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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>
12 Oct 1997 14:00:56 yearsecs  24588056
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.90  217.86  -47.55  139.59
    1.00  -62.48  232.86  -49.58  150.17
    2.00  -63.06  247.86  -52.02  160.77
    3.00  -63.64  262.86  -54.79  171.43
    4.00  -63.16  277.86  -56.94  183.16
    5.00  -64.39  292.86  -61.05  193.46
    6.00  -64.96  307.86  -65.00  204.79
    7.00  -65.05  322.86  -68.83  218.15
    8.00  -65.70  337.86  -73.16  233.33
    9.00  -65.10  352.86  -75.97  256.51
   10.00  -64.64    7.86  -77.58  287.67
   11.00  -64.45   22.86  -76.88  322.50
   12.00  -64.49   37.86  -73.96  350.87
   13.00  -64.75   52.86  -70.27   11.61
   14.00  -65.23   67.86  -66.76   28.32
   15.00  -65.94   82.86  -63.71   43.21
   16.00  -66.87   97.86  -61.15   56.98
   17.00  -68.02  112.86  -59.21   69.65
   18.00  -68.04  127.86  -56.72   79.89
   19.00  -67.36  142.86  -54.15   89.25
   20.00  -65.96  157.86  -51.44   98.47
   21.00  -64.86  172.86  -49.50  108.32
   22.00  -63.57  187.86  -47.90  118.45
   23.00  -62.39  202.86  -47.05  128.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.99  217.86  -58.17  136.56
    1.00  -73.98  232.86  -60.27  144.51
    2.00  -74.91  247.86  -62.70  151.96
    3.00  -75.84  262.86  -65.41  158.73
    4.00  -78.16  277.86  -69.42  161.65
    5.00  -79.14  292.86  -72.42  164.96
    6.00  -78.79  307.86  -74.85  171.13
    7.00  -78.28  322.86  -77.57  177.59
    8.00  -78.82  337.86  -80.71  176.75
    9.00  -78.82  352.86  -83.70  172.97
   10.00  -78.77    7.86  -86.26  152.13
   11.00  -78.53   22.86  -86.61   98.74
   12.00  -78.17   37.86  -84.03   70.37
   13.00  -78.00   52.86  -80.58   66.50
   14.00  -78.03   67.86  -77.14   69.61
   15.00  -77.59   82.86  -73.66   72.81
   16.00  -77.41   97.86  -70.55   78.33
   17.00  -76.04  112.86  -66.79   82.07
   18.00  -75.81  127.86  -64.33   89.07
   19.00  -76.38  142.86  -63.16   97.24
   20.00  -75.85  157.86  -61.40  104.31
   21.00  -74.17  172.86  -58.90  111.36
   22.00  -73.66  187.86  -58.02  119.57
   23.00  -72.90  202.86  -57.40  128.04
</PRE>


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