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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>
23 Jul 1997 21:58:40 yearsecs  17618320
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.32   99.32  -60.26   57.30
    1.00  -66.25  114.32  -57.14   68.56
    2.00  -67.02  129.32  -55.47   79.91
    3.00  -67.78  144.32  -54.43   90.50
    4.00  -67.33  159.32  -52.73  100.10
    5.00  -67.93  174.32  -52.54  110.16
    6.00  -67.77  189.32  -52.09  119.83
    7.00  -67.97  204.32  -52.57  129.45
    8.00  -68.92  219.32  -54.35  138.78
    9.00  -69.13  234.32  -55.91  148.20
   10.00  -69.00  249.32  -57.59  157.95
   11.00  -68.81  264.32  -59.61  168.00
   12.00  -68.85  279.32  -62.22  178.05
   13.00  -69.11  294.32  -65.45  188.00
   14.00  -69.59  309.32  -69.27  197.91
   15.00  -70.30  324.32  -73.52  208.11
   16.00  -71.00  339.32  -77.84  220.11
   17.00  -71.22  354.32  -81.75  239.52
   18.00  -71.34    9.32  -84.76  277.95
   19.00  -70.72   24.32  -83.71  335.37
   20.00  -69.89   39.32  -79.54    6.31
   21.00  -69.09   54.32  -74.61   23.45
   22.00  -68.42   69.32  -69.80   36.42
   23.00  -67.50   84.32  -64.99   47.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.79   99.32  -67.38   70.40
    1.00  -74.82  114.32  -65.46   80.58
    2.00  -75.57  129.32  -63.92   89.47
    3.00  -80.12  144.32  -66.61  102.57
    4.00  -81.78  159.32  -67.19  110.30
    5.00  -82.15  174.32  -66.97  116.04
    6.00  -81.65  189.32  -66.20  121.41
    7.00  -80.93  204.32  -65.57  127.33
    8.00  -81.08  219.32  -66.21  133.23
    9.00  -81.09  234.32  -67.07  139.07
   10.00  -80.88  249.32  -68.09  145.05
   11.00  -80.83  264.32  -69.58  150.62
   12.00  -80.97  279.32  -71.50  155.31
   13.00  -80.75  294.32  -73.48  160.33
   14.00  -80.55  309.32  -75.74  164.54
   15.00  -80.33  324.32  -78.23  167.55
   16.00  -80.16  339.32  -80.87  167.70
   17.00  -79.93  354.32  -83.48  162.16
   18.00  -80.75    9.32  -84.50  136.64
   19.00  -80.88   24.32  -84.23  110.07
   20.00  -80.15   39.32  -82.96   87.12
   21.00  -78.56   54.32  -80.30   70.30
   22.00  -76.23   69.32  -76.00   61.95
   23.00  -74.79   84.32  -71.50   64.47
</PRE>


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