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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>
20 Aug 1997 23:03:04 yearsecs  20041384
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.94   84.32  -63.35   44.46
    1.00  -65.61   99.32  -59.52   56.27
    2.00  -66.50  114.32  -57.39   68.85
    3.00  -67.39  129.32  -55.85   80.25
    4.00  -67.05  144.32  -53.69   90.00
    5.00  -67.75  159.32  -53.15  100.30
    6.00  -67.67  174.32  -52.28  110.08
    7.00  -67.80  189.32  -52.12  119.83
    8.00  -68.72  204.32  -53.30  129.37
    9.00  -68.87  219.32  -54.31  138.79
   10.00  -68.65  234.32  -55.47  148.45
   11.00  -68.36  249.32  -57.02  158.42
   12.00  -68.36  264.32  -59.21  168.44
   13.00  -68.59  279.32  -62.00  178.38
   14.00  -69.05  294.32  -65.40  188.09
   15.00  -69.74  309.32  -69.39  197.60
   16.00  -70.51  324.32  -73.68  207.53
   17.00  -70.99  339.32  -77.84  220.14
   18.00  -70.97  354.32  -81.56  240.77
   19.00  -70.38    9.32  -83.78  281.46
   20.00  -69.47   24.32  -82.36  331.86
   21.00  -68.58   39.32  -78.21    1.96
   22.00  -67.81   54.32  -73.30   19.95
   23.00  -66.94   69.32  -68.26   33.11
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.50   84.32  -68.81   55.76
    1.00  -72.53   99.32  -66.28   67.82
    2.00  -73.34  114.32  -64.11   78.12
    3.00  -78.08  129.32  -66.24   93.24
    4.00  -80.02  144.32  -66.51  102.42
    5.00  -80.31  159.32  -65.74  108.78
    6.00  -80.13  174.32  -64.90  114.84
    7.00  -79.79  189.32  -64.28  121.12
    8.00  -80.41  204.32  -65.04  127.46
    9.00  -80.78  219.32  -65.92  133.44
   10.00  -80.80  234.32  -66.80  139.39
   11.00  -80.49  249.32  -67.76  145.66
   12.00  -80.48  264.32  -69.32  151.35
   13.00  -80.15  279.32  -70.99  157.47
   14.00  -79.94  294.32  -73.08  162.99
   15.00  -79.63  309.32  -75.44  168.30
   16.00  -79.54  324.32  -78.14  171.62
   17.00  -79.23  339.32  -80.98  173.92
   18.00  -79.73  354.32  -83.59  163.88
   19.00  -79.52    9.32  -85.71  142.54
   20.00  -78.50   24.32  -86.45   94.13
   21.00  -76.53   39.32  -83.78   52.97
   22.00  -74.09   54.32  -78.71   43.33
   23.00  -72.48   69.32  -73.49   47.81
</PRE>


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