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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>
07 May 1997 20:47:00 yearsecs  10961220
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.98  115.22  -55.66   67.80
    1.00  -65.19  130.22  -53.46   78.94
    2.00  -66.20  145.22  -52.73   90.04
    3.00  -67.22  160.22  -52.55  100.64
    4.00  -67.06  175.22  -51.64  110.51
    5.00  -68.03  190.22  -52.35  120.43
    6.00  -68.36  205.22  -52.99  129.98
    7.00  -69.25  220.22  -54.73  139.24
    8.00  -71.02  235.22  -57.76  147.71
    9.00  -72.54  250.22  -60.86  155.58
   10.00  -71.94  265.22  -62.46  165.19
   11.00  -70.69  280.22  -63.95  176.17
   12.00  -69.96  295.22  -66.35  187.22
   13.00  -69.64  310.22  -69.52  198.48
   14.00  -69.69  325.22  -73.28  210.51
   15.00  -70.07  340.22  -77.39  224.46
   16.00  -70.50  355.22  -81.38  244.63
   17.00  -70.43   10.22  -83.92  284.35
   18.00  -70.42   25.22  -83.25  337.11
   19.00  -69.59   40.22  -79.01    6.69
   20.00  -68.59   55.22  -73.86   23.01
   21.00  -67.62   70.22  -68.75   35.41
   22.00  -66.97   85.22  -64.23   47.04
   23.00  -66.12  100.22  -59.86   57.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.71  115.22  -61.44   74.76
    1.00  -71.94  130.22  -60.29   85.43
    2.00  -72.81  145.22  -59.41   94.97
    3.00  -78.35  160.22  -63.74  107.42
    4.00  -80.28  175.22  -65.03  115.29
    5.00  -80.74  190.22  -65.25  121.63
    6.00  -80.14  205.22  -64.78  127.91
    7.00  -79.22  220.22  -64.42  134.81
    8.00  -79.38  235.22  -65.54  141.27
    9.00  -79.47  250.22  -66.96  147.56
   10.00  -79.34  265.22  -68.56  153.95
   11.00  -79.24  280.22  -70.52  160.08
   12.00  -79.39  295.22  -72.94  165.00
   13.00  -79.13  310.22  -75.42  170.51
   14.00  -78.87  325.22  -78.19  175.18
   15.00  -78.62  340.22  -81.19  178.05
   16.00  -78.37  355.22  -84.31  175.86
   17.00  -78.12   10.22  -87.11  151.74
   18.00  -79.15   25.22  -85.78   98.05
   19.00  -79.38   40.22  -83.15   80.21
   20.00  -78.54   55.22  -80.09   70.23
   21.00  -76.65   70.22  -76.00   64.14
   22.00  -73.73   85.22  -70.47   62.00
   23.00  -71.98  100.22  -65.59   67.33
</PRE>


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