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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>
18 Sep 1997 22:15:16 yearsecs  22544116
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.56   95.71  -57.01   49.11
    1.00  -63.10  110.71  -54.52   62.25
    2.00  -63.65  125.71  -52.51   74.35
    3.00  -64.18  140.71  -51.12   85.60
    4.00  -63.87  155.71  -49.45   95.99
    5.00  -65.17  170.71  -49.91  106.93
    6.00  -65.56  185.71  -49.90  117.21
    7.00  -65.48  200.71  -49.99  127.26
    8.00  -66.17  215.71  -51.46  137.16
    9.00  -65.53  230.71  -52.20  147.46
   10.00  -65.15  245.71  -53.64  158.03
   11.00  -64.93  260.71  -55.61  168.87
   12.00  -64.96  275.71  -58.16  179.81
   13.00  -65.22  290.71  -61.33  190.79
   14.00  -65.71  305.71  -65.14  201.89
   15.00  -66.41  320.71  -69.47  213.63
   16.00  -67.34  335.71  -74.06  227.05
   17.00  -68.50  350.71  -78.66  244.31
   18.00  -68.53    5.71  -81.48  275.90
   19.00  -67.84   20.71  -80.98  319.33
   20.00  -66.50   35.71  -76.82  350.70
   21.00  -65.40   50.71  -71.63   10.28
   22.00  -64.20   65.71  -66.14   24.34
   23.00  -63.01   80.71  -60.95   36.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.73   95.71  -66.35   63.94
    1.00  -72.88  110.71  -64.33   75.29
    2.00  -73.87  125.71  -62.80   85.24
    3.00  -74.90  140.71  -61.94   94.52
    4.00  -77.57  155.71  -63.25  104.64
    5.00  -78.57  170.71  -63.44  112.37
    6.00  -77.97  185.71  -62.44  119.15
    7.00  -77.32  200.71  -61.81  126.37
    8.00  -78.28  215.71  -63.26  133.27
    9.00  -77.98  230.71  -63.88  140.50
   10.00  -78.00  245.71  -65.22  147.49
   11.00  -77.87  260.71  -66.81  154.60
   12.00  -77.50  275.71  -68.61  162.08
   13.00  -77.34  290.71  -70.96  169.11
   14.00  -77.49  305.71  -73.82  174.94
   15.00  -77.08  320.71  -76.69  182.31
   16.00  -76.91  335.71  -79.97  188.42
   17.00  -75.36  350.71  -83.20  205.89
   18.00  -75.13    5.71  -87.06  223.36
   19.00  -75.86   20.71  -88.75   39.84
   20.00  -75.28   35.71  -84.48   37.96
   21.00  -73.33   50.71  -79.23   36.47
   22.00  -72.60   65.71  -74.55   45.52
   23.00  -71.81   80.71  -69.99   54.01
</PRE>


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