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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 14:02:48 yearsecs  24588168
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.90  217.41  -47.51  139.27
    1.00  -62.48  232.41  -49.53  149.85
    2.00  -63.06  247.41  -51.96  160.44
    3.00  -63.64  262.41  -54.71  171.09
    4.00  -63.16  277.41  -56.86  182.82
    5.00  -64.39  292.41  -60.95  193.11
    6.00  -64.96  307.41  -64.89  204.42
    7.00  -65.05  322.41  -68.72  217.71
    8.00  -65.70  337.41  -73.05  232.78
    9.00  -65.10  352.41  -75.88  255.74
   10.00  -64.64    7.41  -77.55  286.64
   11.00  -64.45   22.41  -76.94  321.52
   12.00  -64.49   37.41  -74.07  350.16
   13.00  -64.75   52.41  -70.40   11.09
   14.00  -65.23   67.41  -66.88   27.88
   15.00  -65.94   82.41  -63.82   42.82
   16.00  -66.87   97.41  -61.25   56.64
   17.00  -68.02  112.41  -59.30   69.34
   18.00  -68.04  127.41  -56.78   79.59
   19.00  -67.36  142.41  -54.20   88.95
   20.00  -65.96  157.41  -51.47   98.17
   21.00  -64.86  172.41  -49.52  108.01
   22.00  -63.57  187.41  -47.90  118.14
   23.00  -62.39  202.41  -47.03  128.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.96  217.41  -58.12  136.31
    1.00  -73.95  232.41  -60.21  144.28
    2.00  -74.89  247.41  -62.62  151.74
    3.00  -75.81  262.41  -65.33  158.54
    4.00  -78.13  277.41  -69.33  161.51
    5.00  -79.12  292.41  -72.33  164.88
    6.00  -78.76  307.41  -74.75  171.10
    7.00  -78.24  322.41  -77.47  177.65
    8.00  -78.79  337.41  -80.62  176.94
    9.00  -78.79  352.41  -83.63  173.53
   10.00  -78.74    7.41  -86.22  153.57
   11.00  -78.51   22.41  -86.69   99.93
   12.00  -78.15   37.41  -84.14   70.39
   13.00  -77.98   52.41  -80.68   66.33
   14.00  -78.01   67.41  -77.23   69.40
   15.00  -77.58   82.41  -73.74   72.59
   16.00  -77.40   97.41  -70.62   78.10
   17.00  -76.03  112.41  -66.85   81.83
   18.00  -75.79  127.41  -64.38   88.83
   19.00  -76.37  142.41  -63.20   97.01
   20.00  -75.84  157.41  -61.42  104.07
   21.00  -74.16  172.41  -58.90  111.11
   22.00  -73.64  187.41  -58.01  119.32
   23.00  -72.88  202.41  -57.37  127.78
</PRE>


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