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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>
24 Feb 1997 23:31:13 yearsecs   4750273
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.97   83.82  -60.16   39.25
    1.00  -64.19   98.82  -58.12   53.91
    2.00  -64.99  113.82  -55.92   66.76
    3.00  -67.79  128.82  -56.32   80.29
    4.00  -67.39  143.82  -54.08   89.90
    5.00  -68.03  158.82  -53.46  100.12
    6.00  -67.94  173.82  -52.58  109.84
    7.00  -68.30  188.82  -52.62  119.56
    8.00  -69.42  203.82  -53.98  128.99
    9.00  -69.92  218.82  -55.27  138.16
   10.00  -69.56  233.82  -56.26  147.66
   11.00  -69.23  248.82  -57.73  157.46
   12.00  -69.15  263.82  -59.83  167.33
   13.00  -69.32  278.82  -62.53  177.11
   14.00  -69.73  293.82  -65.86  186.64
   15.00  -70.38  308.82  -69.77  195.89
   16.00  -71.01  323.82  -73.92  205.72
   17.00  -71.12  338.82  -77.80  219.14
   18.00  -71.24  353.82  -81.65  238.51
   19.00  -70.57    8.82  -83.93  279.14
   20.00  -69.72   23.82  -82.72  331.01
   21.00  -68.91   38.82  -78.68    2.13
   22.00  -66.73   53.82  -72.28   16.78
   23.00  -64.60   68.82  -65.79   28.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.97   83.82  -65.59   47.77
    1.00  -69.19   98.82  -63.26   61.42
    2.00  -69.99  113.82  -60.99   72.88
    3.00  -76.29  128.82  -64.66   90.25
    4.00  -78.43  143.82  -65.05  100.12
    5.00  -78.83  158.82  -64.31  107.20
    6.00  -77.94  173.82  -62.69  113.49
    7.00  -76.62  188.82  -61.03  120.45
    8.00  -76.59  203.82  -61.13  128.02
    9.00  -76.45  218.82  -61.62  135.65
   10.00  -76.34  233.82  -62.58  143.33
   11.00  -76.53  248.82  -64.24  150.72
   12.00  -76.94  263.82  -66.46  157.53
   13.00  -76.82  278.82  -68.59  164.92
   14.00  -76.68  293.82  -71.09  172.20
   15.00  -76.55  308.82  -73.94  179.37
   16.00  -76.41  323.82  -77.10  186.44
   17.00  -76.25  338.82  -80.51  193.52
   18.00  -77.57  353.82  -84.19  184.94
   19.00  -77.94    8.82  -87.07  158.95
   20.00  -77.10   23.82  -87.56   73.54
   21.00  -75.06   38.82  -83.53   38.21
   22.00  -71.73   53.82  -77.16   32.09
   23.00  -69.60   68.82  -71.10   38.94
</PRE>


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