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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>
07 May 1997 12:19:33 yearsecs  10930773
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.71  248.35  -50.84  161.87
    1.00  -62.97  263.35  -54.26  172.29
    2.00  -63.78  278.35  -57.59  182.94
    3.00  -67.51  293.35  -63.89  189.73
    4.00  -67.28  308.35  -67.13  201.47
    5.00  -68.16  323.35  -71.60  212.49
    6.00  -68.40  338.35  -75.59  227.43
    7.00  -69.16  353.35  -79.82  246.62
    8.00  -69.53    8.35  -82.80  280.80
    9.00  -69.51   23.35  -82.54  329.13
   10.00  -69.03   38.35  -78.92    1.70
   11.00  -68.61   53.35  -74.40   20.99
   12.00  -68.46   68.35  -70.10   35.64
   13.00  -68.57   83.35  -66.31   48.59
   14.00  -68.95   98.35  -63.13   60.68
   15.00  -69.59  113.35  -60.68   72.03
   16.00  -70.21  128.35  -58.83   82.41
   17.00  -70.28  143.35  -57.07   91.76
   18.00  -70.39  158.35  -55.88  101.06
   19.00  -69.67  173.35  -54.33  110.06
   20.00  -68.87  188.35  -53.19  119.32
   21.00  -68.12  203.35  -52.68  128.81
   22.00  -65.73  218.35  -51.24  139.03
   23.00  -63.47  233.35  -50.56  150.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.71  248.35  -55.41  158.90
    1.00  -67.97  263.35  -58.72  168.16
    2.00  -68.78  278.35  -61.98  177.48
    3.00  -75.43  293.35  -70.15  175.07
    4.00  -77.68  308.35  -74.43  175.32
    5.00  -77.79  323.35  -77.52  180.03
    6.00  -77.46  338.35  -80.69  185.73
    7.00  -76.33  353.35  -84.08  197.93
    8.00  -76.53    8.35  -87.82  189.34
    9.00  -76.63   23.35  -87.89   63.39
   10.00  -76.43   38.35  -84.03   51.76
   11.00  -76.58   53.35  -80.15   57.22
   12.00  -76.95   68.35  -76.59   64.72
   13.00  -76.79   83.35  -73.08   70.25
   14.00  -76.63   98.35  -69.87   76.48
   15.00  -76.46  113.35  -67.07   83.11
   16.00  -76.29  128.35  -64.72   90.02
   17.00  -76.06  143.35  -62.80   97.13
   18.00  -77.26  158.35  -62.78  105.65
   19.00  -77.53  173.35  -62.28  113.07
   20.00  -76.52  188.35  -60.93  120.20
   21.00  -74.26  203.35  -58.78  128.14
   22.00  -70.73  218.35  -56.02  137.61
   23.00  -68.47  233.35  -55.20  147.92
</PRE>


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