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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>
22 Dec 1997 13:08:00 yearsecs  30719280
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.21  228.04  -50.69  146.11
    1.00  -63.93  243.04  -52.17  156.82
    2.00  -64.83  258.04  -55.11  167.02
    3.00  -65.73  273.04  -58.36  177.10
    4.00  -65.51  288.04  -61.03  188.41
    5.00  -66.58  303.04  -65.27  198.42
    6.00  -66.78  318.04  -69.11  210.52
    7.00  -66.64  333.04  -72.79  225.65
    8.00  -67.16  348.04  -76.87  243.91
    9.00  -66.88    3.04  -79.44  273.13
   10.00  -66.46   18.04  -79.64  311.68
   11.00  -66.27   33.04  -77.17  345.43
   12.00  -66.30   48.04  -73.40    8.81
   13.00  -66.56   63.04  -69.55   26.25
   14.00  -67.04   78.04  -66.09   41.12
   15.00  -67.75   93.04  -63.15   54.67
   16.00  -68.68  108.04  -60.81   67.16
   17.00  -69.70  123.04  -59.13   78.49
   18.00  -69.56  138.04  -56.92   87.86
   19.00  -68.97  153.04  -54.85   96.92
   20.00  -67.84  168.04  -52.72  106.04
   21.00  -66.80  183.04  -51.17  115.61
   22.00  -65.77  198.04  -50.20  125.47
   23.00  -64.82  213.04  -49.98  135.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.74  228.04  -57.74  143.01
    1.00  -72.81  243.04  -60.24  151.15
    2.00  -73.79  258.04  -63.00  158.80
    3.00  -76.68  273.04  -67.58  162.42
    4.00  -79.02  288.04  -71.57  163.58
    5.00  -79.59  303.04  -74.35  166.75
    6.00  -78.99  318.04  -76.83  173.10
    7.00  -78.43  333.04  -79.69  178.82
    8.00  -79.07  348.04  -82.70  173.19
    9.00  -78.79    3.04  -85.55  162.26
   10.00  -78.97   18.04  -86.54  117.73
   11.00  -78.72   33.04  -84.83   80.24
   12.00  -78.62   48.04  -81.69   71.09
   13.00  -78.39   63.04  -78.32   70.31
   14.00  -78.42   78.04  -75.09   74.29
   15.00  -78.07   93.04  -71.90   78.25
   16.00  -78.13  108.04  -69.30   84.35
   17.00  -77.35  123.04  -66.39   89.22
   18.00  -77.43  138.04  -64.66   96.22
   19.00  -77.43  153.04  -63.31  103.26
   20.00  -76.58  168.04  -61.55  109.96
   21.00  -74.67  183.04  -59.11  117.09
   22.00  -73.26  198.04  -57.66  125.27
   23.00  -72.11  213.04  -57.03  134.05
</PRE>


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