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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>
29 Jul 1997 19:08:16 yearsecs  18126496
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.13  142.39  -51.92   87.40
    1.00  -65.32  157.39  -50.82   97.85
    2.00  -66.33  172.39  -51.01  108.42
    3.00  -67.34  187.39  -51.66  118.54
    4.00  -67.11  202.39  -51.65  128.28
    5.00  -67.93  217.39  -53.27  137.83
    6.00  -67.99  232.39  -54.66  147.52
    7.00  -68.05  247.39  -56.49  157.36
    8.00  -68.90  262.39  -59.38  166.64
    9.00  -68.94  277.39  -61.95  176.63
   10.00  -68.69  292.39  -64.69  187.30
   11.00  -68.31  307.39  -67.76  198.92
   12.00  -68.24  322.39  -71.42  211.46
   13.00  -68.41  337.39  -75.36  226.28
   14.00  -68.81  352.39  -79.31  246.13
   15.00  -69.45    7.39  -82.62  278.16
   16.00  -70.23   22.39  -83.45  327.78
   17.00  -70.81   37.39  -80.93    6.89
   18.00  -70.66   52.39  -76.64   26.49
   19.00  -70.02   67.39  -71.87   38.82
   20.00  -69.05   82.39  -67.02   48.83
   21.00  -68.20   97.39  -62.60   58.74
   22.00  -67.22  112.39  -58.49   68.32
   23.00  -65.74  127.39  -54.43   77.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.13  142.39  -57.01   91.05
    1.00  -71.50  157.39  -57.07  101.13
    2.00  -72.66  172.39  -57.39  110.52
    3.00  -77.52  187.39  -61.96  119.88
    4.00  -79.73  202.39  -64.31  126.79
    5.00  -80.19  217.39  -65.24  133.02
    6.00  -79.65  232.39  -65.58  139.79
    7.00  -79.07  247.39  -66.34  146.91
    8.00  -79.39  262.39  -68.25  152.72
    9.00  -79.25  277.39  -70.12  158.97
   10.00  -79.36  292.39  -72.46  164.17
   11.00  -79.24  307.39  -74.96  169.28
   12.00  -79.12  322.39  -77.69  173.43
   13.00  -78.80  337.39  -80.61  176.91
   14.00  -78.52  352.39  -83.70  176.03
   15.00  -78.04    7.39  -86.78  161.97
   16.00  -77.87   22.39  -87.26   92.55
   17.00  -77.30   37.39  -84.29   61.22
   18.00  -77.59   52.39  -80.63   63.64
   19.00  -76.98   67.39  -76.82   64.47
   20.00  -76.23   82.39  -72.94   67.97
   21.00  -74.40   97.39  -68.30   70.65
   22.00  -72.22  112.39  -63.40   75.23
   23.00  -70.74  127.39  -59.50   82.40
</PRE>


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