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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>
24 May 1997 17:18:24 yearsecs  12417504
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.21  171.50  -46.88  106.63
    1.00  -63.37  186.50  -47.70  117.48
    2.00  -64.39  201.50  -48.95  127.84
    3.00  -66.96  216.50  -52.27  137.50
    4.00  -66.71  231.50  -53.38  147.51
    5.00  -67.53  246.50  -55.90  157.12
    6.00  -67.55  261.50  -58.06  167.27
    7.00  -67.50  276.50  -60.54  177.71
    8.00  -68.25  291.50  -64.13  187.32
    9.00  -68.07  306.50  -67.35  198.66
   10.00  -67.77  321.50  -70.81  211.66
   11.00  -67.58  336.50  -74.45  227.40
   12.00  -67.61  351.50  -78.04  248.28
   13.00  -67.87    6.50  -80.88  279.51
   14.00  -68.35   21.50  -81.48  322.01
   15.00  -69.06   36.50  -79.42  358.57
   16.00  -69.92   51.50  -76.21   22.90
   17.00  -70.41   66.50  -72.48   39.16
   18.00  -70.50   81.50  -68.61   51.35
   19.00  -69.95   96.50  -64.51   61.09
   20.00  -68.99  111.50  -60.44   69.97
   21.00  -67.58  126.50  -56.46   78.53
   22.00  -65.12  141.50  -52.00   86.78
   23.00  -63.23  156.50  -48.74   96.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.21  171.50  -51.93  108.09
    1.00  -68.37  186.50  -52.70  118.09
    2.00  -69.39  201.50  -53.87  127.55
    3.00  -74.77  216.50  -59.83  135.15
    4.00  -77.27  231.50  -63.27  141.44
    5.00  -77.61  246.50  -64.95  148.32
    6.00  -76.72  261.50  -65.96  156.75
    7.00  -75.78  276.50  -67.43  165.78
    8.00  -76.06  291.50  -70.24  172.66
    9.00  -75.61  306.50  -72.91  181.23
   10.00  -75.48  321.50  -76.13  189.18
   11.00  -75.56  336.50  -79.71  196.54
   12.00  -75.88  351.50  -83.54  201.67
   13.00  -75.69    6.50  -87.41  212.28
   14.00  -75.70   21.50  -88.52   33.23
   15.00  -75.45   36.50  -84.32   40.38
   16.00  -75.67   51.50  -80.30   50.64
   17.00  -75.41   66.50  -76.25   57.06
   18.00  -76.11   81.50  -73.06   67.15
   19.00  -75.88   96.50  -69.67   73.73
   20.00  -74.79  111.50  -65.92   79.03
   21.00  -72.58  126.50  -61.45   84.03
   22.00  -70.12  141.50  -57.10   90.49
   23.00  -68.23  156.50  -53.83   98.71
</PRE>


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