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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Mar 1997 03:21:36 yearsecs   7442496
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.38   22.16  -68.53  319.56
    1.00  -58.66   37.16  -66.79  343.77
    2.00  -59.41   52.16  -63.67    3.10
    3.00  -67.27   67.16  -69.20   31.81
    4.00  -67.44   82.16  -65.46   45.37
    5.00  -68.00   97.16  -62.46   58.23
    6.00  -67.83  112.16  -59.15   68.91
    7.00  -67.76  127.16  -56.53   79.14
    8.00  -68.21  142.16  -55.10   89.41
    9.00  -68.52  157.16  -54.08   99.29
   10.00  -68.45  172.16  -53.15  108.92
   11.00  -68.79  187.16  -53.12  118.56
   12.00  -69.04  202.16  -53.55  127.99
   13.00  -69.30  217.16  -54.56  137.31
   14.00  -69.25  232.16  -55.81  146.76
   15.00  -69.18  247.16  -57.47  156.42
   16.00  -69.09  262.16  -59.52  166.29
   17.00  -68.99  277.16  -61.94  176.41
   18.00  -70.50  292.16  -66.14  184.23
   19.00  -70.71  307.16  -69.64  194.00
   20.00  -69.46  322.16  -72.33  208.41
   21.00  -66.74  337.16  -73.90  230.18
   22.00  -62.49  352.16  -73.26  259.75
   23.00  -59.66    7.16  -72.13  290.33
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.38   22.16  -74.56  320.27
    1.00  -63.66   37.16  -73.14  348.60
    2.00  -64.41   52.16  -70.06   10.18
    3.00  -72.27   67.16  -73.90   45.49
    4.00  -74.86   82.16  -72.05   63.48
    5.00  -75.18   97.16  -68.99   72.35
    6.00  -73.88  112.16  -64.99   77.80
    7.00  -72.76  127.16  -61.52   84.62
    8.00  -73.21  142.16  -60.12   93.61
    9.00  -73.52  157.16  -59.12  102.28
   10.00  -73.45  172.16  -58.20  110.68
   11.00  -73.79  187.16  -58.16  119.19
   12.00  -74.38  202.16  -58.87  127.47
   13.00  -74.32  217.16  -59.43  135.67
   14.00  -74.25  232.16  -60.47  143.94
   15.00  -74.18  247.16  -61.95  152.29
   16.00  -74.09  262.16  -63.84  160.74
   17.00  -73.99  277.16  -66.11  169.26
   18.00  -75.50  292.16  -69.97  174.30
   19.00  -75.71  307.16  -73.11  181.23
   20.00  -74.46  322.16  -75.74  193.38
   21.00  -71.74  337.16  -77.81  215.04
   22.00  -67.49  352.16  -78.08  249.72
   23.00  -64.66    7.16  -77.55  286.04
</PRE>


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