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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>
29 Jun 1997 11:42:39 yearsecs  15507759
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.87  258.55  -47.79  172.41
    1.00  -57.21  273.55  -50.70  184.45
    2.00  -57.55  288.55  -53.85  196.80
    3.00  -57.88  303.55  -57.39  209.56
    4.00  -58.20  318.55  -61.32  223.30
    5.00  -58.93  333.55  -65.71  238.66
    6.00  -60.85  348.55  -70.91  256.32
    7.00  -62.13    3.55  -74.55  281.13
    8.00  -62.20   18.55  -74.74  312.79
    9.00  -61.61   33.55  -71.49  340.67
   10.00  -61.24   48.55  -67.09    1.12
   11.00  -61.08   63.55  -62.83   17.29
   12.00  -61.14   78.55  -59.19   31.79
   13.00  -61.41   93.55  -56.16   45.74
   14.00  -61.91  108.55  -53.65   59.20
   15.00  -62.63  123.55  -51.77   71.85
   16.00  -63.57  138.55  -50.72   83.65
   17.00  -64.73  153.55  -50.50   94.91
   18.00  -64.97  168.55  -49.81  105.39
   19.00  -63.59  183.55  -47.95  115.46
   20.00  -61.92  198.55  -46.43  125.87
   21.00  -60.72  213.55  -46.07  136.72
   22.00  -58.88  228.55  -45.66  148.25
   23.00  -57.78  243.55  -46.42  160.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.43  258.55  -61.89  160.62
    1.00  -73.35  273.55  -64.99  168.23
    2.00  -74.22  288.55  -68.35  175.18
    3.00  -74.71  303.55  -71.72  182.23
    4.00  -75.46  318.55  -75.45  187.78
    5.00  -76.56  333.55  -79.37  189.66
    6.00  -76.88  348.55  -82.97  191.89
    7.00  -75.93    3.55  -86.65  205.86
    8.00  -75.87   18.55  -89.33   42.48
    9.00  -76.14   33.55  -85.28   47.40
   10.00  -75.63   48.55  -81.08   48.87
   11.00  -75.28   63.55  -76.93   54.91
   12.00  -75.05   78.55  -73.04   62.14
   13.00  -74.86   93.55  -69.48   69.65
   14.00  -74.84  108.55  -66.49   77.58
   15.00  -74.64  123.55  -63.85   85.17
   16.00  -74.95  138.55  -62.22   93.44
   17.00  -75.13  153.55  -61.00  101.51
   18.00  -74.79  168.55  -59.71  109.29
   19.00  -73.92  183.55  -58.33  117.21
   20.00  -73.63  198.55  -58.03  125.55
   21.00  -72.92  213.55  -57.86  134.13
   22.00  -73.06  228.55  -59.03  142.63
   23.00  -72.26  243.55  -59.81  151.88
</PRE>


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