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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>
16 Apr 1997 21:34:51 yearsecs   9149691
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.30  105.62  -51.30   53.90
    1.00  -60.57  120.62  -50.05   67.77
    2.00  -61.72  135.62  -49.14   80.26
    3.00  -65.57  150.62  -51.60   93.33
    4.00  -65.45  165.62  -50.44  103.54
    5.00  -66.53  180.62  -50.95  113.96
    6.00  -66.73  195.62  -51.10  123.87
    7.00  -66.59  210.62  -51.53  133.71
    8.00  -67.27  225.62  -53.32  143.38
    9.00  -66.82  240.62  -54.51  153.58
   10.00  -66.42  255.62  -56.17  164.13
   11.00  -66.21  270.62  -58.37  174.89
   12.00  -66.25  285.62  -61.18  185.73
   13.00  -66.51  300.62  -64.64  196.65
   14.00  -66.99  315.62  -68.68  208.02
   15.00  -67.06  330.62  -72.54  222.09
   16.00  -67.37  345.62  -76.50  239.74
   17.00  -66.40    0.62  -78.61  268.75
   18.00  -66.72   15.62  -80.03  305.31
   19.00  -66.95   30.62  -78.46  341.88
   20.00  -65.95   45.62  -73.65    4.86
   21.00  -63.45   60.62  -66.60   17.88
   22.00  -61.73   75.62  -60.63   29.91
   23.00  -60.04   90.62  -55.15   41.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.30  105.62  -56.81   59.57
    1.00  -65.57  120.62  -55.32   72.41
    2.00  -66.72  135.62  -54.33   83.93
    3.00  -70.57  150.62  -56.67   96.44
    4.00  -73.79  165.62  -58.86  107.17
    5.00  -74.46  180.62  -58.95  115.72
    6.00  -73.34  195.62  -57.70  123.91
    7.00  -72.25  210.62  -57.05  132.61
    8.00  -72.97  225.62  -58.70  141.00
    9.00  -72.24  240.62  -59.45  150.16
   10.00  -72.06  255.62  -61.16  159.25
   11.00  -71.96  270.62  -63.34  168.43
   12.00  -72.11  285.62  -66.14  177.36
   13.00  -72.03  300.62  -69.16  186.85
   14.00  -72.35  315.62  -72.84  195.90
   15.00  -72.06  330.62  -76.35  208.00
   16.00  -72.37  345.62  -80.39  221.12
   17.00  -71.40    0.62  -83.32  251.39
   18.00  -71.72   15.62  -85.56  303.35
   19.00  -71.95   30.62  -83.67  359.23
   20.00  -70.95   45.62  -78.80   19.68
   21.00  -68.45   60.62  -72.21   28.27
   22.00  -66.73   75.62  -66.39   38.38
   23.00  -65.04   90.62  -60.88   48.30
</PRE>


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