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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>
10 Jul 1997 17:56:02 yearsecs  16480562
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.45  162.47  -46.54   99.85
    1.00  -62.10  177.47  -46.57  110.89
    2.00  -62.76  192.47  -47.12  121.60
    3.00  -63.41  207.47  -48.28  132.03
    4.00  -62.83  222.47  -48.84  142.64
    5.00  -64.03  237.47  -51.57  152.81
    6.00  -64.84  252.47  -54.30  163.01
    7.00  -65.21  267.47  -56.95  173.53
    8.00  -65.91  282.47  -60.27  183.80
    9.00  -65.52  297.47  -63.06  195.61
   10.00  -64.95  312.47  -66.13  208.73
   11.00  -64.61  327.47  -69.61  223.59
   12.00  -64.53  342.47  -73.19  241.68
   13.00  -64.69  357.47  -76.39  265.66
   14.00  -65.09   12.47  -78.24  298.15
   15.00  -65.73   27.47  -77.66  333.49
   16.00  -66.59   42.47  -75.22    1.78
   17.00  -67.68   57.47  -72.29   23.08
   18.00  -67.39   72.47  -67.90   36.93
   19.00  -66.89   87.47  -63.59   48.75
   20.00  -65.50  102.47  -58.72   58.62
   21.00  -64.37  117.47  -54.61   68.86
   22.00  -63.04  132.47  -50.92   78.86
   23.00  -61.93  147.47  -48.12   89.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.95  162.47  -55.17  103.39
    1.00  -71.08  177.47  -55.62  113.01
    2.00  -72.24  192.47  -56.57  122.08
    3.00  -73.28  207.47  -57.93  130.59
    4.00  -75.79  222.47  -61.19  137.85
    5.00  -76.98  237.47  -63.50  144.61
    6.00  -76.75  252.47  -64.86  152.27
    7.00  -76.18  267.47  -66.35  160.54
    8.00  -76.97  282.47  -69.30  166.29
    9.00  -76.85  297.47  -71.87  173.41
   10.00  -76.76  312.47  -74.81  180.22
   11.00  -76.60  327.47  -78.00  187.07
   12.00  -76.14  342.47  -81.36  195.77
   13.00  -75.88  357.47  -85.06  204.29
   14.00  -75.72   12.47  -89.01  216.98
   15.00  -75.06   27.47  -86.69   25.83
   16.00  -74.69   42.47  -82.35   37.98
   17.00  -72.97   57.47  -77.09   40.53
   18.00  -72.39   72.47  -72.58   49.78
   19.00  -72.38   87.47  -68.82   60.00
   20.00  -72.21  102.47  -65.33   69.17
   21.00  -70.61  117.47  -60.95   76.06
   22.00  -70.37  132.47  -58.43   85.14
   23.00  -69.53  147.47  -55.91   93.76
</PRE>


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