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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>
17 Sep 1997 14:02:14 yearsecs  22428134
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.25  222.44  -48.28  142.78
    1.00  -63.36  237.44  -50.94  153.09
    2.00  -64.41  252.44  -53.90  163.27
    3.00  -66.31  267.44  -57.92  172.54
    4.00  -66.12  282.44  -60.45  183.54
    5.00  -67.09  297.44  -64.43  193.37
    6.00  -67.23  312.44  -68.09  204.91
    7.00  -67.07  327.44  -71.74  218.80
    8.00  -67.53  342.44  -75.88  234.92
    9.00  -67.38  357.44  -79.03  259.88
   10.00  -66.96   12.44  -80.30  296.68
   11.00  -66.77   27.44  -78.86  334.79
   12.00  -66.80   42.44  -75.47    2.21
   13.00  -67.06   57.44  -71.63   21.57
   14.00  -67.54   72.44  -68.07   37.24
   15.00  -68.25   87.44  -64.98   51.20
   16.00  -69.18  102.44  -62.46   63.98
   17.00  -70.15  117.44  -60.50   75.44
   18.00  -69.93  132.44  -58.00   84.69
   19.00  -69.39  147.44  -55.77   93.65
   20.00  -68.33  162.44  -53.54  102.61
   21.00  -66.89  177.44  -51.40  111.94
   22.00  -64.74  192.44  -49.08  121.69
   23.00  -62.99  207.44  -47.86  132.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.25  222.44  -53.02  141.31
    1.00  -68.36  237.44  -55.55  150.63
    2.00  -69.41  252.44  -58.38  159.66
    3.00  -73.87  267.44  -64.44  163.99
    4.00  -76.55  282.44  -68.98  167.20
    5.00  -76.94  297.44  -71.92  173.16
    6.00  -76.00  312.44  -74.40  182.87
    7.00  -75.15  327.44  -77.36  193.66
    8.00  -75.56  342.44  -81.17  199.66
    9.00  -75.50  357.44  -84.98  208.88
   10.00  -75.96   12.44  -89.00  202.39
   11.00  -75.73   27.44  -86.89   38.55
   12.00  -75.89   42.44  -82.82   47.87
   13.00  -75.68   57.44  -78.73   53.68
   14.00  -75.78   72.44  -74.99   61.58
   15.00  -75.48   87.44  -71.29   68.11
   16.00  -75.78  102.44  -68.42   76.40
   17.00  -75.30  117.44  -65.38   83.02
   18.00  -75.66  132.44  -63.61   91.16
   19.00  -75.39  147.44  -61.76   98.53
   20.00  -74.29  162.44  -59.54  105.69
   21.00  -71.89  177.44  -56.43  113.22
   22.00  -69.74  192.44  -54.06  121.94
   23.00  -67.99  207.44  -52.72  131.44
</PRE>


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