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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>
11 Sep 1997 21:59:36 yearsecs  21938376
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.11   99.71  -57.84   54.53
    1.00  -63.87  114.71  -54.59   66.23
    2.00  -64.75  129.71  -53.07   78.20
    3.00  -65.63  144.71  -52.19   89.32
    4.00  -65.40  159.71  -50.75   99.48
    5.00  -66.49  174.71  -51.08  110.02
    6.00  -66.70  189.71  -51.02  119.99
    7.00  -66.56  204.71  -51.20  129.84
    8.00  -67.24  219.71  -52.78  139.52
    9.00  -66.78  234.71  -53.79  149.62
   10.00  -66.38  249.71  -55.30  160.06
   11.00  -66.18  264.71  -57.36  170.71
   12.00  -66.21  279.71  -60.01  181.45
   13.00  -66.47  294.71  -63.28  192.20
   14.00  -66.95  309.71  -67.18  203.14
   15.00  -67.66  324.71  -71.54  214.86
   16.00  -68.59  339.71  -76.09  228.51
   17.00  -69.62  354.71  -80.53  247.36
   18.00  -69.49    9.71  -82.89  285.07
   19.00  -68.90   24.71  -81.68  331.72
   20.00  -67.75   39.71  -77.22    0.29
   21.00  -66.71   54.71  -72.01   17.74
   22.00  -65.67   69.71  -66.77   30.91
   23.00  -64.70   84.71  -61.91   42.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.96   99.71  -66.58   68.92
    1.00  -74.00  114.71  -64.65   79.41
    2.00  -74.95  129.71  -63.28   88.82
    3.00  -77.56  144.71  -64.13   99.47
    4.00  -79.78  159.71  -65.19  108.44
    5.00  -80.36  174.71  -65.13  115.12
    6.00  -79.84  189.71  -64.32  121.29
    7.00  -79.36  204.71  -63.98  127.88
    8.00  -80.00  219.71  -65.16  134.11
    9.00  -79.79  234.71  -65.89  140.63
   10.00  -79.99  249.71  -67.36  146.58
   11.00  -79.81  264.71  -68.85  152.85
   12.00  -79.62  279.71  -70.70  158.94
   13.00  -79.36  294.71  -72.84  164.93
   14.00  -79.36  309.71  -75.41  169.47
   15.00  -78.99  324.71  -78.11  174.50
   16.00  -79.00  339.71  -81.07  175.49
   17.00  -78.19  354.71  -84.26  178.06
   18.00  -78.22    9.71  -86.96  152.42
   19.00  -78.23   24.71  -86.62   89.84
   20.00  -77.43   39.71  -83.71   62.07
   21.00  -75.61   54.71  -79.42   51.90
   22.00  -74.31   69.71  -74.74   54.45
   23.00  -73.25   84.71  -70.20   60.41
</PRE>


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