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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>
28 Feb 1997 22:43:18 yearsecs   5092998
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.75   95.14  -56.20   47.56
    1.00  -62.33  110.14  -53.80   60.96
    2.00  -62.92  125.14  -51.83   73.30
    3.00  -63.50  140.14  -50.48   84.75
    4.00  -62.99  155.14  -48.59   95.18
    5.00  -64.20  170.14  -48.96  106.25
    6.00  -64.81  185.14  -49.15  116.72
    7.00  -64.95  200.14  -49.45  126.90
    8.00  -65.58  215.14  -50.86  136.91
    9.00  -64.99  230.14  -51.64  147.28
   10.00  -64.53  245.14  -53.00  157.99
   11.00  -64.34  260.14  -54.99  168.90
   12.00  -64.37  275.14  -57.54  179.95
   13.00  -64.63  290.14  -60.68  191.06
   14.00  -65.11  305.14  -64.48  202.30
   15.00  -65.82  320.14  -68.82  214.19
   16.00  -66.75  335.14  -73.41  227.77
   17.00  -67.91  350.14  -78.01  245.17
   18.00  -67.92    5.14  -80.78  275.91
   19.00  -67.25   20.14  -80.37  317.42
   20.00  -65.83   35.14  -76.19  348.49
   21.00  -64.73   50.14  -71.00    8.33
   22.00  -63.42   65.14  -65.36   22.45
   23.00  -62.24   80.14  -60.17   34.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.81   95.14  -65.63   61.75
    1.00  -71.81  110.14  -63.44   73.22
    2.00  -72.78  125.14  -61.84   83.50
    3.00  -73.73  140.14  -60.85   92.99
    4.00  -76.25  155.14  -61.99  103.24
    5.00  -77.32  170.14  -62.20  111.41
    6.00  -76.86  185.14  -61.31  118.64
    7.00  -76.17  200.14  -60.63  126.21
    8.00  -77.01  215.14  -61.98  133.55
    9.00  -76.81  230.14  -62.73  141.11
   10.00  -76.75  245.14  -64.04  148.64
   11.00  -76.56  260.14  -65.65  156.32
   12.00  -76.23  275.14  -67.55  164.28
   13.00  -76.12  290.14  -70.03  171.85
   14.00  -76.21  305.14  -72.99  178.76
   15.00  -75.78  320.14  -75.98  187.35
   16.00  -75.65  335.14  -79.42  195.35
   17.00  -74.19  350.14  -82.59  214.79
   18.00  -73.99    5.14  -86.33  240.71
   19.00  -74.68   20.14  -88.32  350.17
   20.00  -74.12   35.14  -84.11   25.37
   21.00  -72.27   50.14  -78.63   30.76
   22.00  -71.70   65.14  -73.98   42.00
   23.00  -70.76   80.14  -69.19   50.95
</PRE>


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