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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>
13 Sep 1997 13:09:12 yearsecs  22079352
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.74  235.35  -48.23  152.67
    1.00  -61.39  250.35  -50.82  163.55
    2.00  -62.03  265.35  -53.74  174.49
    3.00  -62.67  280.35  -56.97  185.54
    4.00  -61.91  295.35  -59.34  198.32
    5.00  -63.02  310.35  -63.86  209.68
    6.00  -63.89  325.35  -68.42  222.61
    7.00  -64.30  340.35  -72.48  239.27
    8.00  -64.78  355.35  -76.12  261.55
    9.00  -64.22   10.35  -77.24  293.79
   10.00  -63.80   25.35  -75.77  327.41
   11.00  -63.61   40.35  -72.28  353.41
   12.00  -63.65   55.35  -68.27   12.54
   13.00  -63.91   70.35  -64.58   28.35
   14.00  -64.39   85.35  -61.41   42.79
   15.00  -65.10  100.35  -58.76   56.39
   16.00  -66.03  115.35  -56.72   69.06
   17.00  -67.19  130.35  -55.49   80.76
   18.00  -67.17  145.35  -53.71   90.77
   19.00  -66.52  160.35  -51.84  100.41
   20.00  -65.02  175.35  -49.58  110.07
   21.00  -63.91  190.35  -48.24  120.20
   22.00  -62.47  205.35  -47.24  130.64
   23.00  -61.30  220.35  -47.19  141.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.33  235.35  -58.98  147.00
    1.00  -73.11  250.35  -61.39  155.12
    2.00  -74.01  265.35  -64.24  162.63
    3.00  -74.80  280.35  -67.31  169.60
    4.00  -76.87  295.35  -71.49  172.40
    5.00  -77.93  310.35  -74.94  175.16
    6.00  -77.71  325.35  -77.91  181.00
    7.00  -77.22  340.35  -81.10  187.72
    8.00  -77.83  355.35  -84.49  181.47
    9.00  -77.75   10.35  -87.45  156.04
   10.00  -77.61   25.35  -86.95   78.96
   11.00  -77.32   40.35  -83.56   60.88
   12.00  -76.99   55.35  -79.77   60.45
   13.00  -76.88   70.35  -76.08   65.17
   14.00  -76.80   85.35  -72.65   71.17
   15.00  -76.34  100.35  -69.27   76.70
   16.00  -76.19  115.35  -66.51   83.55
   17.00  -74.98  130.35  -63.23   89.20
   18.00  -74.78  145.35  -61.36   96.86
   19.00  -75.28  160.35  -60.67  105.20
   20.00  -74.79  175.35  -59.43  112.96
   21.00  -73.26  190.35  -57.61  120.93
   22.00  -72.97  205.35  -57.55  129.45
   23.00  -72.04  220.35  -57.42  138.35
</PRE>


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