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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>
18 Jun 1997 19:01:15 yearsecs  14583675
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.41  142.17  -52.23   87.43
    1.00  -66.68  157.17  -52.22   98.35
    2.00  -67.58  172.17  -52.28  108.65
    3.00  -68.45  187.17  -52.77  118.52
    4.00  -68.11  202.17  -52.62  128.06
    5.00  -68.78  217.17  -54.06  137.46
    6.00  -68.76  232.17  -55.35  147.01
    7.00  -69.14  247.17  -57.44  156.45
    8.00  -70.26  262.17  -60.54  165.14
    9.00  -70.84  277.17  -63.52  174.01
   10.00  -70.95  292.17  -66.51  183.48
   11.00  -70.31  307.17  -69.32  194.86
   12.00  -70.05  322.17  -72.79  206.95
   13.00  -70.09  337.17  -76.63  220.98
   14.00  -70.39  352.17  -80.58  239.74
   15.00  -70.94    7.17  -84.09  272.23
   16.00  -71.50   22.17  -84.85  330.80
   17.00  -71.58   37.17  -81.67   10.25
   18.00  -71.59   52.17  -77.51   29.87
   19.00  -70.83   67.17  -72.68   40.95
   20.00  -69.95   82.17  -67.94   50.60
   21.00  -69.29   97.17  -63.72   60.40
   22.00  -68.31  112.17  -59.64   69.54
   23.00  -66.61  127.17  -55.35   78.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.41  142.17  -57.32   91.14
    1.00  -71.68  157.17  -57.27  101.10
    2.00  -72.58  172.17  -57.32  110.35
    3.00  -78.10  187.17  -62.56  119.87
    4.00  -80.07  202.17  -64.65  126.63
    5.00  -80.51  217.17  -65.55  132.74
    6.00  -79.86  232.17  -65.77  139.48
    7.00  -78.90  247.17  -66.17  147.03
    8.00  -78.99  262.17  -67.91  153.34
    9.00  -78.97  277.17  -69.89  159.53
   10.00  -78.77  292.17  -72.09  165.82
   11.00  -78.83  307.17  -74.74  170.77
   12.00  -78.97  322.17  -77.62  174.09
   13.00  -78.72  337.17  -80.56  177.42
   14.00  -78.46  352.17  -83.67  176.73
   15.00  -78.17    7.17  -86.64  160.77
   16.00  -77.90   22.17  -87.26   93.91
   17.00  -77.56   37.17  -84.31   64.21
   18.00  -78.49   52.17  -80.77   69.83
   19.00  -78.41   67.17  -77.42   71.32
   20.00  -77.93   82.17  -73.99   73.77
   21.00  -76.12   97.17  -69.72   74.64
   22.00  -73.31  112.17  -64.46   76.85
   23.00  -71.61  127.17  -60.39   83.24
</PRE>


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