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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>
11 Sep 1997 11:53:52 yearsecs  21902032
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.96  252.97  -46.99  167.90
    1.00  -57.28  267.97  -49.77  179.81
    2.00  -57.57  282.97  -52.78  192.05
    3.00  -57.86  297.97  -56.12  204.64
    4.00  -58.14  312.97  -59.88  217.94
    5.00  -58.82  327.97  -64.25  232.42
    6.00  -60.68  342.97  -69.59  248.45
    7.00  -61.68  357.97  -73.39  270.95
    8.00  -61.90   12.97  -74.69  300.98
    9.00  -61.40   27.97  -72.42  331.00
   10.00  -61.09   42.97  -68.43  353.90
   11.00  -60.99   57.97  -64.20   11.40
   12.00  -61.10   72.97  -60.48   26.50
   13.00  -61.41   87.97  -57.38   40.76
   14.00  -61.95  102.97  -54.79   54.55
   15.00  -62.69  117.97  -52.76   67.58
   16.00  -63.65  132.97  -51.49   79.68
   17.00  -64.83  147.97  -51.07   91.08
   18.00  -65.09  162.97  -50.22  101.58
   19.00  -63.74  177.97  -48.21  111.59
   20.00  -62.08  192.97  -46.45  121.92
   21.00  -60.87  207.97  -45.83  132.66
   22.00  -59.02  222.97  -45.22  144.01
   23.00  -57.90  237.97  -45.80  155.76
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.10  252.97  -59.95  158.55
    1.00  -72.01  267.97  -62.95  166.77
    2.00  -72.87  282.97  -66.25  174.48
    3.00  -73.31  297.97  -69.55  182.46
    4.00  -74.03  312.97  -73.34  189.42
    5.00  -75.20  327.97  -77.51  193.71
    6.00  -75.61  342.97  -81.32  199.59
    7.00  -74.66  357.97  -84.84  219.05
    8.00  -74.67   12.97  -88.51  267.10
    9.00  -75.04   27.97  -86.55   26.35
   10.00  -74.56   42.97  -82.14   37.39
   11.00  -74.24   57.97  -77.81   46.67
   12.00  -74.06   72.97  -73.73   55.56
   13.00  -73.90   87.97  -69.96   64.08
   14.00  -73.93  102.97  -66.76   72.76
   15.00  -73.77  117.97  -63.89   80.84
   16.00  -74.13  132.97  -62.08   89.52
   17.00  -74.36  147.97  -60.69   97.87
   18.00  -73.96  162.97  -59.17  105.79
   19.00  -72.99  177.97  -57.53  113.83
   20.00  -72.63  192.97  -56.97  122.38
   21.00  -71.83  207.97  -56.52  131.15
   22.00  -71.92  222.97  -57.50  139.93
   23.00  -71.00  237.97  -58.02  149.41
</PRE>


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