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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 Jun 1997 23:58:58 yearsecs  14601538
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.32   68.33  -67.85   30.90
    1.00  -66.43   83.33  -64.12   44.49
    2.00  -67.28   98.33  -61.46   57.98
    3.00  -68.12  113.33  -59.22   70.11
    4.00  -67.80  128.33  -56.40   79.97
    5.00  -68.52  143.33  -55.29   90.40
    6.00  -68.54  158.33  -54.02  100.07
    7.00  -69.02  173.33  -53.68  109.85
    8.00  -70.02  188.33  -54.35  119.43
    9.00  -70.61  203.33  -55.14  128.57
   10.00  -70.18  218.33  -55.49  137.78
   11.00  -69.73  233.33  -56.37  147.26
   12.00  -69.56  248.33  -57.97  156.90
   13.00  -69.65  263.33  -60.19  166.52
   14.00  -69.99  278.33  -63.01  175.92
   15.00  -70.57  293.33  -66.45  184.90
   16.00  -71.15  308.33  -70.24  193.88
   17.00  -71.21  323.33  -73.93  204.79
   18.00  -71.29  338.33  -77.80  217.96
   19.00  -70.59  353.33  -81.02  240.83
   20.00  -69.72    8.33  -83.00  280.22
   21.00  -68.92   23.33  -81.90  327.98
   22.00  -68.33   38.33  -78.20  359.60
   23.00  -67.47   53.33  -73.21   17.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.39   68.33  -72.85   43.59
    1.00  -72.52   83.33  -69.93   57.61
    2.00  -73.28   98.33  -67.15   68.75
    3.00  -78.61  113.33  -68.85   87.57
    4.00  -80.43  128.33  -68.42   97.04
    5.00  -80.79  143.33  -67.31  103.15
    6.00  -80.04  158.33  -65.53  108.12
    7.00  -79.23  173.33  -64.01  113.92
    8.00  -79.47  188.33  -63.95  120.64
    9.00  -79.53  203.33  -64.12  127.24
   10.00  -79.29  218.33  -64.39  133.94
   11.00  -79.32  233.33  -65.34  140.51
   12.00  -79.53  248.33  -66.83  146.68
   13.00  -79.33  263.33  -68.32  153.22
   14.00  -79.13  278.33  -70.17  159.62
   15.00  -78.93  293.33  -72.38  165.78
   16.00  -78.73  308.33  -74.91  171.51
   17.00  -78.52  323.33  -77.73  176.56
   18.00  -79.55  338.33  -80.77  171.92
   19.00  -79.78  353.33  -83.40  164.23
   20.00  -78.98    8.33  -86.12  148.97
   21.00  -77.19   23.33  -87.61   77.05
   22.00  -74.40   38.33  -83.37   31.77
   23.00  -72.68   53.33  -78.03   35.69
</PRE>


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