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    <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>
18 Feb 1997 22:59:29 yearsecs   4229969
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.40   92.23  -60.89   50.21
    1.00  -65.57  107.23  -57.81   62.42
    2.00  -66.51  122.23  -56.02   74.51
    3.00  -67.45  137.23  -54.88   85.59
    4.00  -67.22  152.23  -53.14   95.36
    5.00  -68.08  167.23  -53.01  105.61
    6.00  -68.27  182.23  -52.66  115.34
    7.00  -68.96  197.23  -53.35  124.91
    8.00  -70.48  212.23  -55.40  133.98
    9.00  -71.57  227.23  -57.51  142.62
   10.00  -70.85  242.23  -58.37  152.12
   11.00  -70.04  257.23  -59.61  162.20
   12.00  -69.60  272.23  -61.60  172.40
   13.00  -69.48  287.23  -64.29  182.55
   14.00  -69.67  302.23  -67.67  192.60
   15.00  -70.16  317.23  -71.63  202.71
   16.00  -70.66  332.23  -75.79  214.15
   17.00  -70.65  347.23  -79.59  231.15
   18.00  -70.68    2.23  -83.02  259.15
   19.00  -69.91   17.23  -83.53  309.87
   20.00  -68.95   32.23  -80.31  349.91
   21.00  -68.03   47.23  -75.50   11.94
   22.00  -67.42   62.23  -70.69   27.36
   23.00  -66.55   77.23  -65.78   39.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.20   92.23  -68.41   64.91
    1.00  -74.34  107.23  -66.30   75.93
    2.00  -75.17  122.23  -64.53   85.26
    3.00  -80.00  137.23  -67.13   99.61
    4.00  -81.71  152.23  -67.53  107.68
    5.00  -82.15  167.23  -67.20  113.50
    6.00  -81.70  182.23  -66.33  118.73
    7.00  -81.00  197.23  -65.55  124.47
    8.00  -81.21  212.23  -66.07  130.37
    9.00  -81.35  227.23  -66.88  136.09
   10.00  -81.08  242.23  -67.65  142.10
   11.00  -80.97  257.23  -68.93  147.82
   12.00  -81.03  272.23  -70.66  152.86
   13.00  -80.75  287.23  -72.45  158.32
   14.00  -80.48  302.23  -74.58  163.29
   15.00  -80.21  317.23  -76.99  167.40
   16.00  -79.94  332.23  -79.63  169.85
   17.00  -79.67  347.23  -82.39  168.69
   18.00  -80.53    2.23  -84.13  148.82
   19.00  -80.70   17.23  -84.72  122.11
   20.00  -79.92   32.23  -84.21   92.41
   21.00  -78.22   47.23  -81.89   68.07
   22.00  -75.72   62.23  -77.51   56.27
   23.00  -74.24   77.23  -72.79   58.76
</PRE>


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