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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>
30 Jul 1997 12:10:46 yearsecs  18187846
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.40  252.65  -51.16  165.26
    1.00  -62.56  267.65  -54.60  175.85
    2.00  -63.66  282.65  -58.30  186.36
    3.00  -66.52  297.65  -63.98  194.35
    4.00  -66.31  312.65  -67.36  206.67
    5.00  -67.20  327.65  -71.90  218.73
    6.00  -67.26  342.65  -75.69  235.90
    7.00  -67.29  357.65  -78.98  260.52
    8.00  -67.87   12.65  -81.30  296.41
    9.00  -67.60   27.65  -79.75  336.58
   10.00  -67.20   42.65  -75.86    3.45
   11.00  -67.02   57.65  -71.53   21.69
   12.00  -67.06   72.65  -67.51   36.41
   13.00  -67.33   87.65  -64.00   49.67
   14.00  -67.82  102.65  -61.07   62.04
   15.00  -68.54  117.65  -58.86   73.58
   16.00  -69.46  132.65  -57.49   84.37
   17.00  -70.35  147.65  -56.71   94.46
   18.00  -70.13  162.65  -55.34  103.58
   19.00  -69.60  177.65  -54.12  112.73
   20.00  -68.59  192.65  -52.91  122.01
   21.00  -66.68  207.65  -51.46  131.75
   22.00  -64.20  222.65  -50.16  142.37
   23.00  -62.28  237.65  -49.96  153.72
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.40  252.65  -55.72  162.08
    1.00  -67.56  267.65  -59.05  171.49
    2.00  -68.66  282.65  -62.69  180.58
    3.00  -73.90  297.65  -69.92  180.95
    4.00  -76.56  312.65  -74.74  181.01
    5.00  -76.75  327.65  -78.09  186.43
    6.00  -76.19  342.65  -81.42  195.47
    7.00  -75.60  357.65  -85.06  207.78
    8.00  -76.22   12.65  -88.97  186.09
    9.00  -76.00   27.65  -86.86   44.04
   10.00  -76.35   42.65  -82.88   52.03
   11.00  -76.07   57.65  -78.85   55.91
   12.00  -76.25   72.65  -75.21   63.55
   13.00  -75.98   87.65  -71.60   69.68
   14.00  -75.99  102.65  -68.56   76.99
   15.00  -75.67  117.65  -65.69   83.76
   16.00  -75.95  132.65  -63.87   91.66
   17.00  -75.64  147.65  -61.99   98.88
   18.00  -76.01  162.65  -61.25  106.88
   19.00  -75.45  177.65  -60.03  114.42
   20.00  -74.13  192.65  -58.48  122.27
   21.00  -71.68  207.65  -56.35  130.99
   22.00  -69.20  222.65  -54.88  140.78
   23.00  -67.28  237.65  -54.58  151.34
</PRE>


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