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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>
19 Sep 1997 13:37:32 yearsecs  22599452
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.64  227.83  -51.07  145.82
    1.00  -64.89  242.83  -53.03  156.16
    2.00  -65.96  257.83  -56.08  166.03
    3.00  -67.04  272.83  -59.48  175.63
    4.00  -66.96  287.83  -62.25  186.46
    5.00  -68.02  302.83  -66.45  195.95
    6.00  -68.47  317.83  -70.46  206.97
    7.00  -69.53  332.83  -75.10  218.15
    8.00  -71.00  347.83  -80.00  230.44
    9.00  -70.42    2.83  -82.89  261.88
   10.00  -69.54   17.83  -83.10  311.77
   11.00  -68.82   32.83  -80.04  350.77
   12.00  -68.43   47.83  -75.76   13.83
   13.00  -68.35   62.83  -71.50   30.21
   14.00  -68.58   77.83  -67.72   44.12
   15.00  -69.11   92.83  -64.54   56.91
   16.00  -69.64  107.83  -61.80   68.41
   17.00  -69.64  122.83  -59.09   78.28
   18.00  -69.67  137.83  -57.06   87.83
   19.00  -68.86  152.83  -54.75   96.71
   20.00  -67.89  167.83  -52.79  105.92
   21.00  -67.16  182.83  -51.53  115.53
   22.00  -66.60  197.83  -51.02  125.32
   23.00  -65.76  212.83  -50.87  135.33
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.20  227.83  -56.27  143.61
    1.00  -71.47  242.83  -59.00  152.05
    2.00  -72.36  257.83  -61.73  160.27
    3.00  -78.05  272.83  -68.59  159.70
    4.00  -80.03  287.83  -72.14  160.65
    5.00  -80.50  302.83  -74.68  163.35
    6.00  -79.88  317.83  -77.02  169.00
    7.00  -79.19  332.83  -79.72  174.34
    8.00  -78.89  347.83  -82.70  174.74
    9.00  -78.83    2.83  -85.49  162.23
   10.00  -78.53   17.83  -87.01  117.28
   11.00  -78.54   32.83  -84.96   78.56
   12.00  -78.75   47.83  -81.73   72.08
   13.00  -78.51   62.83  -78.40   70.94
   14.00  -78.27   77.83  -75.07   73.62
   15.00  -78.03   92.83  -71.92   78.07
   16.00  -77.80  107.83  -69.07   83.49
   17.00  -77.55  122.83  -66.60   89.49
   18.00  -78.65  137.83  -65.83   97.80
   19.00  -78.93  152.83  -64.80  104.65
   20.00  -78.13  167.83  -63.12  110.77
   21.00  -76.25  182.83  -60.72  117.34
   22.00  -73.30  197.83  -57.70  125.15
   23.00  -71.51  212.83  -56.43  134.09
</PRE>


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