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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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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Mar 1997 01:39:45 yearsecs   7436385
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.71   47.83  -70.40    3.71
    1.00  -63.69   62.83  -66.30   20.57
    2.00  -64.47   77.83  -63.34   36.25
    3.00  -65.25   92.83  -60.60   50.47
    4.00  -65.01  107.83  -57.11   62.18
    5.00  -66.16  122.83  -55.57   74.59
    6.00  -66.42  137.83  -53.74   85.18
    7.00  -66.28  152.83  -52.14   95.23
    8.00  -66.85  167.83  -51.74  105.54
    9.00  -66.46  182.83  -50.84  115.41
   10.00  -66.05  197.83  -50.47  125.33
   11.00  -65.85  212.83  -50.96  135.31
   12.00  -65.89  227.83  -52.24  145.36
   13.00  -66.15  242.83  -54.18  155.46
   14.00  -66.63  257.83  -56.68  165.50
   15.00  -67.33  272.83  -59.74  175.32
   16.00  -68.27  287.83  -63.38  184.70
   17.00  -69.33  302.83  -67.53  193.65
   18.00  -69.25  317.83  -71.08  205.28
   19.00  -68.62  332.83  -74.39  220.64
   20.00  -67.42  347.83  -77.05  242.88
   21.00  -66.37    2.83  -78.89  273.65
   22.00  -65.29   17.83  -78.32  311.10
   23.00  -64.26   32.83  -74.87  342.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.03   47.83  -77.35   18.94
    1.00  -71.17   62.83  -74.17   38.32
    2.00  -72.19   77.83  -71.03   52.99
    3.00  -74.64   92.83  -69.47   68.73
    4.00  -77.30  107.83  -68.68   82.35
    5.00  -78.04  122.83  -67.03   90.36
    6.00  -77.28  137.83  -64.54   95.92
    7.00  -76.65  152.83  -62.56  102.43
    8.00  -77.48  167.83  -62.46  110.38
    9.00  -77.23  182.83  -61.72  117.58
   10.00  -77.45  197.83  -61.90  124.95
   11.00  -77.26  212.83  -62.12  132.32
   12.00  -77.11  227.83  -62.83  139.76
   13.00  -76.92  242.83  -63.96  147.31
   14.00  -77.05  257.83  -65.76  154.48
   15.00  -76.68  272.83  -67.55  162.32
   16.00  -76.71  287.83  -70.02  169.38
   17.00  -75.61  302.83  -72.15  179.37
   18.00  -75.63  317.83  -75.38  186.77
   19.00  -75.92  332.83  -78.97  192.77
   20.00  -75.06  347.83  -82.35  206.39
   21.00  -72.92    2.83  -85.03  246.06
   22.00  -71.58   17.83  -85.35  313.23
   23.00  -70.40   32.83  -81.67  356.28
</PRE>


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