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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>
16 May 1997 20:34:31 yearsecs  11738071
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.49  117.75  -53.64   68.20
    1.00  -63.59  132.75  -51.45   79.48
    2.00  -64.32  147.75  -50.56   90.64
    3.00  -65.04  162.75  -50.19  101.42
    4.00  -64.79  177.75  -49.28  111.67
    5.00  -65.98  192.75  -50.32  121.96
    6.00  -66.26  207.75  -51.05  131.88
    7.00  -66.12  222.75  -51.98  141.87
    8.00  -66.81  237.75  -54.17  151.65
    9.00  -66.30  252.75  -55.65  162.22
   10.00  -65.87  267.75  -57.58  173.16
   11.00  -65.68  282.75  -60.12  184.28
   12.00  -65.71  297.75  -63.29  195.58
   13.00  -65.97  312.75  -67.09  207.35
   14.00  -66.45  327.75  -71.29  220.41
   15.00  -67.16  342.75  -75.63  236.30
   16.00  -68.09  357.75  -79.77  258.54
   17.00  -69.17   12.75  -82.73  295.29
   18.00  -69.12   27.75  -81.41  340.13
   19.00  -68.48   42.75  -77.19    6.98
   20.00  -67.25   57.75  -71.75   22.34
   21.00  -66.18   72.75  -66.54   34.74
   22.00  -65.08   87.75  -61.60   45.95
   23.00  -64.02  102.75  -57.10   56.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.49  117.75  -64.60   81.86
    1.00  -75.55  132.75  -63.47   91.18
    2.00  -76.50  147.75  -62.82   99.78
    3.00  -78.30  162.75  -63.55  108.54
    4.00  -80.48  177.75  -65.16  116.44
    5.00  -81.21  192.75  -65.74  122.69
    6.00  -80.83  207.75  -65.55  128.75
    7.00  -80.49  222.75  -65.79  135.04
    8.00  -81.25  237.75  -67.46  140.18
    9.00  -81.19  252.75  -68.67  145.80
   10.00  -81.44  267.75  -70.41  150.44
   11.00  -81.19  282.75  -72.09  155.70
   12.00  -80.85  297.75  -74.03  160.86
   13.00  -80.53  312.75  -76.30  165.24
   14.00  -80.46  327.75  -78.83  166.97
   15.00  -80.02  342.75  -81.50  167.74
   16.00  -79.87  357.75  -84.04  159.38
   17.00  -78.81   12.75  -86.66  136.69
   18.00  -78.65   27.75  -85.81   87.63
   19.00  -78.84   42.75  -82.81   74.28
   20.00  -78.14   57.75  -79.46   68.00
   21.00  -76.40   72.75  -75.26   64.19
   22.00  -75.37   87.75  -71.14   67.96
   23.00  -74.60  102.75  -67.38   74.00
</PRE>


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