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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>
22 Oct 1997 20:25:12 yearsecs  25475112
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.34  122.63  -53.71   72.69
    1.00  -63.98  137.63  -51.26   83.28
    2.00  -64.91  152.63  -50.76   94.36
    3.00  -65.84  167.63  -50.73  105.05
    4.00  -65.63  182.63  -50.01  115.15
    5.00  -66.68  197.63  -51.10  125.19
    6.00  -66.87  212.63  -51.92  134.98
    7.00  -66.96  227.63  -53.22  144.83
    8.00  -67.40  242.63  -55.29  154.60
    9.00  -66.97  257.63  -56.96  165.10
   10.00  -66.56  272.63  -59.02  175.99
   11.00  -66.37  287.63  -61.70  187.06
   12.00  -66.40  302.63  -65.01  198.38
   13.00  -66.66  317.63  -68.90  210.39
   14.00  -67.14  332.63  -73.11  224.07
   15.00  -67.85  347.63  -77.38  241.41
   16.00  -68.78    2.63  -81.28  267.39
   17.00  -69.79   17.63  -83.38  311.20
   18.00  -69.63   32.63  -80.94  352.94
   19.00  -69.06   47.63  -76.45   15.44
   20.00  -67.94   62.63  -71.13   28.98
   21.00  -66.90   77.63  -66.05   40.49
   22.00  -65.89   92.63  -61.32   51.29
   23.00  -64.96  107.63  -57.09   61.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.12  122.63  -60.60   79.92
    1.00  -72.14  137.63  -59.56   89.99
    2.00  -73.08  152.63  -59.02   99.41
    3.00  -76.17  167.63  -61.15  109.53
    4.00  -78.50  182.63  -63.03  117.84
    5.00  -78.96  197.63  -63.44  124.77
    6.00  -78.14  212.63  -62.99  131.89
    7.00  -77.62  227.63  -63.32  139.30
    8.00  -77.99  242.63  -64.91  146.07
    9.00  -78.05  257.63  -66.59  152.90
   10.00  -78.57  272.63  -68.96  158.55
   11.00  -78.60  287.63  -71.24  164.57
   12.00  -78.73  302.63  -73.88  169.63
   13.00  -78.46  317.63  -76.58  175.34
   14.00  -78.48  332.63  -79.61  178.51
   15.00  -78.12  347.63  -82.77  181.16
   16.00  -78.20    2.63  -85.84  169.87
   17.00  -77.48   17.63  -88.13  113.39
   18.00  -77.59   32.63  -85.37   67.34
   19.00  -77.53   47.63  -81.78   62.69
   20.00  -76.61   62.63  -77.82   60.84
   21.00  -74.58   77.63  -72.93   60.07
   22.00  -72.98   92.63  -68.14   64.66
   23.00  -71.64  107.63  -63.76   71.38
</PRE>


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