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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>
25 Feb 1997 01:11:33 yearsecs   4756293
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.55   58.76  -64.71   13.01
    1.00  -62.14   73.75  -61.60   28.77
    2.00  -62.74   88.76  -58.76   43.30
    3.00  -63.34  103.75  -56.16   56.88
    4.00  -62.77  118.75  -52.71   68.28
    5.00  -63.97  133.75  -51.72   80.49
    6.00  -64.63  148.76  -50.79   91.52
    7.00  -64.82  163.76  -49.90  102.02
    8.00  -65.24  178.75  -49.70  112.45
    9.00  -64.80  193.75  -49.16  122.58
   10.00  -64.39  208.75  -49.29  132.79
   11.00  -64.20  223.75  -50.25  143.14
   12.00  -64.23  238.75  -51.91  153.62
   13.00  -64.49  253.75  -54.16  164.17
   14.00  -64.97  268.76  -56.95  174.68
   15.00  -65.68  283.76  -60.31  185.02
   16.00  -66.61  298.76  -64.30  195.07
   17.00  -67.77  313.76  -68.86  204.99
   18.00  -67.77  328.76  -72.66  218.55
   19.00  -67.10  343.75  -75.82  237.81
   20.00  -65.67  358.75  -77.59  266.36
   21.00  -64.57   13.75  -77.66  301.52
   22.00  -63.23   28.75  -74.49  333.66
   23.00  -62.06   43.75  -69.45  356.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.45   58.76  -74.66   32.26
    1.00  -71.42   73.75  -71.43   47.88
    2.00  -72.38   88.76  -68.52   60.83
    3.00  -73.30  103.75  -66.05   71.97
    4.00  -75.80  118.75  -65.63   84.52
    5.00  -76.88  133.75  -64.61   93.46
    6.00  -76.44  148.76  -62.68  100.21
    7.00  -76.04  163.76  -61.22  107.46
    8.00  -76.61  178.75  -61.18  115.37
    9.00  -76.49  193.75  -60.89  122.94
   10.00  -76.49  208.75  -61.19  130.54
   11.00  -76.29  223.75  -61.76  138.24
   12.00  -75.97  238.75  -62.68  146.16
   13.00  -75.87  253.75  -64.25  154.00
   14.00  -75.94  268.76  -66.35  161.58
   15.00  -75.50  283.76  -68.44  170.02
   16.00  -75.38  298.76  -71.17  177.96
   17.00  -73.95  313.76  -73.48  190.11
   18.00  -73.76  328.76  -76.94  200.21
   19.00  -74.43  343.75  -81.05  207.68
   20.00  -73.84  358.75  -84.64  228.72
   21.00  -71.95   13.75  -85.77  294.37
   22.00  -71.37   28.75  -83.55  351.18
   23.00  -70.37   43.75  -78.80   14.87
</PRE>


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