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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 Sep 1997 00:48:52 yearsecs  22898932
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.91   57.71  -69.13   17.36
    1.00  -65.13   72.71  -65.38   32.71
    2.00  -66.14   87.71  -62.75   47.66
    3.00  -67.17  102.71  -60.40   61.13
    4.00  -67.02  117.71  -57.31   71.86
    5.00  -67.98  132.71  -55.98   83.04
    6.00  -68.29  147.71  -54.63   93.06
    7.00  -69.14  162.71  -54.34  103.15
    8.00  -70.79  177.71  -55.31  113.07
    9.00  -70.94  192.71  -55.27  122.16
   10.00  -70.05  207.71  -54.75  131.30
   11.00  -69.32  222.71  -55.00  140.78
   12.00  -68.92  237.71  -56.09  150.49
   13.00  -68.83  252.71  -57.90  160.31
   14.00  -69.04  267.71  -60.35  170.03
   15.00  -69.54  282.71  -63.45  179.43
   16.00  -70.06  297.71  -66.97  188.75
   17.00  -70.04  312.71  -70.44  199.50
   18.00  -70.07  327.71  -74.20  211.71
   19.00  -69.27  342.71  -77.39  230.20
   20.00  -68.27  357.71  -79.93  257.91
   21.00  -67.46   12.71  -80.85  296.97
   22.00  -66.89   27.71  -78.95  335.55
   23.00  -66.04   42.71  -74.54    0.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.59   57.71  -75.95   35.23
    1.00  -72.81   72.71  -72.86   51.26
    2.00  -73.67   87.71  -69.84   63.34
    3.00  -78.96  102.71  -70.79   84.41
    4.00  -80.82  117.71  -69.97   94.26
    5.00  -81.27  132.71  -68.69  100.20
    6.00  -80.74  147.71  -66.92  104.72
    7.00  -80.01  162.71  -65.26  109.90
    8.00  -79.91  177.71  -64.58  116.16
    9.00  -79.81  192.71  -64.30  122.58
   10.00  -79.51  207.71  -64.20  129.16
   11.00  -79.48  222.71  -64.81  135.74
   12.00  -79.64  237.71  -65.98  142.06
   13.00  -79.39  252.71  -67.16  148.72
   14.00  -79.14  267.71  -68.72  155.35
   15.00  -78.90  282.71  -70.67  161.88
   16.00  -78.65  297.71  -72.97  168.17
   17.00  -78.40  312.71  -75.60  174.12
   18.00  -79.41  327.71  -78.76  172.71
   19.00  -79.63  342.71  -81.58  170.54
   20.00  -78.88  357.71  -84.59  168.52
   21.00  -77.14   12.71  -88.30  153.86
   22.00  -74.42   27.71  -86.31   15.87
   23.00  -72.78   42.71  -81.11   25.12
</PRE>


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