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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>
25 Sep 1997 17:29:00 yearsecs  23131740
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.35  166.80  -46.22  102.98
    1.00  -62.99  181.80  -47.37  114.13
    2.00  -64.15  196.80  -48.58  124.64
    3.00  -67.89  211.80  -52.86  134.25
    4.00  -67.43  226.80  -53.58  144.10
    5.00  -68.00  241.80  -55.73  153.69
    6.00  -67.83  256.80  -57.60  163.84
    7.00  -68.05  271.80  -60.19  173.84
    8.00  -69.02  286.80  -63.81  182.92
    9.00  -69.36  301.80  -67.32  192.86
   10.00  -69.16  316.80  -70.75  204.64
   11.00  -68.97  331.80  -74.40  218.65
   12.00  -69.01  346.80  -78.18  236.62
   13.00  -69.27    1.80  -81.62  263.79
   14.00  -69.75   16.80  -83.37  308.35
   15.00  -70.46   31.80  -81.97  354.29
   16.00  -70.35   46.80  -77.93   18.83
   17.00  -69.93   61.80  -73.33   33.52
   18.00  -71.10   76.80  -70.36   49.31
   19.00  -70.84   91.80  -66.43   59.52
   20.00  -70.04  106.80  -62.39   68.31
   21.00  -68.11  121.80  -57.73   75.90
   22.00  -64.73  136.80  -52.13   83.22
   23.00  -62.74  151.80  -48.59   92.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.35  166.80  -51.29  104.67
    1.00  -67.99  181.80  -52.39  115.01
    2.00  -69.15  196.80  -53.53  124.63
    3.00  -75.88  211.80  -60.70  132.28
    4.00  -78.26  226.80  -63.87  138.45
    5.00  -78.83  241.80  -65.59  144.75
    6.00  -78.12  256.80  -66.54  152.42
    7.00  -77.04  271.80  -67.67  161.16
    8.00  -77.11  286.80  -70.13  167.95
    9.00  -77.02  301.80  -72.80  174.82
   10.00  -76.67  316.80  -75.67  182.41
   11.00  -76.62  331.80  -78.98  188.70
   12.00  -76.80  346.80  -82.54  192.17
   13.00  -76.45    1.80  -86.21  196.80
   14.00  -76.10   16.80  -89.62   95.93
   15.00  -75.72   31.80  -85.69   40.92
   16.00  -75.35   46.80  -81.44   45.93
   17.00  -74.93   61.80  -77.19   52.30
   18.00  -76.10   76.80  -74.13   64.88
   19.00  -75.95   91.80  -70.69   71.62
   20.00  -75.27  106.80  -67.18   77.52
   21.00  -73.11  121.80  -62.66   82.02
   22.00  -69.73  136.80  -57.24   87.23
   23.00  -67.74  151.80  -53.71   95.38
</PRE>


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