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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 Apr 1997 16:09:50 yearsecs   9302990
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.75  192.28  -43.13  121.26
    1.00  -59.33  207.28  -44.29  132.32
    2.00  -59.90  222.28  -46.01  143.28
    3.00  -60.47  237.28  -48.20  154.21
    4.00  -59.98  252.28  -49.78  165.78
    5.00  -60.91  267.28  -53.04  176.80
    6.00  -62.32  282.28  -57.03  187.38
    7.00  -63.33  297.28  -61.06  198.26
    8.00  -63.53  312.28  -64.80  210.69
    9.00  -62.94  327.28  -68.03  226.14
   10.00  -62.48  342.28  -71.20  244.94
   11.00  -62.29  357.28  -73.92  268.94
   12.00  -62.32   12.28  -75.17  299.31
   13.00  -62.58   27.28  -73.98  330.43
   14.00  -63.06   42.28  -71.10  355.40
   15.00  -63.77   57.28  -67.89   14.87
   16.00  -64.70   72.28  -65.00   31.55
   17.00  -65.86   87.28  -62.55   46.82
   18.00  -65.92  102.28  -59.21   59.05
   19.00  -65.01  117.28  -55.32   69.39
   20.00  -63.40  132.28  -51.32   78.99
   21.00  -62.26  147.28  -48.48   89.16
   22.00  -60.60  162.28  -45.68   99.41
   23.00  -59.47  177.28  -43.91  110.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.35  192.28  -55.68  121.92
    1.00  -72.08  207.28  -56.73  130.71
    2.00  -72.95  222.28  -58.43  139.10
    3.00  -73.56  237.28  -60.31  147.28
    4.00  -75.03  252.28  -63.33  154.21
    5.00  -76.20  267.28  -66.34  160.41
    6.00  -76.32  282.28  -68.79  167.60
    7.00  -75.62  297.28  -71.04  176.60
    8.00  -75.96  312.28  -74.34  182.92
    9.00  -76.12  327.28  -77.76  189.27
   10.00  -75.80  342.28  -81.21  197.99
   11.00  -75.47  357.28  -84.93  209.11
   12.00  -75.22   12.28  -88.78  243.22
   13.00  -75.11   27.28  -86.76   26.41
   14.00  -75.02   42.28  -82.55   40.46
   15.00  -74.65   57.28  -78.24   48.20
   16.00  -74.70   72.28  -74.35   57.44
   17.00  -74.10   87.28  -70.28   64.20
   18.00  -73.84  102.28  -66.82   72.20
   19.00  -73.75  117.28  -63.99   80.43
   20.00  -73.31  132.28  -61.36   88.17
   21.00  -72.11  147.28  -58.51   95.58
   22.00  -72.05  162.28  -57.30  104.34
   23.00  -71.03  177.28  -55.57  112.88
</PRE>


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