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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>
24 Oct 1997 13:18:00 yearsecs  25622280
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.75  226.17  -44.31  146.77
    1.00  -57.86  241.17  -46.18  158.24
    2.00  -57.92  256.17  -48.42  169.93
    3.00  -57.93  271.17  -50.95  181.99
    4.00  -57.87  286.17  -53.68  194.51
    5.00  -58.12  301.17  -57.08  207.21
    6.00  -59.42  316.17  -61.92  219.58
    7.00  -59.96  331.17  -66.16  234.62
    8.00  -59.45  346.17  -69.02  254.50
    9.00  -60.87    1.17  -72.97  277.76
   10.00  -60.64   16.17  -73.11  308.05
   11.00  -60.84   31.17  -71.06  336.18
   12.00  -61.20   46.17  -67.70  358.14
   13.00  -61.73   61.17  -64.31   15.79
   14.00  -62.44   76.17  -61.36   31.48
   15.00  -63.33   91.17  -58.87   46.24
   16.00  -64.40  106.17  -56.80   60.14
   17.00  -65.58  121.17  -55.24   72.81
   18.00  -65.25  136.17  -52.74   83.16
   19.00  -64.23  151.17  -50.17   92.98
   20.00  -63.24  166.17  -48.17  103.14
   21.00  -61.98  181.17  -46.37  113.52
   22.00  -60.07  196.17  -44.53  124.16
   23.00  -58.84  211.17  -44.06  135.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.25  226.17  -52.41  144.12
    1.00  -67.18  241.17  -54.91  153.75
    2.00  -68.05  256.17  -57.70  163.23
    3.00  -68.37  271.17  -60.35  173.07
    4.00  -69.04  286.17  -63.70  182.47
    5.00  -70.40  301.17  -68.02  190.48
    6.00  -70.44  316.17  -71.59  201.21
    7.00  -68.59  331.17  -73.94  219.01
    8.00  -68.62  346.17  -77.70  236.94
    9.00  -69.60    1.17  -81.83  261.06
   10.00  -69.33   16.17  -82.92  306.26
   11.00  -69.22   31.17  -80.83  348.42
   12.00  -69.23   46.17  -77.03   14.10
   13.00  -69.26   61.17  -72.87   31.01
   14.00  -69.51   76.17  -69.06   44.87
   15.00  -69.50   91.17  -65.31   56.42
   16.00  -70.13  106.17  -62.61   68.04
   17.00  -70.58  121.17  -60.29   78.34
   18.00  -70.25  136.17  -57.84   87.31
   19.00  -69.23  151.17  -55.27   95.89
   20.00  -68.84  166.17  -53.84  105.22
   21.00  -67.71  181.17  -52.12  114.55
   22.00  -67.65  196.17  -52.02  124.24
   23.00  -66.32  211.17  -51.30  134.12
</PRE>


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