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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>
01 Jul 1997 00:58:19 yearsecs  15641899
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.34   55.15  -67.95   11.80
    1.00  -63.52   70.15  -64.17   27.50
    2.00  -64.21   85.15  -61.26   42.33
    3.00  -64.90  100.15  -58.60   55.96
    4.00  -64.65  115.15  -55.32   67.39
    5.00  -65.86  130.15  -54.16   79.45
    6.00  -66.15  145.15  -52.69   89.96
    7.00  -66.17  160.15  -51.50  100.12
    8.00  -66.71  175.15  -51.29  110.37
    9.00  -66.16  190.15  -50.48  120.24
   10.00  -65.74  205.15  -50.43  130.20
   11.00  -65.55  220.15  -51.22  140.28
   12.00  -65.59  235.15  -52.74  150.47
   13.00  -65.85  250.15  -54.87  160.71
   14.00  -66.33  265.15  -57.56  170.89
   15.00  -67.04  280.15  -60.81  180.83
   16.00  -67.97  295.15  -64.67  190.36
   17.00  -69.07  310.15  -69.04  199.59
   18.00  -69.02  325.15  -72.75  212.12
   19.00  -68.37  340.15  -76.02  229.67
   20.00  -67.13  355.15  -78.35  256.07
   21.00  -66.05   10.15  -79.23  291.61
   22.00  -64.94   25.15  -77.13  327.77
   23.00  -63.85   40.15  -72.63  353.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.15   55.15  -74.44   24.54
    1.00  -70.33   70.15  -71.42   42.00
    2.00  -71.34   85.15  -68.47   55.97
    3.00  -73.36  100.15  -66.84   69.99
    4.00  -76.22  115.15  -66.57   83.50
    5.00  -77.06  130.15  -65.21   92.02
    6.00  -76.27  145.15  -62.84   98.25
    7.00  -75.69  160.15  -61.08  105.37
    8.00  -76.77  175.15  -61.46  113.62
    9.00  -76.54  190.15  -60.94  121.11
   10.00  -76.76  205.15  -61.35  128.66
   11.00  -76.62  220.15  -61.85  136.23
   12.00  -76.41  235.15  -62.76  143.94
   13.00  -76.25  250.15  -64.15  151.70
   14.00  -76.43  265.15  -66.23  158.99
   15.00  -76.06  280.15  -68.24  167.09
   16.00  -76.04  295.15  -70.91  174.48
   17.00  -74.72  310.15  -73.15  185.75
   18.00  -74.64  325.15  -76.55  194.46
   19.00  -75.05  340.15  -80.41  201.50
   20.00  -74.20  355.15  -83.89  220.17
   21.00  -71.94   10.15  -85.47  278.41
   22.00  -70.67   25.15  -83.53  337.78
   23.00  -69.51   40.15  -78.95    6.29
</PRE>


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