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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>
04 May 1997 19:42:31 yearsecs  10698151
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.17  131.52  -51.17   78.26
    1.00  -63.44  146.52  -49.77   89.27
    2.00  -64.09  161.52  -49.30  100.18
    3.00  -64.74  176.52  -49.26  110.81
    4.00  -64.48  191.52  -48.81  121.05
    5.00  -65.72  206.52  -50.46  131.12
    6.00  -66.02  221.52  -51.78  141.08
    7.00  -65.90  236.52  -53.18  151.27
    8.00  -66.59  251.52  -55.74  161.17
    9.00  -66.06  266.52  -57.55  172.11
   10.00  -65.60  281.52  -59.81  183.45
   11.00  -65.41  296.52  -62.76  195.02
   12.00  -65.45  311.52  -66.33  207.14
   13.00  -65.71  326.52  -70.34  220.62
   14.00  -66.19  341.52  -74.48  236.96
   15.00  -66.90  356.52  -78.40  259.28
   16.00  -67.83   11.52  -81.22  293.27
   17.00  -68.94   26.52  -81.44  336.59
   18.00  -68.92   41.52  -77.98    6.47
   19.00  -68.26   56.52  -73.15   23.53
   20.00  -66.99   71.52  -67.73   35.24
   21.00  -65.91   86.52  -62.78   46.27
   22.00  -64.78  101.52  -58.16   56.90
   23.00  -63.66  116.52  -54.04   67.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.65  131.52  -57.84   83.84
    1.00  -70.84  146.52  -57.31   94.14
    2.00  -71.86  161.52  -57.15  103.79
    3.00  -73.62  176.52  -58.21  113.21
    4.00  -76.46  191.52  -60.86  121.81
    5.00  -77.36  206.52  -61.99  129.20
    6.00  -76.56  221.52  -61.88  136.96
    7.00  -75.73  236.52  -62.25  145.20
    8.00  -76.62  251.52  -64.63  151.96
    9.00  -76.13  266.52  -66.18  160.15
   10.00  -76.10  281.52  -68.50  167.69
   11.00  -76.04  296.52  -71.17  175.15
   12.00  -75.85  311.52  -74.12  182.94
   13.00  -75.75  326.52  -77.42  190.58
   14.00  -75.99  341.52  -81.09  196.34
   15.00  -75.64  356.52  -84.77  206.65
   16.00  -75.63   11.52  -88.74  220.29
   17.00  -74.22   26.52  -86.49    9.96
   18.00  -74.15   41.52  -82.33   33.00
   19.00  -74.79   56.52  -78.52   48.47
   20.00  -74.12   71.52  -74.14   54.88
   21.00  -72.01   86.52  -68.73   58.49
   22.00  -71.02  101.52  -64.42   66.41
   23.00  -69.95  116.52  -60.46   74.59
</PRE>


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