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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>
08 Apr 1997 21:30:49 yearsecs   8458249
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.39  107.65  -54.35   58.98
    1.00  -63.58  122.65  -52.91   72.01
    2.00  -64.43  137.65  -51.72   83.60
    3.00  -67.63  152.65  -53.52   95.87
    4.00  -67.22  167.65  -52.12  105.56
    5.00  -67.86  182.65  -52.24  115.54
    6.00  -67.74  197.65  -52.14  125.19
    7.00  -67.89  212.65  -52.91  134.79
    8.00  -68.80  227.65  -54.95  144.10
    9.00  -69.02  242.65  -56.76  153.62
   10.00  -68.78  257.65  -58.56  163.60
   11.00  -68.58  272.65  -60.79  173.84
   12.00  -68.62  287.65  -63.64  184.09
   13.00  -68.87  302.65  -67.11  194.34
   14.00  -69.36  317.65  -71.12  204.89
   15.00  -70.06  332.65  -75.46  216.39
   16.00  -70.61  347.65  -79.67  231.86
   17.00  -70.47    2.65  -82.90  261.21
   18.00  -71.18   17.65  -84.92  312.08
   19.00  -70.57   32.65  -81.88  356.63
   20.00  -69.72   47.65  -77.10   17.62
   21.00  -68.89   62.65  -72.09   31.42
   22.00  -65.92   77.65  -64.99   38.63
   23.00  -63.90   92.65  -59.17   48.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.39  107.65  -59.59   65.10
    1.00  -68.58  122.65  -58.06   76.98
    2.00  -69.43  137.65  -56.83   87.50
    3.00  -75.55  152.65  -61.48  101.38
    4.00  -77.82  167.65  -62.82  110.50
    5.00  -78.19  182.65  -62.71  117.76
    6.00  -77.25  197.65  -61.70  124.87
    7.00  -75.99  212.65  -60.84  132.68
    8.00  -76.02  227.65  -61.78  140.40
    9.00  -75.76  242.65  -62.89  148.36
   10.00  -75.42  257.65  -64.35  156.60
   11.00  -75.40  272.65  -66.51  164.48
   12.00  -75.86  287.65  -69.40  171.22
   13.00  -75.77  302.65  -72.21  178.86
   14.00  -75.73  317.65  -75.39  186.32
   15.00  -75.60  332.65  -78.80  194.32
   16.00  -75.61  347.65  -82.49  202.02
   17.00  -75.47    2.65  -86.34  213.34
   18.00  -76.68   17.65  -88.96  102.63
   19.00  -76.92   32.65  -85.51   58.19
   20.00  -76.00   47.65  -81.45   51.08
   21.00  -73.91   62.65  -76.33   48.36
   22.00  -70.92   77.65  -69.98   49.49
   23.00  -68.90   92.65  -64.38   56.39
</PRE>


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