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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 Mar 1997 15:41:22 yearsecs   6622882
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.23  200.01  -47.77  126.87
    1.00  -64.34  215.01  -49.66  137.08
    2.00  -65.28  230.01  -51.89  147.08
    3.00  -67.04  245.01  -55.27  156.42
    4.00  -66.77  260.01  -57.14  166.91
    5.00  -67.57  275.01  -60.33  176.60
    6.00  -67.57  290.01  -63.23  187.22
    7.00  -67.55  305.01  -66.56  198.40
    8.00  -68.32  320.01  -70.88  209.17
    9.00  -68.21  335.01  -74.60  224.10
   10.00  -67.89  350.01  -77.97  245.01
   11.00  -67.70    5.01  -80.54  276.08
   12.00  -67.74   20.01  -80.93  317.36
   13.00  -67.99   35.01  -78.65  352.79
   14.00  -68.48   50.01  -75.20   16.69
   15.00  -69.18   65.01  -71.73   34.43
   16.00  -70.03   80.01  -68.55   49.12
   17.00  -70.69   95.01  -65.55   61.44
   18.00  -70.58  110.01  -62.29   71.25
   19.00  -70.03  125.01  -59.14   80.12
   20.00  -69.08  140.01  -56.21   88.71
   21.00  -68.15  155.01  -53.87   97.71
   22.00  -66.15  170.01  -50.92  106.77
   23.00  -64.28  185.01  -48.62  116.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.23  200.01  -52.69  126.68
    1.00  -69.34  215.01  -54.45  135.96
    2.00  -70.28  230.01  -56.55  144.92
    3.00  -75.51  245.01  -62.91  149.85
    4.00  -77.86  260.01  -66.72  154.29
    5.00  -78.18  275.01  -69.01  160.37
    6.00  -77.30  290.01  -70.81  168.91
    7.00  -76.36  305.01  -73.05  178.25
    8.00  -76.59  320.01  -76.33  184.07
    9.00  -76.23  335.01  -79.60  192.09
   10.00  -76.43  350.01  -83.27  196.12
   11.00  -76.35    5.01  -87.03  197.52
   12.00  -76.65   20.01  -88.62   78.56
   13.00  -76.47   35.01  -84.91   51.81
   14.00  -76.48   50.01  -80.98   55.40
   15.00  -76.26   65.01  -77.07   60.14
   16.00  -76.45   80.01  -73.61   67.60
   17.00  -76.22   95.01  -70.22   73.86
   18.00  -76.94  110.01  -68.02   82.54
   19.00  -76.78  125.01  -65.61   89.17
   20.00  -75.76  140.01  -62.85   95.12
   21.00  -73.69  155.01  -59.45  101.20
   22.00  -71.15  170.01  -55.97  108.53
   23.00  -69.28  185.01  -53.63  117.27
</PRE>


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