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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>
15 Apr 1997 23:31:20 yearsecs   9070280
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.73   77.09  -64.93   37.79
    1.00  -65.85   92.09  -61.41   50.79
    2.00  -66.72  107.09  -59.02   63.79
    3.00  -67.59  122.09  -57.15   75.54
    4.00  -67.28  137.09  -54.71   85.36
    5.00  -68.03  152.09  -53.98   95.74
    6.00  -68.08  167.09  -53.02  105.52
    7.00  -68.61  182.09  -53.01  115.31
    8.00  -69.91  197.09  -54.29  124.81
    9.00  -70.64  212.09  -55.54  133.85
   10.00  -70.37  227.09  -56.36  143.08
   11.00  -69.77  242.09  -57.37  152.77
   12.00  -69.48  257.09  -59.10  162.62
   13.00  -69.48  272.09  -61.47  172.44
   14.00  -69.76  287.09  -64.49  182.04
   15.00  -70.31  302.09  -68.15  191.30
   16.00  -70.86  317.09  -72.13  200.88
   17.00  -70.89  332.09  -75.92  213.26
   18.00  -70.96  347.09  -79.79  229.62
   19.00  -70.23    2.09  -82.58  260.82
   20.00  -69.32   17.09  -82.88  309.27
   21.00  -68.44   32.09  -79.79  348.18
   22.00  -67.79   47.09  -75.29   11.12
   23.00  -66.91   62.09  -70.19   26.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.27   77.09  -70.44   49.99
    1.00  -72.44   92.09  -67.79   63.10
    2.00  -73.24  107.09  -65.34   73.80
    3.00  -78.62  122.09  -67.62   91.13
    4.00  -80.48  137.09  -67.57  100.33
    5.00  -80.89  152.09  -66.76  106.59
    6.00  -80.27  167.09  -65.31  111.92
    7.00  -79.33  182.09  -63.89  117.84
    8.00  -79.43  197.09  -63.92  124.50
    9.00  -79.44  212.09  -64.27  131.11
   10.00  -79.21  227.09  -64.80  137.87
   11.00  -79.23  242.09  -65.98  144.41
   12.00  -79.44  257.09  -67.67  150.46
   13.00  -79.23  272.09  -69.37  156.94
   14.00  -79.02  287.09  -71.42  163.23
   15.00  -78.81  302.09  -73.82  169.19
   16.00  -78.60  317.09  -76.52  174.58
   17.00  -78.38  332.09  -79.49  178.99
   18.00  -79.42  347.09  -82.43  170.74
   19.00  -79.67    2.09  -84.79  155.47
   20.00  -78.87   17.09  -86.67  120.88
   21.00  -77.06   32.09  -85.63   60.48
   22.00  -74.26   47.09  -80.83   38.76
   23.00  -72.54   62.09  -75.49   42.52
</PRE>


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