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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 Oct 1997 15:39:20 yearsecs  26062760
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.41  191.77  -48.75  121.21
    1.00  -64.03  206.77  -48.84  131.48
    2.00  -64.97  221.77  -50.81  141.55
    3.00  -65.91  236.77  -53.23  151.43
    4.00  -65.71  251.77  -54.98  161.94
    5.00  -66.75  266.77  -58.20  171.65
    6.00  -66.93  281.77  -61.02  182.12
    7.00  -66.77  296.77  -64.00  193.33
    8.00  -67.23  311.77  -67.92  204.35
    9.00  -67.04  326.77  -71.54  218.19
   10.00  -66.69  341.77  -74.99  236.12
   11.00  -66.45  356.77  -78.02  260.80
   12.00  -66.48   11.77  -79.76  295.33
   13.00  -66.74   26.77  -78.94  333.23
   14.00  -67.22   41.77  -76.10    2.17
   15.00  -67.92   56.77  -72.74   22.93
   16.00  -68.85   71.77  -69.57   39.61
   17.00  -69.85   86.77  -66.70   53.86
   18.00  -69.69  101.77  -63.10   64.33
   19.00  -69.11  116.77  -59.59   73.69
   20.00  -68.00  131.77  -56.13   82.44
   21.00  -66.97  146.77  -53.37   91.58
   22.00  -65.96  161.77  -51.18  101.12
   23.00  -65.04  176.77  -49.55  111.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.41  191.77  -56.75  121.68
    1.00  -73.44  206.77  -58.07  130.17
    2.00  -74.40  221.77  -59.79  138.16
    3.00  -77.40  236.77  -63.83  143.89
    4.00  -79.61  251.77  -67.25  147.99
    5.00  -80.13  266.77  -69.34  152.99
    6.00  -79.55  281.77  -70.95  159.87
    7.00  -79.04  296.77  -73.02  166.62
    8.00  -79.61  311.77  -75.87  168.96
    9.00  -79.43  326.77  -78.58  172.49
   10.00  -79.51  341.77  -81.42  171.63
   11.00  -79.28  356.77  -84.22  165.55
   12.00  -79.22   11.77  -86.18  137.76
   13.00  -78.97   26.77  -85.72   93.03
   14.00  -78.98   41.77  -82.98   75.90
   15.00  -78.64   56.77  -79.76   70.93
   16.00  -78.71   71.77  -76.52   73.83
   17.00  -78.04   86.77  -73.11   75.82
   18.00  -78.15  101.77  -70.37   81.88
   19.00  -78.06  116.77  -67.89   87.81
   20.00  -77.20  131.77  -65.14   92.98
   21.00  -75.35  146.77  -61.78   98.15
   22.00  -73.92  161.77  -59.21  105.10
   23.00  -72.78  176.77  -57.35  113.08
</PRE>


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