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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 22:59:45 yearsecs  15029985
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.73   82.72  -62.42   41.03
    1.00  -64.90   97.72  -59.12   53.99
    2.00  -65.96  112.72  -57.13   67.04
    3.00  -67.00  127.72  -55.68   78.80
    4.00  -66.78  142.72  -53.58   88.75
    5.00  -67.62  157.72  -53.13   99.19
    6.00  -67.63  172.72  -52.30  109.03
    7.00  -67.41  187.72  -51.73  118.76
    8.00  -67.44  202.72  -51.99  128.47
    9.00  -68.16  217.72  -53.51  137.98
   10.00  -68.73  232.72  -55.37  147.38
   11.00  -68.09  247.72  -56.56  157.56
   12.00  -67.98  262.72  -58.63  167.72
   13.00  -68.14  277.72  -61.32  177.83
   14.00  -68.55  292.72  -64.64  187.74
   15.00  -69.20  307.72  -68.57  197.50
   16.00  -70.04  322.72  -72.92  207.45
   17.00  -70.83  337.72  -77.31  219.05
   18.00  -70.61  352.72  -80.90  239.66
   19.00  -70.07    7.72  -83.28  277.29
   20.00  -69.07   22.72  -82.15  326.48
   21.00  -68.07   37.72  -78.07  357.83
   22.00  -67.10   52.72  -72.99   16.36
   23.00  -65.48   67.72  -67.08   28.65
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.73   82.72  -67.59   50.54
    1.00  -70.80   97.72  -65.04   63.49
    2.00  -71.79  112.72  -62.94   74.77
    3.00  -76.41  127.72  -64.91   89.89
    4.00  -78.69  142.72  -65.39   99.97
    5.00  -79.02  157.72  -64.56  106.88
    6.00  -78.28  172.72  -63.07  113.14
    7.00  -77.58  187.72  -62.02  120.05
    8.00  -77.87  202.72  -62.41  127.26
    9.00  -77.78  217.72  -62.86  134.46
   10.00  -77.97  232.72  -64.03  141.45
   11.00  -77.77  247.72  -65.22  148.71
   12.00  -77.92  262.72  -67.11  155.43
   13.00  -77.66  277.72  -69.04  162.66
   14.00  -77.63  292.72  -71.50  169.21
   15.00  -77.33  307.72  -74.13  176.27
   16.00  -77.53  322.72  -77.30  181.03
   17.00  -77.24  337.72  -80.50  187.00
   18.00  -77.70  352.72  -83.93  183.97
   19.00  -77.35    7.72  -87.30  172.26
   20.00  -76.30   22.72  -88.15   54.84
   21.00  -74.24   37.72  -83.45   29.68
   22.00  -72.10   52.72  -77.76   32.54
   23.00  -70.48   67.72  -72.21   40.38
</PRE>


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