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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>
22 Jun 1997 14:50:06 yearsecs  14914206
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.49  217.46  -51.89  138.24
    1.00  -66.51  232.46  -53.30  148.23
    2.00  -67.25  247.46  -55.78  157.94
    3.00  -67.99  262.46  -58.59  167.53
    4.00  -67.54  277.46  -60.74  178.35
    5.00  -68.11  292.46  -64.21  188.21
    6.00  -67.95  307.46  -67.48  199.61
    7.00  -68.20  322.46  -71.41  211.60
    8.00  -69.13  337.46  -75.96  224.28
    9.00  -69.59  352.46  -79.99  243.48
   10.00  -69.36    7.46  -82.53  278.59
   11.00  -69.14   22.46  -82.26  325.83
   12.00  -69.16   37.46  -79.28    0.58
   13.00  -69.39   52.46  -75.43   22.30
   14.00  -69.86   67.46  -71.71   38.43
   15.00  -70.55   82.46  -68.42   52.18
   16.00  -71.21   97.46  -65.48   64.07
   17.00  -71.33  112.46  -62.55   73.92
   18.00  -71.49  127.46  -60.23   83.28
   19.00  -70.85  142.46  -57.73   91.68
   20.00  -70.03  157.46  -55.58  100.31
   21.00  -69.25  172.46  -53.95  109.37
   22.00  -68.62  187.46  -52.95  118.73
   23.00  -67.70  202.46  -52.24  128.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.57  217.46  -56.77  136.81
    1.00  -72.69  232.46  -59.04  145.08
    2.00  -73.47  247.46  -61.35  153.13
    3.00  -78.76  262.46  -67.76  153.88
    4.00  -80.59  277.46  -71.03  155.69
    5.00  -81.01  292.46  -73.33  158.97
    6.00  -80.41  307.46  -75.39  164.75
    7.00  -79.53  322.46  -77.79  171.44
    8.00  -79.76  337.46  -80.59  170.60
    9.00  -79.62  352.46  -83.33  166.24
   10.00  -79.31    7.46  -85.73  148.37
   11.00  -79.32   22.46  -85.91  106.07
   12.00  -79.53   37.46  -83.60   83.55
   13.00  -79.33   52.46  -80.70   75.54
   14.00  -79.13   67.46  -77.55   74.98
   15.00  -78.94   82.46  -74.44   77.64
   16.00  -78.75   97.46  -71.54   81.92
   17.00  -78.55  112.46  -68.94   87.10
   18.00  -79.59  127.46  -67.80   95.11
   19.00  -79.85  142.46  -66.51  101.44
   20.00  -79.08  157.46  -64.64  106.82
   21.00  -77.32  172.46  -62.10  112.54
   22.00  -74.56  187.46  -58.93  119.46
   23.00  -72.85  202.46  -57.33  127.81
</PRE>


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