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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>
22 Mar 1997 23:16:04 yearsecs   6995764
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.08   84.13  -63.55   44.55
    1.00  -65.87   99.13  -59.84   56.50
    2.00  -66.71  114.13  -57.65   68.96
    3.00  -67.54  129.13  -56.03   80.26
    4.00  -67.16  144.13  -53.82   89.95
    5.00  -67.82  159.13  -53.23  100.21
    6.00  -67.72  174.13  -52.34  109.97
    7.00  -67.85  189.13  -52.16  119.72
    8.00  -68.74  204.13  -53.32  129.25
    9.00  -68.83  219.13  -54.25  138.68
   10.00  -68.65  234.13  -55.45  148.33
   11.00  -68.46  249.13  -57.08  158.23
   12.00  -68.49  264.13  -59.30  168.19
   13.00  -68.75  279.13  -62.10  178.05
   14.00  -69.23  294.13  -65.51  187.67
   15.00  -69.94  309.13  -69.50  197.05
   16.00  -70.69  324.13  -73.75  206.90
   17.00  -71.05  339.13  -77.83  219.72
   18.00  -71.09  354.13  -81.61  239.80
   19.00  -70.50    9.13  -83.88  280.44
   20.00  -69.63   24.13  -82.57  331.68
   21.00  -68.79   39.13  -78.47    2.25
   22.00  -68.06   54.13  -73.62   20.38
   23.00  -67.17   69.13  -68.56   33.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.40   84.13  -68.77   55.39
    1.00  -72.47   99.13  -66.27   67.60
    2.00  -73.28  114.13  -64.09   77.92
    3.00  -78.26  129.13  -66.42   93.45
    4.00  -80.18  144.13  -66.67  102.57
    5.00  -80.54  159.13  -65.98  108.93
    6.00  -79.87  174.13  -64.65  114.62
    7.00  -79.00  189.13  -63.47  120.92
    8.00  -79.15  204.13  -63.75  127.67
    9.00  -79.04  219.13  -64.18  134.44
   10.00  -78.97  234.13  -65.07  141.19
   11.00  -78.94  249.13  -66.40  147.83
   12.00  -79.17  264.13  -68.28  153.85
   13.00  -78.97  279.13  -70.18  160.30
   14.00  -78.85  294.13  -72.46  166.30
   15.00  -78.64  309.13  -75.02  172.09
   16.00  -78.58  324.13  -77.90  176.43
   17.00  -78.37  339.13  -80.95  179.80
   18.00  -79.21  354.13  -83.79  168.53
   19.00  -79.29    9.13  -85.92  144.54
   20.00  -78.46   24.13  -86.52   94.13
   21.00  -76.66   39.13  -83.85   54.27
   22.00  -74.15   54.13  -78.80   43.49
   23.00  -72.49   69.13  -73.55   47.70
</PRE>


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