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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 Mar 1997 11:38:36 yearsecs   6176316
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.77  258.80  -53.36  169.02
    1.00  -63.25  273.80  -56.29  179.96
    2.00  -63.81  288.80  -59.67  190.96
    3.00  -64.36  303.80  -63.49  202.26
    4.00  -64.07  318.80  -66.93  215.85
    5.00  -65.38  333.80  -71.88  229.12
    6.00  -65.73  348.80  -75.73  248.50
    7.00  -65.70    3.80  -78.33  277.00
    8.00  -66.32   18.80  -79.42  313.60
    9.00  -65.69   33.80  -76.33  345.86
   10.00  -65.27   48.80  -72.01    7.68
   11.00  -65.08   63.80  -67.68   24.04
   12.00  -65.12   78.80  -63.82   38.22
   13.00  -65.38   93.80  -60.51   51.47
   14.00  -65.86  108.80  -57.80   63.98
   15.00  -66.57  123.80  -55.83   75.67
   16.00  -67.50  138.80  -54.74   86.66
   17.00  -68.54  153.80  -54.35   97.14
   18.00  -68.20  168.80  -53.06  106.67
   19.00  -67.98  183.80  -52.34  116.30
   20.00  -66.66  198.80  -51.10  125.95
   21.00  -65.56  213.80  -50.75  136.01
   22.00  -64.39  228.80  -50.94  146.58
   23.00  -63.22  243.80  -51.61  157.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.33  258.80  -58.34  164.75
    1.00  -69.57  273.80  -61.84  173.46
    2.00  -70.60  288.80  -65.54  181.87
    3.00  -71.83  303.80  -69.72  189.33
    4.00  -74.93  318.80  -75.22  189.78
    5.00  -75.53  333.80  -79.05  195.28
    6.00  -75.52  348.80  -82.76  203.39
    7.00  -74.88    3.80  -86.46  224.35
    8.00  -76.16   18.80  -89.18   64.80
    9.00  -75.91   33.80  -85.18   44.43
   10.00  -76.10   48.80  -81.18   52.29
   11.00  -76.00   63.80  -77.25   58.38
   12.00  -75.67   78.80  -73.40   64.34
   13.00  -75.55   93.80  -69.97   71.53
   14.00  -75.79  108.80  -67.27   79.58
   15.00  -75.39  123.80  -64.51   86.41
   16.00  -75.28  138.80  -62.51   93.95
   17.00  -73.54  153.80  -59.39  100.41
   18.00  -73.20  168.80  -58.10  108.68
   19.00  -73.92  183.80  -58.34  117.35
   20.00  -73.14  198.80  -57.55  125.71
   21.00  -70.74  213.80  -55.74  134.86
   22.00  -69.69  228.80  -55.89  144.44
   23.00  -68.63  243.80  -56.55  154.61
</PRE>


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