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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>
19 Feb 1997 12:43:16 yearsecs   4279396
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.15  241.97  -52.24  155.94
    1.00  -65.34  256.97  -55.40  165.88
    2.00  -66.13  271.97  -58.53  175.94
    3.00  -67.59  286.97  -62.63  185.01
    4.00  -67.29  301.97  -65.62  196.50
    5.00  -68.06  316.97  -69.91  207.10
    6.00  -68.16  331.97  -73.80  220.93
    7.00  -68.94  346.97  -78.16  237.11
    8.00  -69.55    1.97  -81.92  263.22
    9.00  -69.59   16.97  -83.19  308.92
   10.00  -69.17   31.97  -80.60  350.02
   11.00  -68.80   46.97  -76.37   13.79
   12.00  -68.68   61.97  -72.07   30.23
   13.00  -68.83   76.97  -68.19   43.96
   14.00  -69.23   91.97  -64.86   56.49
   15.00  -69.88  106.97  -62.20   68.18
   16.00  -70.51  121.97  -60.10   78.76
   17.00  -70.60  136.97  -58.09   88.12
   18.00  -70.71  151.97  -56.70   97.36
   19.00  -70.01  166.97  -54.97  106.21
   20.00  -69.19  181.97  -53.59  115.35
   21.00  -68.43  196.97  -52.81  124.75
   22.00  -67.64  211.97  -52.63  134.41
   23.00  -65.66  226.97  -51.94  144.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.15  241.97  -56.80  153.10
    1.00  -70.34  256.97  -59.84  161.76
    2.00  -71.13  271.97  -62.86  170.35
    3.00  -77.10  286.97  -70.15  168.06
    4.00  -78.69  301.97  -73.74  169.57
    5.00  -79.60  316.97  -76.80  170.15
    6.00  -78.91  331.97  -79.53  175.89
    7.00  -77.87  346.97  -82.64  183.41
    8.00  -78.00    1.97  -85.82  173.48
    9.00  -78.05   16.97  -87.56  119.92
   10.00  -77.83   31.97  -85.44   71.04
   11.00  -77.93   46.97  -81.96   65.77
   12.00  -78.23   61.97  -78.52   69.25
   13.00  -78.05   76.97  -75.15   72.47
   14.00  -77.88   91.97  -71.99   77.26
   15.00  -77.70  106.97  -69.14   82.89
   16.00  -77.52  121.97  -66.69   89.04
   17.00  -77.29  136.97  -64.64   95.53
   18.00  -78.42  151.97  -64.36  103.74
   19.00  -78.68  166.97  -63.71  110.74
   20.00  -77.79  181.97  -62.32  117.32
   21.00  -75.79  196.97  -60.20  124.60
   22.00  -72.64  211.97  -57.50  133.30
   23.00  -70.66  226.97  -56.63  142.88
</PRE>


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