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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>
17 Apr 1997 00:58:30 yearsecs   9161910
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.60   55.72  -61.57    6.05
    1.00  -59.15   70.72  -58.49   21.75
    2.00  -59.71   85.72  -55.79   36.49
    3.00  -60.26  100.72  -53.34   50.65
    4.00  -59.84  115.72  -50.08   63.10
    5.00  -60.76  130.72  -48.75   75.88
    6.00  -62.21  145.72  -48.58   88.00
    7.00  -63.27  160.72  -48.51   99.28
    8.00  -63.43  175.72  -47.96  109.95
    9.00  -62.82  190.72  -47.16  120.38
   10.00  -62.38  205.72  -47.18  130.91
   11.00  -62.19  220.72  -48.07  141.56
   12.00  -62.22  235.72  -49.67  152.34
   13.00  -62.48  250.72  -51.89  163.20
   14.00  -62.96  265.72  -54.65  174.08
   15.00  -63.67  280.72  -57.94  184.86
   16.00  -64.60  295.72  -61.86  195.45
   17.00  -65.76  310.72  -66.40  205.96
   18.00  -65.84  325.72  -70.25  219.56
   19.00  -64.89  340.72  -73.12  238.62
   20.00  -63.27  355.72  -74.68  264.73
   21.00  -62.13   10.72  -74.94  296.06
   22.00  -60.45   25.72  -71.69  326.53
   23.00  -59.33   40.72  -66.72  349.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.79   55.72  -74.90   27.10
    1.00  -70.54   70.72  -71.46   43.05
    2.00  -71.43   85.72  -68.41   56.58
    3.00  -72.02  100.72  -65.52   67.72
    4.00  -73.51  115.72  -64.02   79.17
    5.00  -74.74  130.72  -62.95   89.08
    6.00  -74.82  145.72  -61.36   97.09
    7.00  -73.95  160.72  -59.30  104.54
    8.00  -74.20  175.72  -58.82  112.95
    9.00  -74.47  190.72  -58.83  121.23
   10.00  -74.18  205.72  -58.77  129.45
   11.00  -73.88  220.72  -59.22  137.82
   12.00  -73.67  235.72  -60.26  146.32
   13.00  -73.61  250.72  -61.88  154.85
   14.00  -73.58  265.72  -63.93  163.42
   15.00  -73.24  280.72  -66.14  172.54
   16.00  -73.37  295.72  -69.14  181.00
   17.00  -72.83  310.72  -72.03  191.39
   18.00  -72.59  325.72  -75.47  202.33
   19.00  -72.46  340.72  -79.19  215.50
   20.00  -72.03  355.72  -82.70  237.43
   21.00  -70.75   10.72  -84.29  285.23
   22.00  -70.66   25.72  -83.41  339.44
   23.00  -69.51   40.72  -78.79    7.20
</PRE>


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