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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
31 Mar 1997 02:44:58 yearsecs   7699498
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.90   31.07  -74.82  338.56
    1.00  -63.78   46.07  -70.96    1.57
    2.00  -64.60   61.07  -67.86   20.37
    3.00  -65.43   76.07  -64.85   36.33
    4.00  -65.20   91.07  -60.95   48.94
    5.00  -66.32  106.07  -58.82   62.50
    6.00  -66.55  121.07  -56.25   73.74
    7.00  -66.41  136.07  -53.95   83.98
    8.00  -66.88  151.07  -52.90   94.39
    9.00  -66.62  166.07  -51.60  104.29
   10.00  -66.20  181.07  -50.61  114.20
   11.00  -66.01  196.07  -50.40  124.16
   12.00  -66.04  211.07  -51.03  134.11
   13.00  -66.30  226.07  -52.45  144.03
   14.00  -66.78  241.07  -54.54  153.91
   15.00  -67.49  256.07  -57.19  163.62
   16.00  -68.42  271.07  -60.38  172.95
   17.00  -69.47  286.07  -64.05  181.78
   18.00  -69.37  301.07  -67.16  192.33
   19.00  -68.76  316.07  -70.25  204.92
   20.00  -67.58  331.07  -73.09  221.39
   21.00  -66.53  346.07  -75.85  242.53
   22.00  -65.47    1.07  -77.74  271.50
   23.00  -64.47   16.07  -77.49  307.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.24   31.07  -81.92  351.78
    1.00  -71.45   46.07  -79.11   22.43
    2.00  -72.56   61.07  -75.79   41.78
    3.00  -75.37   76.07  -73.85   61.91
    4.00  -78.09   91.07  -72.30   77.58
    5.00  -79.08  106.07  -70.32   85.94
    6.00  -79.27  121.07  -68.31   92.02
    7.00  -77.95  136.07  -65.35   96.03
    8.00  -78.38  151.07  -64.39  103.30
    9.00  -77.94  166.07  -63.01  109.83
   10.00  -78.03  181.07  -62.58  116.97
   11.00  -77.73  196.07  -62.17  124.09
   12.00  -77.55  211.07  -62.33  131.36
   13.00  -77.29  226.07  -62.89  138.78
   14.00  -77.35  241.07  -64.17  146.02
   15.00  -76.95  256.07  -65.47  153.76
   16.00  -76.98  271.07  -67.51  160.94
   17.00  -75.97  286.07  -69.19  170.20
   18.00  -75.96  301.07  -72.01  177.56
   19.00  -76.10  316.07  -75.24  184.21
   20.00  -75.22  331.07  -78.26  195.32
   21.00  -73.13  346.07  -80.97  217.53
   22.00  -71.74    1.07  -83.71  250.44
   23.00  -70.57   16.07  -84.30  305.68
</PRE>


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