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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>
13 Apr 1997 01:48:03 yearsecs   8819283
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.93   43.99  -72.91    0.70
    1.00  -66.08   58.99  -70.13   21.07
    2.00  -66.85   73.99  -66.94   37.18
    3.00  -67.76   88.99  -64.11   51.52
    4.00  -67.35  103.99  -60.31   62.36
    5.00  -67.99  118.99  -58.08   73.86
    6.00  -67.91  133.99  -55.75   83.83
    7.00  -68.28  148.99  -54.50   93.89
    8.00  -69.37  163.99  -54.50  104.07
    9.00  -69.59  178.99  -54.07  113.57
   10.00  -69.28  193.99  -53.62  122.88
   11.00  -69.00  208.99  -53.78  132.27
   12.00  -68.96  223.99  -54.77  141.72
   13.00  -69.16  238.99  -56.46  151.17
   14.00  -69.60  253.99  -58.76  160.51
   15.00  -70.27  268.99  -61.63  169.50
   16.00  -70.92  283.99  -64.85  178.25
   17.00  -71.04  298.99  -68.04  187.80
   18.00  -71.17  313.99  -71.61  197.81
   19.00  -70.51  328.99  -74.86  211.60
   20.00  -69.67  343.99  -78.03  230.50
   21.00  -68.90  358.99  -80.76  258.62
   22.00  -68.27   13.99  -81.77  299.99
   23.00  -66.38   28.99  -78.13  337.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.93   43.99  -78.32   13.53
    1.00  -71.08   58.99  -75.15   34.59
    2.00  -71.85   73.99  -71.74   49.29
    3.00  -77.60   88.99  -72.40   75.22
    4.00  -79.56  103.99  -70.99   86.48
    5.00  -79.94  118.99  -69.12   92.67
    6.00  -79.13  133.99  -66.66   96.92
    7.00  -78.19  148.99  -64.37  102.15
    8.00  -78.33  163.99  -63.51  109.13
    9.00  -78.38  178.99  -62.98  116.11
   10.00  -78.18  193.99  -62.62  123.10
   11.00  -78.28  208.99  -63.00  130.13
   12.00  -78.58  223.99  -64.00  136.93
   13.00  -78.41  238.99  -64.96  143.94
   14.00  -78.25  253.99  -66.32  150.97
   15.00  -78.08  268.99  -68.07  157.96
   16.00  -77.91  283.99  -70.20  164.83
   17.00  -77.72  298.99  -72.68  171.52
   18.00  -78.85  313.99  -76.01  172.70
   19.00  -79.10  328.99  -78.96  174.55
   20.00  -78.24  343.99  -81.98  180.61
   21.00  -76.31  358.99  -85.50  199.10
   22.00  -73.29   13.99  -87.22  291.16
   23.00  -71.38   28.99  -83.50  351.86
</PRE>


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