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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>
26 Apr 1997 12:52:32 yearsecs   9982352
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.50  241.06  -51.52  155.62
    1.00  -63.59  256.06  -53.69  166.44
    2.00  -64.33  271.06  -56.77  176.95
    3.00  -65.05  286.06  -60.22  187.46
    4.00  -64.81  301.06  -63.25  199.42
    5.00  -65.99  316.06  -67.93  210.19
    6.00  -66.26  331.06  -71.97  224.27
    7.00  -66.13  346.06  -75.49  243.44
    8.00  -66.50    1.06  -78.78  269.49
    9.00  -66.29   16.06  -79.54  306.58
   10.00  -65.88   31.06  -77.14  341.00
   11.00  -65.68   46.06  -73.23    4.93
   12.00  -65.72   61.06  -69.15   22.49
   13.00  -65.98   76.06  -65.46   37.33
   14.00  -66.46   91.06  -62.29   50.94
   15.00  -67.17  106.06  -59.69   63.63
   16.00  -68.10  121.06  -57.84   75.39
   17.00  -69.18  136.06  -56.78   86.28
   18.00  -69.12  151.06  -55.17   95.75
   19.00  -68.48  166.06  -53.48  105.01
   20.00  -67.26  181.06  -51.67  114.39
   21.00  -66.19  196.06  -50.57  124.16
   22.00  -65.09  211.06  -50.11  134.25
   23.00  -64.03  226.06  -50.32  144.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.32  241.06  -60.49  149.60
    1.00  -74.41  256.06  -63.27  156.97
    2.00  -75.38  271.06  -66.24  163.68
    3.00  -77.30  286.06  -70.13  167.18
    4.00  -79.39  301.06  -73.92  166.85
    5.00  -80.27  316.06  -76.80  166.94
    6.00  -79.66  331.06  -79.41  171.49
    7.00  -79.07  346.06  -82.32  173.80
    8.00  -79.75    1.06  -84.60  156.28
    9.00  -79.44   16.06  -86.07  124.52
   10.00  -79.52   31.06  -84.67   90.66
   11.00  -79.29   46.06  -82.02   76.70
   12.00  -79.05   61.06  -78.88   73.74
   13.00  -78.83   76.06  -75.68   75.42
   14.00  -78.88   91.06  -72.77   80.12
   15.00  -78.50  106.06  -69.90   84.46
   16.00  -78.43  121.06  -67.60   90.34
   17.00  -77.37  136.06  -64.81   95.22
   18.00  -77.34  151.06  -63.37  102.22
   19.00  -77.69  166.06  -62.76  109.66
   20.00  -77.05  181.06  -61.57  116.66
   21.00  -75.29  196.06  -59.68  124.13
   22.00  -74.32  211.06  -59.11  132.34
   23.00  -73.48  226.06  -59.22  140.99
</PRE>


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