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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>
19 May 1997 01:15:02 yearsecs  11927702
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.18   49.94  -67.92    4.03
    1.00  -62.74   64.94  -64.58   21.15
    2.00  -63.31   79.94  -61.48   36.27
    3.00  -63.86   94.94  -58.62   50.22
    4.00  -63.45  109.94  -55.04   62.02
    5.00  -64.72  124.94  -53.74   74.73
    6.00  -65.21  139.94  -52.26   85.75
    7.00  -65.29  154.94  -50.96   96.15
    8.00  -65.89  169.94  -50.67  106.63
    9.00  -65.25  184.94  -49.60  116.65
   10.00  -64.84  199.94  -49.34  126.77
   11.00  -64.65  214.94  -49.95  136.97
   12.00  -64.69  229.94  -51.33  147.26
   13.00  -64.94  244.94  -53.35  157.61
   14.00  -65.43  259.94  -55.93  167.93
   15.00  -66.14  274.94  -59.06  178.07
   16.00  -67.07  289.94  -62.78  187.85
   17.00  -68.22  304.94  -67.11  197.19
   18.00  -68.25  319.94  -70.81  209.26
   19.00  -67.56  334.94  -74.05  225.65
   20.00  -66.18  349.94  -76.40  249.31
   21.00  -65.08    4.94  -77.81  280.50
   22.00  -63.83   19.94  -76.50  315.86
   23.00  -62.65   34.94  -72.45  343.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.96   49.94  -75.71   18.02
    1.00  -70.05   64.94  -72.58   36.75
    2.00  -71.03   79.94  -69.49   51.47
    3.00  -72.01   94.94  -66.77   64.02
    4.00  -74.87  109.94  -66.27   78.37
    5.00  -75.58  124.94  -64.52   87.27
    6.00  -75.41  139.94  -62.52   94.68
    7.00  -74.82  154.94  -60.58  102.00
    8.00  -76.03  169.94  -60.90  110.64
    9.00  -75.87  184.94  -60.30  118.34
   10.00  -76.01  199.94  -60.46  126.12
   11.00  -75.89  214.94  -60.85  133.90
   12.00  -75.57  229.94  -61.52  141.88
   13.00  -75.48  244.94  -62.87  149.83
   14.00  -75.67  259.94  -64.87  157.46
   15.00  -75.26  274.94  -66.76  165.91
   16.00  -75.15  289.94  -69.30  173.96
   17.00  -73.56  304.94  -71.23  185.97
   18.00  -73.27  319.94  -74.49  196.08
   19.00  -73.95  334.94  -78.58  203.71
   20.00  -73.23  349.94  -82.03  221.22
   21.00  -71.02    4.94  -83.82  264.94
   22.00  -70.18   19.94  -83.66  319.47
   23.00  -69.11   34.94  -79.85  355.82
</PRE>


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