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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>
18 Jul 1997 12:55:28 yearsecs  17153728
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.57  243.30  -50.01  158.19
    1.00  -62.16  258.30  -52.73  169.05
    2.00  -62.76  273.30  -55.76  180.00
    3.00  -63.36  288.30  -59.16  191.07
    4.00  -62.80  303.30  -61.96  203.89
    5.00  -64.00  318.30  -66.73  215.50
    6.00  -64.65  333.30  -71.10  229.94
    7.00  -64.88  348.30  -74.81  249.49
    8.00  -65.45    3.30  -78.01  276.31
    9.00  -64.81   18.30  -77.76  312.21
   10.00  -64.40   33.30  -74.94  343.13
   11.00  -64.21   48.30  -70.88    5.14
   12.00  -64.25   63.30  -66.84   22.01
   13.00  -64.50   78.30  -63.26   36.73
   14.00  -64.99   93.30  -60.21   50.47
   15.00  -65.70  108.30  -57.73   63.39
   16.00  -66.63  123.30  -55.97   75.38
   17.00  -67.78  138.30  -55.09   86.56
   18.00  -67.79  153.30  -53.64   96.39
   19.00  -67.12  168.30  -51.99  105.95
   20.00  -65.69  183.30  -50.06  115.60
   21.00  -64.59  198.30  -49.04  125.66
   22.00  -63.25  213.30  -48.49  136.10
   23.00  -62.08  228.30  -48.70  147.03
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.47  243.30  -61.78  149.90
    1.00  -75.39  258.30  -64.41  156.98
    2.00  -76.31  273.30  -67.33  163.23
    3.00  -77.18  288.30  -70.43  168.45
    4.00  -79.26  303.30  -74.24  168.01
    5.00  -79.99  318.30  -77.13  168.59
    6.00  -79.89  333.30  -79.82  170.11
    7.00  -79.28  348.30  -82.70  171.37
    8.00  -79.83    3.30  -84.82  152.22
    9.00  -79.60   18.30  -85.86  118.39
   10.00  -79.48   33.30  -84.34   87.35
   11.00  -79.21   48.30  -81.58   75.42
   12.00  -78.84   63.30  -78.37   72.82
   13.00  -78.66   78.30  -75.15   75.33
   14.00  -78.62   93.30  -72.20   80.05
   15.00  -78.17  108.30  -69.29   84.55
   16.00  -77.98  123.30  -66.92   90.46
   17.00  -76.72  138.30  -63.95   95.41
   18.00  -76.55  153.30  -62.42  102.57
   19.00  -77.14  168.30  -62.10  110.41
   20.00  -76.73  183.30  -61.20  117.69
   21.00  -75.28  198.30  -59.70  125.32
   22.00  -74.92  213.30  -59.82  133.37
   23.00  -74.26  228.30  -60.15  141.81
</PRE>


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