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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 Jul 1997 23:36:12 yearsecs  16932972
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.34   75.21  -58.98   27.58
    1.00  -61.00   90.21  -56.40   42.23
    2.00  -61.66  105.21  -54.03   56.12
    3.00  -62.31  120.21  -51.98   68.99
    4.00  -61.44  135.21  -48.89   79.76
    5.00  -62.48  150.21  -48.46   91.40
    6.00  -63.42  165.21  -48.40  102.53
    7.00  -63.87  180.21  -48.28  113.18
    8.00  -64.12  195.21  -48.51  123.55
    9.00  -64.17  210.21  -49.17  133.82
   10.00  -63.82  225.21  -50.03  144.27
   11.00  -63.53  240.21  -51.44  154.99
   12.00  -63.52  255.21  -53.49  165.87
   13.00  -63.74  270.21  -56.11  176.82
   14.00  -64.21  285.21  -59.30  187.75
   15.00  -64.90  300.21  -63.13  198.62
   16.00  -65.82  315.21  -67.57  209.74
   17.00  -66.96  330.21  -72.35  221.88
   18.00  -66.93  345.21  -76.02  240.28
   19.00  -66.29    0.21  -78.44  268.12
   20.00  -64.75   15.21  -77.84  304.91
   21.00  -63.61   30.21  -74.65  336.69
   22.00  -62.09   45.21  -69.10  358.04
   23.00  -60.93   60.21  -63.52   13.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.13   75.21  -73.90   60.60
    1.00  -75.80   90.21  -70.92   70.42
    2.00  -76.62  105.21  -68.59   79.64
    3.00  -77.33  120.21  -66.77   87.92
    4.00  -79.04  135.21  -66.45   97.29
    5.00  -80.02  150.21  -66.04  104.78
    6.00  -80.09  165.21  -65.22  111.01
    7.00  -79.86  180.21  -64.47  117.21
    8.00  -79.90  195.21  -64.39  123.67
    9.00  -79.71  210.21  -64.49  130.18
   10.00  -79.53  225.21  -65.00  136.80
   11.00  -79.23  240.21  -65.81  143.59
   12.00  -78.92  255.21  -67.04  150.49
   13.00  -78.79  270.21  -68.79  157.09
   14.00  -78.65  285.21  -70.89  163.48
   15.00  -78.20  300.21  -73.17  170.52
   16.00  -78.03  315.21  -75.95  176.40
   17.00  -77.02  330.21  -78.76  186.03
   18.00  -76.81  345.21  -82.17  191.81
   19.00  -77.18    0.21  -85.72  186.69
   20.00  -76.80   15.21  -88.88  136.27
   21.00  -75.61   30.21  -86.10   38.23
   22.00  -75.49   45.21  -81.93   46.06
   23.00  -74.74   60.21  -77.50   50.49
</PRE>


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