15  -60.72   48.71
   17.00  -66.16  106.15  -58.65   62.36
   18.00  -66.19  121.15  -55.87   73.42
   19.00  -65.40  136.15  -52.90   83.26
   20.00  -63.80  151.15  -49.74   92.75
   21.00  -62.67  166.15  -47.59  102.94
   22.00  -61.05  181.15  -45.43  113.35
   23.00  -59.91  196.15  -44.37  124.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.30  211.15  -58.10  132.66
    1.00  -73.97  226.15  -59.70  140.79
    2.00  -74.82  241.15  -61.87  148.42
    3.00  -75.47  256.15  -64.20  155.75
    4.00  -77.00  271.15  -67.55  160.94
    5.00  -78.08  286.15  -70.67  165.30
    6.00  -78.22  301.15  -73.35  170.80
    7.00  -77.75  316.15  -76.02  177.88
    8.00  -78.16  331.15  -79.25  180.08
    9.00  -78.26  346.15  -82.44  180.28
   10.00  -77.94    1.15  -85.68  175.40
   11.00  -77.57   16.15  -88.08  124.28
   12.00  -77.25   31.15  -85.82   63.93
   13.00  -77.10   46.15  -82.10   59.13
   14.00  -76.94   61.15  -78.32   62.00
   15.00  -76.50   76.15  -74.52   66.06
   16.00  -76.42   91.15  -71.17   72.62
   17.00  -75.64  106.15  -67.62   77.95
   18.00  -75.39  121.15  -64.89   85.06
   19.00  -75.45  136.15  -62.97   92.78
   20.00  -74.98  151.15  -61.03  100.10
   21.00  -73.81  166.15  -58.85  107.48
   22.00  -73.79  181.15  -58.25  115.84
   23.00  -72.90  196.15  -57.26  124.21
</PRE>


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