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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 Oct 1997 17:51:52 yearsecs  25120312
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.25  159.97  -51.59  100.04
    1.00  -66.15  174.97  -50.73  110.10
    2.00  -66.94  189.97  -51.25  120.18
    3.00  -67.71  204.97  -52.35  129.89
    4.00  -67.29  219.97  -52.85  139.68
    5.00  -67.90  234.97  -54.86  149.25
    6.00  -67.76  249.97  -56.57  159.29
    7.00  -67.94  264.97  -58.96  169.29
    8.00  -68.88  279.97  -62.37  178.46
    9.00  -69.14  294.97  -65.61  188.41
   10.00  -68.92  309.97  -68.88  199.75
   11.00  -68.72  324.97  -72.46  212.70
   12.00  -68.75  339.97  -76.29  228.37
   13.00  -69.01  354.97  -80.05  250.11
   14.00  -69.49    9.97  -82.91  285.90
   15.00  -70.20   24.97  -83.06  335.69
   16.00  -70.91   39.97  -80.33   11.58
   17.00  -71.17   54.97  -76.36   31.06
   18.00  -71.27   69.97  -72.31   44.53
   19.00  -70.66   84.97  -67.89   54.28
   20.00  -69.82   99.97  -63.61   63.29
   21.00  -69.00  114.97  -59.80   72.35
   22.00  -68.32  129.97  -56.70   81.55
   23.00  -67.41  144.97  -53.99   90.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.26  159.97  -56.65  102.54
    1.00  -72.36  174.97  -56.98  111.91
    2.00  -73.14  189.97  -57.49  120.71
    3.00  -78.32  204.97  -62.93  128.24
    4.00  -80.22  219.97  -65.39  134.08
    5.00  -80.59  234.97  -66.65  139.88
    6.00  -79.92  249.97  -67.33  146.80
    7.00  -78.97  264.97  -68.24  154.55
    8.00  -79.08  279.97  -70.37  160.38
    9.00  -79.01  294.97  -72.69  166.12
   10.00  -78.81  309.97  -75.25  171.68
   11.00  -78.82  324.97  -78.13  175.42
   12.00  -79.01  339.97  -81.13  175.38
   13.00  -78.83  354.97  -84.10  171.43
   14.00  -78.69    9.97  -86.56  146.75
   15.00  -78.51   24.97  -86.35   92.43
   16.00  -78.41   39.97  -83.51   71.58
   17.00  -78.21   54.97  -80.11   68.08
   18.00  -79.18   69.97  -77.04   75.65
   19.00  -79.36   84.97  -74.16   79.93
   20.00  -78.55   99.97  -70.97   82.28
   21.00  -76.76  114.97  -67.06   84.45
   22.00  -74.12  129.97  -62.45   87.89
   23.00  -72.45  144.97  -59.08   94.53
</PRE>


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