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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>
23 Oct 1997 20:12:24 yearsecs  25560744
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.56  125.79  -51.35   73.49
    1.00  -63.09  140.79  -49.98   84.95
    2.00  -63.64  155.79  -49.22   95.95
    3.00  -64.18  170.79  -48.90  106.69
    4.00  -63.86  185.79  -48.19  117.05
    5.00  -65.16  200.79  -49.69  127.33
    6.00  -65.55  215.79  -50.87  137.35
    7.00  -65.71  230.79  -52.38  147.44
    8.00  -66.16  245.79  -54.57  157.49
    9.00  -65.52  260.79  -56.15  168.46
   10.00  -65.11  275.79  -58.31  179.73
   11.00  -64.92  290.79  -61.07  191.22
   12.00  -64.96  305.79  -64.49  203.07
   13.00  -65.22  320.79  -68.45  215.86
   14.00  -65.70  335.79  -72.65  230.81
   15.00  -66.41  350.79  -76.78  250.18
   16.00  -67.34    5.79  -80.26  278.77
   17.00  -68.50   20.79  -81.71  320.14
   18.00  -68.53   35.79  -79.04  355.67
   19.00  -67.83   50.79  -74.31   15.89
   20.00  -66.49   65.79  -68.73   28.82
   21.00  -65.39   80.79  -63.63   40.46
   22.00  -64.20   95.79  -58.79   51.40
   23.00  -63.01  110.79  -54.40   62.21
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.43  125.79  -62.37   84.70
    1.00  -74.36  140.79  -61.40   93.99
    2.00  -75.19  155.79  -60.88  102.73
    3.00  -76.10  170.79  -60.94  111.11
    4.00  -78.51  185.79  -62.99  119.30
    5.00  -79.37  200.79  -63.91  126.14
    6.00  -78.72  215.79  -63.71  133.10
    7.00  -77.95  230.79  -63.85  140.56
    8.00  -78.50  245.79  -65.67  146.93
    9.00  -78.78  260.79  -67.57  153.12
   10.00  -79.07  275.79  -69.76  158.76
   11.00  -79.14  290.79  -72.08  164.25
   12.00  -79.04  305.79  -74.58  169.57
   13.00  -79.13  320.79  -77.39  173.06
   14.00  -79.36  335.79  -80.30  173.33
   15.00  -78.96  350.79  -83.26  172.87
   16.00  -78.76    5.79  -85.99  157.23
   17.00  -77.36   20.79  -87.92   91.71
   18.00  -77.10   35.79  -84.70   59.41
   19.00  -77.68   50.79  -81.03   64.07
   20.00  -77.10   65.79  -77.26   64.46
   21.00  -75.25   80.79  -72.65   63.96
   22.00  -74.46   95.79  -68.69   69.92
   23.00  -73.63  110.79  -65.01   76.61
</PRE>


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