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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>
29 May 1997 14:38:25 yearsecs  12839905
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.38  218.88  -51.90  139.21
    1.00  -66.57  233.88  -53.51  149.16
    2.00  -67.48  248.88  -56.17  158.74
    3.00  -68.38  263.88  -59.16  168.12
    4.00  -68.13  278.88  -61.52  178.64
    5.00  -68.89  293.88  -65.17  188.04
    6.00  -68.95  308.88  -68.64  198.85
    7.00  -69.43  323.88  -72.75  209.97
    8.00  -70.66  338.88  -77.49  220.87
    9.00  -70.70  353.88  -81.24  241.28
   10.00  -70.19    8.88  -83.54  280.56
   11.00  -69.73   23.88  -82.71  331.17
   12.00  -69.51   38.88  -79.27    4.19
   13.00  -69.52   53.88  -75.16   24.27
   14.00  -69.76   68.88  -71.23   39.41
   15.00  -70.23   83.88  -67.77   52.52
   16.00  -70.65   98.88  -64.65   63.99
   17.00  -70.46  113.88  -61.44   73.56
   18.00  -70.16  128.88  -58.71   82.69
   19.00  -69.91  143.88  -56.63   91.79
   20.00  -69.25  158.88  -54.70  100.78
   21.00  -68.66  173.88  -53.29  110.08
   22.00  -68.19  188.88  -52.51  119.59
   23.00  -67.43  203.88  -52.03  129.21
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.98  218.88  -57.25  137.51
    1.00  -73.32  233.88  -59.76  145.51
    2.00  -74.29  248.88  -62.25  153.14
    3.00  -79.45  263.88  -68.48  153.20
    4.00  -81.28  278.88  -71.64  154.32
    5.00  -81.76  293.88  -73.86  156.74
    6.00  -81.28  308.88  -75.87  161.38
    7.00  -80.63  323.88  -78.18  165.95
    8.00  -80.86  338.88  -80.64  163.22
    9.00  -80.55  353.88  -83.07  157.75
   10.00  -80.13    8.88  -85.09  140.16
   11.00  -79.97   23.88  -85.15  106.60
   12.00  -79.99   38.88  -83.12   86.18
   13.00  -79.59   53.88  -80.39   77.11
   14.00  -79.15   68.88  -77.26   75.32
   15.00  -78.67   83.88  -74.03   77.04
   16.00  -78.10   98.88  -70.84   80.60
   17.00  -77.71  113.88  -68.03   85.86
   18.00  -78.48  128.88  -66.66   93.72
   19.00  -79.06  143.88  -65.64  100.95
   20.00  -78.46  158.88  -63.94  106.90
   21.00  -76.91  173.88  -61.63  113.04
   22.00  -74.38  188.88  -58.74  120.22
   23.00  -72.95  203.88  -57.48  128.61
</PRE>


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