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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>
03 Apr 1997 00:25:36 yearsecs   7950336
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.79   65.47  -65.72   23.40
    1.00  -64.90   80.47  -63.16   39.34
    2.00  -65.79   95.47  -60.57   53.45
    3.00  -67.27  110.47  -58.91   67.00
    4.00  -66.95  125.47  -55.96   77.20
    5.00  -67.68  140.47  -54.74   87.91
    6.00  -67.64  155.47  -53.31   97.73
    7.00  -67.68  170.47  -52.45  107.57
    8.00  -68.51  185.47  -52.85  117.45
    9.00  -68.49  200.47  -52.95  126.96
   10.00  -68.24  215.47  -53.43  136.52
   11.00  -68.05  230.47  -54.52  146.24
   12.00  -68.08  245.47  -56.27  156.07
   13.00  -68.34  260.47  -58.60  165.87
   14.00  -68.82  275.47  -61.50  175.47
   15.00  -69.53  290.47  -64.99  184.68
   16.00  -70.33  305.47  -68.94  193.62
   17.00  -70.86  320.47  -72.96  203.49
   18.00  -70.82  335.47  -76.73  216.77
   19.00  -70.24  350.47  -80.06  237.61
   20.00  -69.33    5.47  -82.25  273.05
   21.00  -68.44   20.47  -81.69  319.18
   22.00  -66.82   35.47  -77.24  350.94
   23.00  -64.95   50.47  -71.17    9.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.79   65.47  -71.22   33.83
    1.00  -69.90   80.47  -68.32   49.19
    2.00  -70.79   95.47  -65.53   61.94
    3.00  -76.14  110.47  -67.27   81.10
    4.00  -78.38  125.47  -66.98   92.10
    5.00  -78.71  140.47  -65.62   99.02
    6.00  -77.86  155.47  -63.57  104.80
    7.00  -76.86  170.47  -61.72  111.33
    8.00  -76.93  185.47  -61.37  118.82
    9.00  -76.93  200.47  -61.41  126.30
   10.00  -77.06  215.47  -62.04  133.70
   11.00  -77.02  230.47  -62.95  141.13
   12.00  -77.32  245.47  -64.58  148.17
   13.00  -77.14  260.47  -66.18  155.62
   14.00  -77.09  275.47  -68.27  162.79
   15.00  -76.88  290.47  -70.61  170.17
   16.00  -76.97  305.47  -73.49  176.55
   17.00  -76.75  320.47  -76.50  183.60
   18.00  -77.58  335.47  -80.07  184.35
   19.00  -77.55  350.47  -83.43  185.87
   20.00  -76.60    5.47  -87.10  192.00
   21.00  -74.50   20.47  -88.11  348.59
   22.00  -71.82   35.47  -82.33    8.59
   23.00  -69.95   50.47  -76.52   21.82
</PRE>


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