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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 Aug 1997 19:25:44 yearsecs  19423544
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.56  138.04  -49.73   82.61
    1.00  -63.52  153.04  -49.30   93.94
    2.00  -64.17  168.04  -49.02  104.77
    3.00  -64.81  183.04  -49.18  115.29
    4.00  -64.54  198.04  -48.99  125.48
    5.00  -65.76  213.04  -50.88  135.46
    6.00  -66.04  228.04  -52.40  145.45
    7.00  -65.85  243.04  -53.93  155.77
    8.00  -66.29  258.04  -56.42  165.91
    9.00  -66.21  273.04  -58.79  176.62
   10.00  -65.87  288.04  -61.34  187.98
   11.00  -65.64  303.04  -64.44  199.84
   12.00  -65.64  318.04  -68.13  212.57
   13.00  -65.88  333.04  -72.13  227.26
   14.00  -66.34  348.04  -76.12  245.94
   15.00  -67.03    3.04  -79.60  272.80
   16.00  -67.95   18.04  -81.31  311.91
   17.00  -67.91   33.04  -79.01  348.78
   18.00  -67.82   48.04  -75.06   12.42
   19.00  -68.35   63.04  -71.44   30.41
   20.00  -67.08   78.04  -66.13   41.19
   21.00  -65.34   93.04  -60.64   50.78
   22.00  -64.09  108.04  -56.10   61.25
   23.00  -62.90  123.04  -52.14   71.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.56  138.04  -54.89   86.21
    1.00  -68.85  153.04  -54.73   96.84
    2.00  -69.96  168.04  -54.87  106.85
    3.00  -71.89  183.04  -56.29  116.51
    4.00  -75.01  198.04  -59.43  125.19
    5.00  -75.99  213.04  -60.86  132.88
    6.00  -75.08  228.04  -60.91  141.18
    7.00  -74.13  243.04  -61.44  150.05
    8.00  -75.04  258.04  -64.08  157.28
    9.00  -74.92  273.04  -66.18  165.48
   10.00  -75.21  288.04  -68.99  172.84
   11.00  -75.08  303.04  -71.85  180.94
   12.00  -74.82  318.04  -74.98  189.76
   13.00  -74.67  333.04  -78.48  199.06
   14.00  -74.90  348.04  -82.35  207.72
   15.00  -74.50    3.04  -86.09  228.79
   16.00  -74.45   18.04  -88.44  326.80
   17.00  -72.91   33.04  -83.86   11.27
   18.00  -72.82   48.04  -79.63   31.30
   19.00  -73.51   63.04  -75.95   46.97
   20.00  -72.76   78.04  -71.45   54.75
   21.00  -70.34   93.04  -65.67   59.38
   22.00  -69.09  108.04  -61.22   67.75
   23.00  -67.90  123.04  -57.32   76.51
</PRE>


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