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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>
02 Dec 1997 23:53:40 yearsecs  29030020
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.23   75.07  -65.99   36.92
    1.00  -66.27   90.07  -62.33   49.82
    2.00  -67.05  105.07  -59.77   62.73
    3.00  -67.81  120.07  -57.71   74.39
    4.00  -67.39  135.07  -55.08   84.10
    5.00  -68.01  150.07  -54.12   94.41
    6.00  -67.89  165.07  -52.94  104.13
    7.00  -68.22  180.07  -52.66  113.94
    8.00  -69.29  195.07  -53.64  123.56
    9.00  -69.67  210.07  -54.49  132.82
   10.00  -69.42  225.07  -55.29  142.22
   11.00  -69.13  240.07  -56.56  151.88
   12.00  -69.09  255.07  -58.47  161.63
   13.00  -69.29  270.07  -60.97  171.32
   14.00  -69.73  285.07  -64.06  180.74
   15.00  -70.39  300.07  -67.76  189.74
   16.00  -71.04  315.07  -71.77  198.93
   17.00  -71.15  330.07  -75.59  210.59
   18.00  -71.29  345.07  -79.52  225.57
   19.00  -70.63    0.07  -82.55  254.11
   20.00  -69.79   15.07  -83.44  302.38
   21.00  -68.99   30.07  -80.82  345.29
   22.00  -68.36   45.07  -76.45    9.95
   23.00  -67.45   60.07  -71.32   25.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.83   75.07  -73.74   59.47
    1.00  -75.86   90.07  -70.99   70.50
    2.00  -76.59  105.07  -68.59   79.50
    3.00  -80.95  120.07  -69.79   95.33
    4.00  -82.49  135.07  -69.51  103.34
    5.00  -82.88  150.07  -68.77  108.62
    6.00  -82.46  165.07  -67.59  113.03
    7.00  -81.81  180.07  -66.48  117.97
    8.00  -81.95  195.07  -66.51  123.61
    9.00  -81.84  210.07  -66.64  129.25
   10.00  -81.56  225.07  -66.96  135.07
   11.00  -81.51  240.07  -67.87  140.70
   12.00  -81.62  255.07  -69.23  145.85
   13.00  -81.39  270.07  -70.64  151.31
   14.00  -81.16  285.07  -72.38  156.46
   15.00  -80.94  300.07  -74.42  161.06
   16.00  -80.72  315.07  -76.73  164.73
   17.00  -80.49  330.07  -79.23  166.72
   18.00  -81.30  345.07  -81.42  158.13
   19.00  -81.47    0.07  -83.13  145.80
   20.00  -80.78   15.07  -84.63  126.18
   21.00  -79.36   30.07  -84.94   90.66
   22.00  -77.12   45.07  -82.37   59.13
   23.00  -75.78   60.07  -78.10   55.53
</PRE>


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