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    <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>
20 Feb 1997 22:35:08 yearsecs   4401308
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.39   98.02  -59.57   54.92
    1.00  -65.55  113.02  -56.66   66.79
    2.00  -66.48  128.02  -55.10   78.53
    3.00  -67.42  143.02  -54.20   89.40
    4.00  -67.18  158.02  -52.66   99.17
    5.00  -68.02  173.02  -52.69  109.34
    6.00  -68.19  188.02  -52.51  119.04
    7.00  -68.86  203.02  -53.40  128.54
    8.00  -70.34  218.02  -55.62  137.53
    9.00  -71.35  233.02  -57.84  146.20
   10.00  -71.04  248.02  -59.25  155.55
   11.00  -70.19  263.02  -60.61  165.76
   12.00  -69.71  278.02  -62.72  176.07
   13.00  -69.58  293.02  -65.56  186.35
   14.00  -69.75  308.02  -69.08  196.63
   15.00  -70.22  323.02  -73.13  207.23
   16.00  -70.71  338.02  -77.31  219.76
   17.00  -70.70  353.02  -81.03  239.79
   18.00  -70.73    8.02  -83.99  275.91
   19.00  -69.95   23.02  -83.07  329.12
   20.00  -68.99   38.02  -78.97    1.04
   21.00  -68.07   53.02  -73.94   19.15
   22.00  -67.42   68.02  -69.12   32.94
   23.00  -66.55   83.02  -64.32   44.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.56   98.02  -64.75   63.25
    1.00  -71.77  113.02  -62.86   74.92
    2.00  -72.60  128.02  -61.25   84.92
    3.00  -78.18  143.02  -64.88   99.45
    4.00  -80.11  158.02  -65.62  108.06
    5.00  -80.55  173.02  -65.37  114.54
    6.00  -79.90  188.02  -64.40  120.57
    7.00  -78.92  203.02  -63.49  127.22
    8.00  -79.02  218.02  -64.11  133.95
    9.00  -79.06  233.02  -65.07  140.62
   10.00  -78.91  248.02  -66.25  147.40
   11.00  -78.84  263.02  -67.89  153.97
   12.00  -79.06  278.02  -70.08  159.66
   13.00  -78.84  293.02  -72.27  165.92
   14.00  -78.62  308.02  -74.81  171.80
   15.00  -78.40  323.02  -77.64  177.04
   16.00  -78.18  338.02  -80.71  180.94
   17.00  -77.96  353.02  -83.96  181.26
   18.00  -79.03    8.02  -86.05  149.34
   19.00  -79.29   23.02  -85.89  104.42
   20.00  -78.46   38.02  -83.92   73.20
   21.00  -76.58   53.02  -80.23   57.13
   22.00  -73.67   68.02  -74.73   51.01
   23.00  -71.88   83.02  -69.47   55.79
</PRE>


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