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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>
26 May 1997 18:34:31 yearsecs  12594871
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.08  148.77  -49.20   90.68
    1.00  -63.40  163.77  -48.46  101.50
    2.00  -64.03  178.77  -48.48  112.21
    3.00  -64.66  193.77  -49.02  122.59
    4.00  -64.39  208.77  -49.30  132.80
    5.00  -65.64  223.77  -51.62  142.70
    6.00  -65.96  238.77  -53.51  152.78
    7.00  -65.84  253.77  -55.38  163.26
    8.00  -66.53  268.77  -58.34  173.27
    9.00  -65.95  283.77  -60.55  184.72
   10.00  -65.60  298.77  -63.43  196.51
   11.00  -65.34  313.77  -66.79  209.25
   12.00  -65.38  328.77  -70.62  223.57
   13.00  -65.64  343.77  -74.51  241.24
   14.00  -66.12  358.77  -78.03  265.49
   15.00  -66.83   13.77  -80.17  300.33
   16.00  -67.76   28.77  -79.73  339.43
   17.00  -68.88   43.77  -77.33    9.66
   18.00  -68.87   58.77  -73.15   27.53
   19.00  -68.20   73.77  -68.39   39.84
   20.00  -66.92   88.77  -63.31   49.85
   21.00  -65.83  103.77  -58.80   60.09
   22.00  -64.69  118.77  -54.73   70.17
   23.00  -63.57  133.77  -51.30   80.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.54  148.77  -55.79   94.58
    1.00  -70.79  163.77  -55.94  104.59
    2.00  -71.87  178.77  -56.37  113.99
    3.00  -73.58  193.77  -57.93  122.87
    4.00  -76.49  208.77  -61.19  130.55
    5.00  -77.48  223.77  -62.91  137.54
    6.00  -76.78  238.77  -63.43  145.44
    7.00  -76.08  253.77  -64.43  153.75
    8.00  -77.12  268.77  -67.30  159.59
    9.00  -76.88  283.77  -69.45  167.09
   10.00  -77.23  298.77  -72.35  172.88
   11.00  -76.88  313.77  -75.14  180.33
   12.00  -76.29  328.77  -78.17  189.11
   13.00  -76.00  343.77  -81.64  197.32
   14.00  -76.11  358.77  -85.43  201.79
   15.00  -75.66   13.77  -89.35  225.86
   16.00  -75.56   28.77  -86.49   36.24
   17.00  -74.03   43.77  -81.63   34.30
   18.00  -73.89   58.77  -77.37   45.57
   19.00  -74.54   73.77  -73.86   57.71
   20.00  -73.83   88.77  -69.73   64.39
   21.00  -71.66  103.77  -64.56   69.00
   22.00  -70.66  118.77  -60.78   76.95
   23.00  -69.76  133.77  -57.65   85.36
</PRE>


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