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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>
10 Oct 1997 14:27:00 yearsecs  24416820
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.91  211.93  -42.22  136.10
    1.00  -57.24  226.93  -43.89  147.50
    2.00  -57.56  241.93  -45.99  158.96
    3.00  -57.87  256.93  -48.50  170.56
    4.00  -58.18  271.93  -51.32  182.44
    5.00  -58.90  286.93  -54.80  194.27
    6.00  -60.81  301.93  -59.80  205.06
    7.00  -62.38  316.93  -64.91  216.57
    8.00  -61.96  331.93  -68.27  232.76
    9.00  -61.20  346.93  -70.94  253.41
   10.00  -60.91    1.93  -73.08  279.17
   11.00  -60.82   16.93  -73.27  309.56
   12.00  -60.93   31.93  -71.01  337.50
   13.00  -61.26   46.93  -67.56  359.16
   14.00  -61.79   61.93  -64.18   16.66
   15.00  -62.55   76.93  -61.31   32.34
   16.00  -63.51   91.93  -58.90   47.15
   17.00  -64.69  106.93  -56.95   61.09
   18.00  -64.95  121.93  -54.47   72.76
   19.00  -63.60  136.93  -50.94   82.50
   20.00  -61.96  151.93  -47.78   92.38
   21.00  -60.79  166.93  -45.63  102.90
   22.00  -58.94  181.93  -43.29  113.59
   23.00  -57.83  196.93  -42.33  124.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.62  211.93  -60.45  132.42
    1.00  -76.48  226.93  -62.16  139.74
    2.00  -77.29  241.93  -64.20  146.49
    3.00  -77.79  256.93  -66.28  152.98
    4.00  -78.50  271.93  -68.80  158.40
    5.00  -79.58  286.93  -71.74  161.62
    6.00  -79.98  301.93  -74.33  165.02
    7.00  -79.52  316.93  -76.77  170.46
    8.00  -79.71  331.93  -79.57  171.23
    9.00  -79.69  346.93  -82.33  168.70
   10.00  -79.14    1.93  -85.14  160.50
   11.00  -78.72   16.93  -86.84  121.28
   12.00  -78.40   31.93  -85.21   78.03
   13.00  -78.11   46.93  -81.97   67.20
   14.00  -77.97   61.93  -78.46   67.81
   15.00  -77.70   76.93  -74.99   71.03
   16.00  -77.84   91.93  -71.97   77.13
   17.00  -77.88  106.93  -69.29   83.31
   18.00  -77.46  121.93  -66.65   88.92
   19.00  -76.60  136.93  -63.99   94.60
   20.00  -76.26  151.93  -62.24  101.63
   21.00  -75.75  166.93  -60.76  108.93
   22.00  -75.95  181.93  -60.43  116.80
   23.00  -75.38  196.93  -59.79  124.59
</PRE>


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