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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>
08 Apr 1997 21:35:29 yearsecs   8458529
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.58  106.50  -54.78   58.25
    1.00  -63.78  121.50  -53.31   71.33
    2.00  -64.64  136.50  -52.07   82.95
    3.00  -67.63  151.50  -53.62   95.12
    4.00  -67.22  166.50  -52.18  104.80
    5.00  -67.86  181.50  -52.26  114.80
    6.00  -67.74  196.50  -52.12  124.45
    7.00  -67.89  211.50  -52.84  134.06
    8.00  -68.80  226.50  -54.84  143.37
    9.00  -69.02  241.50  -56.62  152.88
   10.00  -68.78  256.50  -58.39  162.85
   11.00  -68.58  271.50  -60.59  173.07
   12.00  -68.62  286.50  -63.41  183.29
   13.00  -68.87  301.50  -66.85  193.51
   14.00  -69.36  316.50  -70.83  203.97
   15.00  -70.06  331.50  -75.17  215.27
   16.00  -70.79  346.50  -79.52  229.54
   17.00  -70.65    1.50  -82.85  257.46
   18.00  -71.18   16.50  -84.96  307.34
   19.00  -70.57   31.50  -82.15  354.11
   20.00  -69.72   46.50  -77.42   16.15
   21.00  -68.89   61.50  -72.41   30.31
   22.00  -66.06   76.50  -65.44   37.88
   23.00  -64.06   91.50  -59.60   47.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.58  106.50  -60.02   64.53
    1.00  -68.78  121.50  -58.45   76.44
    2.00  -69.64  136.50  -57.19   86.97
    3.00  -75.72  151.50  -61.74  100.93
    4.00  -77.98  166.50  -63.03  110.06
    5.00  -78.36  181.50  -62.90  117.27
    6.00  -77.45  196.50  -61.89  124.30
    7.00  -76.24  211.50  -61.04  132.01
    8.00  -76.30  226.50  -61.96  139.63
    9.00  -76.08  241.50  -63.05  147.48
   10.00  -75.77  256.50  -64.51  155.54
   11.00  -75.75  271.50  -66.61  163.30
   12.00  -76.17  286.50  -69.41  169.98
   13.00  -76.04  301.50  -72.15  177.53
   14.00  -75.98  316.50  -75.27  184.87
   15.00  -75.83  331.50  -78.62  192.63
   16.00  -75.82  346.50  -82.27  199.88
   17.00  -75.65    1.50  -86.08  209.55
   18.00  -76.83   16.50  -88.87  119.62
   19.00  -77.05   31.50  -85.78   60.73
   20.00  -76.13   46.50  -81.80   51.57
   21.00  -74.04   61.50  -76.73   48.15
   22.00  -71.06   76.50  -70.40   48.99
   23.00  -69.06   91.50  -64.80   55.83
</PRE>


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