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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>
05 Aug 1997 22:45:00 yearsecs  18744300
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.10   88.53  -59.22   43.62
    1.00  -63.63  103.53  -56.52   57.05
    2.00  -64.15  118.53  -54.20   69.44
    3.00  -64.65  133.53  -52.46   80.85
    4.00  -64.31  148.53  -50.49   91.18
    5.00  -65.51  163.53  -50.61  102.13
    6.00  -65.38  178.53  -49.85  112.32
    7.00  -65.75  193.53  -50.10  122.46
    8.00  -66.62  208.53  -51.45  132.34
    9.00  -66.54  223.53  -52.45  142.25
   10.00  -66.48  238.53  -53.96  152.35
   11.00  -65.99  253.53  -55.48  162.98
   12.00  -65.90  268.53  -57.74  173.68
   13.00  -66.07  283.53  -60.61  184.40
   14.00  -66.48  298.53  -64.14  195.09
   15.00  -67.11  313.53  -68.26  206.01
   16.00  -67.98  328.53  -72.77  217.85
   17.00  -69.08  343.53  -77.44  231.88
   18.00  -69.08  358.53  -80.84  256.99
   19.00  -68.36   13.53  -81.86  298.54
   20.00  -67.01   28.53  -78.93  337.54
   21.00  -65.88   43.53  -74.14    1.84
   22.00  -64.70   58.53  -68.66   17.86
   23.00  -63.53   73.53  -63.33   30.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.28   88.53  -68.49   60.46
    1.00  -73.40  103.53  -66.18   72.03
    2.00  -74.32  118.53  -64.32   82.00
    3.00  -75.28  133.53  -63.11   91.23
    4.00  -77.82  148.53  -64.05  101.54
    5.00  -78.39  163.53  -63.59  108.96
    6.00  -78.31  178.53  -62.93  115.87
    7.00  -77.81  193.53  -62.24  122.87
    8.00  -78.82  208.53  -63.53  129.74
    9.00  -78.62  223.53  -64.01  136.69
   10.00  -78.72  238.53  -65.21  143.40
   11.00  -78.56  253.53  -66.54  150.30
   12.00  -78.19  268.53  -68.10  157.53
   13.00  -78.02  283.53  -70.20  164.36
   14.00  -78.15  298.53  -72.84  170.04
   15.00  -77.75  313.53  -75.49  176.97
   16.00  -77.57  328.53  -78.55  182.62
   17.00  -76.05  343.53  -81.59  196.81
   18.00  -75.79  358.53  -85.32  205.99
   19.00  -76.46   13.53  -89.01  166.75
   20.00  -75.86   28.53  -86.61   41.55
   21.00  -73.92   43.53  -81.63   33.32
   22.00  -73.16   58.53  -76.94   42.20
   23.00  -72.40   73.53  -72.32   50.58
</PRE>


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