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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>
27 Jul 1997 19:32:32 yearsecs  17955152
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.77  135.93  -53.31   83.40
    1.00  -65.32  150.93  -51.32   93.42
    2.00  -66.37  165.93  -51.36  104.10
    3.00  -67.42  180.93  -51.84  114.34
    4.00  -67.23  195.93  -51.61  124.08
    5.00  -68.10  210.93  -53.02  133.65
    6.00  -68.21  225.93  -54.23  143.24
    7.00  -68.30  240.93  -55.90  152.94
    8.00  -69.18  255.93  -58.67  162.13
    9.00  -69.26  270.93  -61.09  171.92
   10.00  -69.03  285.93  -63.65  182.31
   11.00  -68.55  300.93  -66.45  193.65
   12.00  -68.41  315.93  -69.94  205.52
   13.00  -68.53  330.93  -73.83  218.93
   14.00  -68.89  345.93  -77.87  235.78
   15.00  -69.48    0.93  -81.67  260.96
   16.00  -70.23   15.93  -83.92  305.25
   17.00  -70.82   30.93  -82.52  353.90
   18.00  -70.61   45.93  -78.41   18.70
   19.00  -69.93   60.93  -73.57   32.70
   20.00  -68.90   75.93  -68.53   43.26
   21.00  -68.10   90.93  -63.99   53.64
   22.00  -67.33  105.93  -59.89   63.77
   23.00  -66.57  120.93  -56.30   73.66
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.74  135.93  -60.35   89.61
    1.00  -73.67  150.93  -59.75   98.91
    2.00  -74.48  165.93  -59.53  107.71
    3.00  -78.63  180.93  -63.19  117.09
    4.00  -80.54  195.93  -65.05  123.96
    5.00  -80.85  210.93  -65.66  130.02
    6.00  -80.24  225.93  -65.73  136.54
    7.00  -79.63  240.93  -66.24  143.44
    8.00  -79.93  255.93  -67.95  149.17
    9.00  -79.76  270.93  -69.60  155.35
   10.00  -79.84  285.93  -71.75  160.55
   11.00  -79.70  300.93  -74.04  165.77
   12.00  -79.77  315.93  -76.66  169.16
   13.00  -79.59  330.93  -79.38  171.91
   14.00  -79.55  345.93  -82.19  170.19
   15.00  -79.33    0.93  -84.87  160.17
   16.00  -79.46   15.93  -86.05  124.88
   17.00  -79.27   30.93  -84.87   88.53
   18.00  -79.69   45.93  -81.95   79.78
   19.00  -79.63   60.93  -78.97   77.03
   20.00  -78.70   75.93  -75.65   74.85
   21.00  -76.94   90.93  -71.57   74.03
   22.00  -74.94  105.93  -67.06   76.40
   23.00  -73.50  120.93  -63.16   82.09
</PRE>


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