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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>
18 Aug 1997 03:06:16 yearsecs  19796776
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.61   25.38  -69.48  325.37
    1.00  -59.99   40.38  -67.69  349.30
    2.00  -60.86   55.38  -64.73    8.44
    3.00  -67.35   70.38  -68.41   34.95
    4.00  -67.20   85.38  -64.42   47.60
    5.00  -68.19  100.38  -61.93   60.93
    6.00  -68.55  115.38  -59.27   72.05
    7.00  -69.30  130.38  -57.63   82.76
    8.00  -69.47  145.38  -56.05   92.41
    9.00  -69.38  160.38  -54.73  101.79
   10.00  -68.83  175.38  -53.42  111.09
   11.00  -68.35  190.38  -52.67  120.56
   12.00  -68.15  205.38  -52.79  130.10
   13.00  -68.22  220.38  -53.77  139.66
   14.00  -68.57  235.38  -55.51  149.18
   15.00  -69.18  250.38  -57.90  158.51
   16.00  -69.59  265.38  -60.46  167.91
   17.00  -69.38  280.38  -62.87  178.08
   18.00  -69.92  295.38  -66.35  187.39
   19.00  -69.19  310.38  -69.20  199.51
   20.00  -68.40  325.38  -72.31  213.82
   21.00  -67.26  340.38  -75.14  232.93
   22.00  -63.24  355.38  -74.59  264.16
   23.00  -60.64   10.38  -73.29  296.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.61   25.38  -75.54  327.34
    1.00  -64.99   40.38  -73.92  355.57
    2.00  -65.86   55.38  -70.87   16.67
    3.00  -73.40   70.38  -73.92   51.63
    4.00  -75.93   85.38  -72.07   68.43
    5.00  -76.22  100.38  -69.17   76.43
    6.00  -75.62  115.38  -66.00   82.53
    7.00  -74.36  130.38  -62.63   88.41
    8.00  -74.62  145.38  -61.20   96.72
    9.00  -74.77  160.38  -60.15  104.87
   10.00  -74.58  175.38  -59.22  112.90
   11.00  -74.78  190.38  -59.14  121.07
   12.00  -75.23  205.38  -59.81  129.07
   13.00  -75.08  220.38  -60.36  137.10
   14.00  -74.92  235.38  -61.39  145.23
   15.00  -74.76  250.38  -62.85  153.48
   16.00  -74.59  265.38  -64.73  161.84
   17.00  -74.38  280.38  -66.99  170.37
   18.00  -75.71  295.38  -70.73  175.41
   19.00  -75.98  310.38  -73.95  181.94
   20.00  -74.83  325.38  -76.70  193.85
   21.00  -72.26  340.38  -78.97  216.07
   22.00  -68.24  355.38  -79.44  253.38
   23.00  -65.64   10.38  -78.80  292.60
</PRE>


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