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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
11 Sep 1997 20:19:12 yearsecs  21932352
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.76  124.37  -51.78   72.58
    1.00  -63.25  139.37  -50.30   84.02
    2.00  -63.81  154.37  -49.49   95.02
    3.00  -64.36  169.37  -49.15  105.75
    4.00  -64.07  184.37  -48.42  116.09
    5.00  -65.38  199.37  -49.85  126.37
    6.00  -65.73  214.37  -50.95  136.36
    7.00  -65.61  229.37  -52.13  146.51
    8.00  -66.31  244.37  -54.53  156.42
    9.00  -65.69  259.37  -56.08  167.32
   10.00  -65.31  274.37  -58.23  178.48
   11.00  -65.08  289.37  -60.92  189.93
   12.00  -65.12  304.37  -64.30  201.67
   13.00  -65.37  319.37  -68.23  214.25
   14.00  -65.86  334.37  -72.44  228.82
   15.00  -66.56  349.37  -76.62  247.49
   16.00  -67.50    4.37  -80.25  274.94
   17.00  -68.64   19.37  -82.00  316.09
   18.00  -68.67   34.37  -79.53  353.40
   19.00  -67.98   49.37  -74.86   14.52
   20.00  -66.66   64.37  -69.29   27.78
   21.00  -65.56   79.37  -64.17   39.51
   22.00  -64.39   94.37  -59.32   50.48
   23.00  -63.21  109.37  -54.90   61.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.59  124.37  -63.68   85.52
    1.00  -75.65  139.37  -62.81   94.66
    2.00  -76.57  154.37  -62.36  103.12
    3.00  -77.61  169.37  -62.52  111.19
    4.00  -79.90  184.37  -64.44  119.00
    5.00  -80.77  199.37  -65.33  125.36
    6.00  -80.34  214.37  -65.26  131.67
    7.00  -79.90  229.37  -65.62  138.27
    8.00  -80.76  244.37  -67.54  143.36
    9.00  -80.61  259.37  -68.87  149.28
   10.00  -80.77  274.37  -70.74  154.23
   11.00  -80.75  289.37  -72.75  158.96
   12.00  -80.60  304.37  -74.96  163.32
   13.00  -80.34  319.37  -77.38  167.05
   14.00  -80.34  334.37  -79.98  167.32
   15.00  -79.91  349.37  -82.68  165.80
   16.00  -79.68    4.37  -85.07  151.61
   17.00  -78.36   19.37  -87.12  110.01
   18.00  -78.08   34.37  -84.83   71.77
   19.00  -78.56   49.37  -81.40   70.42
   20.00  -77.98   64.37  -77.91   68.45
   21.00  -76.26   79.37  -73.64   66.66
   22.00  -75.51   94.37  -69.83   71.73
   23.00  -74.77  109.37  -66.28   77.88
</PRE>


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