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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>
15 May 1997 22:27:23 yearsecs  11658443
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.28   90.13  -56.75   42.53
    1.00  -61.89  105.13  -54.30   56.32
    2.00  -62.51  120.13  -52.20   69.10
    3.00  -63.12  135.13  -50.66   80.87
    4.00  -62.49  150.13  -48.47   91.34
    5.00  -63.66  165.13  -48.65  102.55
    6.00  -64.38  180.13  -48.80  113.22
    7.00  -64.65  195.13  -49.03  123.51
    8.00  -65.25  210.13  -50.21  133.60
    9.00  -64.68  225.13  -50.84  143.94
   10.00  -64.19  240.13  -52.05  154.62
   11.00  -64.00  255.13  -53.92  165.49
   12.00  -64.04  270.13  -56.36  176.51
   13.00  -64.30  285.13  -59.36  187.59
   14.00  -64.78  300.13  -63.01  198.72
   15.00  -65.49  315.13  -67.26  210.22
   16.00  -66.42  330.13  -71.87  222.96
   17.00  -67.57  345.13  -76.56  238.51
   18.00  -67.58    0.13  -79.70  264.99
   19.00  -66.91   15.13  -80.25  303.95
   20.00  -65.45   30.13  -76.84  338.60
   21.00  -64.35   45.13  -71.91    1.26
   22.00  -62.98   60.13  -66.15   16.61
   23.00  -61.81   75.13  -60.84   29.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.26   90.13  -68.09   61.45
    1.00  -73.15  105.13  -65.64   72.49
    2.00  -74.07  120.13  -63.83   82.48
    3.00  -74.93  135.13  -62.59   91.64
    4.00  -77.16  150.13  -63.27  101.61
    5.00  -78.20  165.13  -63.32  109.57
    6.00  -77.94  180.13  -62.51  116.49
    7.00  -77.40  195.13  -61.83  123.64
    8.00  -78.03  210.13  -62.79  130.75
    9.00  -78.01  225.13  -63.52  137.85
   10.00  -77.91  240.13  -64.60  144.99
   11.00  -77.65  255.13  -65.94  152.35
   12.00  -77.30  270.13  -67.63  159.91
   13.00  -77.16  285.13  -69.88  167.08
   14.00  -77.14  300.13  -72.56  173.73
   15.00  -76.69  315.13  -75.33  181.63
   16.00  -76.53  330.13  -78.57  188.52
   17.00  -75.23  345.13  -81.73  203.43
   18.00  -75.01    0.13  -85.54  217.40
   19.00  -75.55   15.13  -89.63  258.92
   20.00  -75.01   30.13  -85.94   28.93
   21.00  -73.36   45.13  -80.83   31.37
   22.00  -72.95   60.13  -76.34   42.57
   23.00  -72.07   75.13  -71.63   50.75
</PRE>


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