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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>
13 Apr 1997 23:55:22 yearsecs   8898922
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.14   71.45  -63.39   28.14
    1.00  -63.42   86.45  -60.06   42.26
    2.00  -64.07  101.45  -57.43   55.92
    3.00  -64.72  116.45  -55.16   68.45
    4.00  -64.45  131.45  -52.52   79.20
    5.00  -65.69  146.45  -52.09   90.56
    6.00  -66.00  161.45  -51.24  100.93
    7.00  -65.88  176.45  -50.40  111.03
    8.00  -66.57  191.45  -50.90  121.13
    9.00  -66.02  206.45  -50.76  131.04
   10.00  -65.58  221.45  -51.36  141.16
   11.00  -65.39  236.45  -52.71  151.46
   12.00  -65.42  251.45  -54.68  161.91
   13.00  -65.68  266.45  -57.20  172.39
   14.00  -66.17  281.45  -60.30  182.77
   15.00  -66.87  296.45  -64.02  192.94
   16.00  -67.80  311.45  -68.33  203.04
   17.00  -68.92  326.45  -73.00  213.58
   18.00  -68.90  341.45  -76.78  229.74
   19.00  -68.24  356.45  -79.65  255.48
   20.00  -66.97   11.45  -80.28  294.02
   21.00  -65.88   26.45  -78.01  331.47
   22.00  -64.75   41.45  -73.36  356.76
   23.00  -63.63   56.45  -67.95   13.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.97   71.45  -72.51   47.75
    1.00  -73.10   86.45  -69.67   61.12
    2.00  -74.09  101.45  -67.20   72.23
    3.00  -75.68  116.45  -65.89   83.18
    4.00  -78.24  131.45  -66.14   94.43
    5.00  -79.10  146.45  -65.46  102.10
    6.00  -78.50  161.45  -63.82  108.10
    7.00  -77.89  176.45  -62.55  114.72
    8.00  -78.76  191.45  -63.21  121.95
    9.00  -78.54  206.45  -63.18  128.87
   10.00  -78.57  221.45  -63.84  135.78
   11.00  -78.38  236.45  -64.71  142.81
   12.00  -78.09  251.45  -65.90  150.03
   13.00  -77.90  266.45  -67.59  157.15
   14.00  -78.01  281.45  -69.87  163.51
   15.00  -77.61  296.45  -72.15  170.81
   16.00  -77.51  311.45  -74.97  177.09
   17.00  -76.19  326.45  -77.60  188.56
   18.00  -76.05  341.45  -81.09  195.94
   19.00  -76.55  356.45  -84.87  195.89
   20.00  -75.89   11.45  -88.74  207.12
   21.00  -73.96   26.45  -86.33    6.10
   22.00  -73.02   41.45  -81.63   25.05
   23.00  -72.14   56.45  -76.75   36.22
</PRE>


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