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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>
21 Mar 1997 01:23:52 yearsecs   6830632
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.66   52.72  -70.21   11.29
    1.00  -64.92   67.72  -66.44   27.59
    2.00  -65.97   82.72  -63.78   43.14
    3.00  -67.05   97.72  -61.37   57.15
    4.00  -66.96  112.72  -58.16   68.23
    5.00  -68.01  127.72  -56.71   79.76
    6.00  -68.44  142.72  -55.27   89.94
    7.00  -69.47  157.72  -55.00  100.16
    8.00  -70.94  172.72  -55.64  110.09
    9.00  -70.39  187.72  -54.72  119.09
   10.00  -69.53  202.72  -54.05  128.29
   11.00  -68.82  217.72  -54.14  137.79
   12.00  -68.44  232.72  -55.11  147.52
   13.00  -68.37  247.72  -56.82  157.36
   14.00  -68.60  262.72  -59.17  167.13
   15.00  -69.13  277.72  -62.17  176.61
   16.00  -69.67  292.72  -65.57  185.99
   17.00  -69.66  307.72  -68.94  196.58
   18.00  -69.70  322.72  -72.66  208.31
   19.00  -68.88  337.72  -75.83  225.30
   20.00  -67.92  352.72  -78.59  249.48
   21.00  -67.19    7.72  -80.28  283.93
   22.00  -66.63   22.72  -79.40  323.56
   23.00  -65.78   37.72  -75.52  352.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.06   52.72  -76.90   28.33
    1.00  -72.31   67.72  -73.78   46.05
    2.00  -73.21   82.72  -70.65   59.04
    3.00  -78.65   97.72  -71.43   81.73
    4.00  -80.57  112.72  -70.42   92.03
    5.00  -80.82  127.72  -68.81   97.60
    6.00  -80.37  142.72  -66.97  102.30
    7.00  -79.32  157.72  -64.86  107.17
    8.00  -79.32  172.72  -64.13  113.70
    9.00  -79.24  187.72  -63.73  120.32
   10.00  -78.94  202.72  -63.50  127.07
   11.00  -78.93  217.72  -64.01  133.86
   12.00  -79.12  232.72  -65.11  140.42
   13.00  -78.87  247.72  -66.20  147.31
   14.00  -78.63  262.72  -67.68  154.21
   15.00  -78.39  277.72  -69.56  161.07
   16.00  -78.15  292.72  -71.81  167.79
   17.00  -77.90  307.72  -74.42  174.31
   18.00  -79.01  322.72  -77.73  174.04
   19.00  -79.32  337.72  -80.67  173.47
   20.00  -78.56  352.72  -83.75  175.56
   21.00  -76.77    7.72  -87.59  184.73
   22.00  -73.96   22.72  -87.19  352.07
   23.00  -72.27   37.72  -82.11   15.14
</PRE>


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