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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>
10 Apr 1997 14:26:48 yearsecs   8605608
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.95  219.59  -50.60  140.07
    1.00  -64.27  234.59  -51.45  150.67
    2.00  -65.34  249.59  -54.34  160.65
    3.00  -66.42  264.59  -57.55  170.42
    4.00  -66.24  279.59  -60.01  181.33
    5.00  -67.19  294.59  -63.88  191.10
    6.00  -67.31  309.59  -67.46  202.43
    7.00  -67.15  324.59  -71.08  215.82
    8.00  -67.58  339.59  -75.23  231.11
    9.00  -67.47  354.59  -78.57  254.13
   10.00  -67.06    9.59  -80.29  288.99
   11.00  -66.87   24.59  -79.42  328.33
   12.00  -66.90   39.59  -76.32  358.06
   13.00  -67.16   54.59  -72.53   18.65
   14.00  -67.64   69.59  -68.93   34.88
   15.00  -68.35   84.59  -65.78   49.13
   16.00  -69.28   99.59  -63.18   62.12
   17.00  -70.24  114.59  -61.09   73.72
   18.00  -70.01  129.59  -58.46   82.98
   19.00  -69.47  144.59  -56.13   91.91
   20.00  -68.43  159.59  -53.82  100.82
   21.00  -67.42  174.59  -52.02  110.19
   22.00  -66.46  189.59  -50.78  119.89
   23.00  -65.64  204.59  -50.30  129.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.62  219.59  -59.86  136.88
    1.00  -75.58  234.59  -61.93  144.31
    2.00  -76.51  249.59  -64.31  151.13
    3.00  -79.73  264.59  -68.78  152.95
    4.00  -81.60  279.59  -71.92  153.64
    5.00  -81.99  294.59  -74.05  156.07
    6.00  -81.61  309.59  -76.05  160.06
    7.00  -81.36  324.59  -78.31  162.15
    8.00  -81.59  339.59  -80.53  158.46
    9.00  -81.27  354.59  -82.70  152.20
   10.00  -81.35    9.59  -83.90  134.18
   11.00  -81.02   24.59  -84.07  110.19
   12.00  -80.97   39.59  -82.45   92.77
   13.00  -80.66   54.59  -80.12   83.86
   14.00  -80.57   69.59  -77.41   82.44
   15.00  -80.23   84.59  -74.61   83.15
   16.00  -80.31   99.59  -72.16   87.30
   17.00  -79.90  114.59  -69.68   91.02
   18.00  -80.05  129.59  -67.96   96.78
   19.00  -79.70  144.59  -66.18  102.09
   20.00  -78.90  159.59  -64.33  107.60
   21.00  -77.35  174.59  -62.06  113.59
   22.00  -75.96  189.59  -60.35  120.77
   23.00  -74.92  204.59  -59.48  128.71
</PRE>


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