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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>
31 Oct 1997 20:16:12 yearsecs  26252172
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.92  125.22  -52.87   74.23
    1.00  -63.63  140.22  -50.60   84.89
    2.00  -64.48  155.22  -50.12   95.94
    3.00  -65.32  170.22  -50.08  106.64
    4.00  -65.03  185.22  -49.37  116.81
    5.00  -66.06  200.22  -50.55  126.91
    6.00  -66.17  215.22  -51.42  136.83
    7.00  -65.88  230.22  -52.47  146.99
    8.00  -66.22  245.22  -54.55  157.06
    9.00  -66.26  260.22  -56.72  167.47
   10.00  -65.93  275.22  -58.93  178.48
   11.00  -65.82  290.22  -61.75  189.68
   12.00  -65.92  305.22  -65.20  201.17
   13.00  -66.23  320.22  -69.19  213.52
   14.00  -66.76  335.22  -73.44  227.84
   15.00  -67.52  350.22  -77.68  246.41
   16.00  -68.49    5.22  -81.37  274.72
   17.00  -69.57   20.22  -82.96  319.59
   18.00  -69.48   35.22  -80.17  357.60
   19.00  -68.91   50.22  -75.59   18.21
   20.00  -67.75   65.22  -70.23   31.06
   21.00  -66.66   80.22  -65.14   42.25
   22.00  -65.57   95.22  -60.40   52.93
   23.00  -64.57  110.22  -56.17   63.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.83  125.22  -59.91   81.16
    1.00  -72.16  140.22  -59.29   91.51
    2.00  -73.37  155.22  -59.10  101.08
    3.00  -76.40  170.22  -61.26  110.96
    4.00  -78.91  185.22  -63.41  119.13
    5.00  -79.63  200.22  -64.17  125.85
    6.00  -79.16  215.22  -64.12  132.63
    7.00  -78.77  230.22  -64.59  139.62
    8.00  -79.33  245.22  -66.35  145.63
    9.00  -79.01  260.22  -67.69  152.48
   10.00  -79.03  275.22  -69.66  158.62
   11.00  -78.64  290.22  -71.69  165.46
   12.00  -78.38  305.22  -74.18  171.73
   13.00  -77.99  320.22  -76.94  178.16
   14.00  -77.88  335.22  -80.07  182.51
   15.00  -77.34  350.22  -83.38  187.84
   16.00  -77.21    5.22  -86.85  180.47
   17.00  -76.11   20.22  -88.84   53.87
   18.00  -75.94   35.22  -84.79   45.37
   19.00  -75.66   50.22  -80.64   49.92
   20.00  -75.01   65.22  -76.35   54.63
   21.00  -73.16   80.22  -71.23   57.34
   22.00  -71.93   95.22  -66.64   64.03
   23.00  -70.96  110.22  -62.61   71.96
</PRE>


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