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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>
11 Jun 1997 20:22:23 yearsecs  13983743
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.44  120.67  -55.17   72.31
    1.00  -65.58  135.67  -53.15   83.07
    2.00  -66.49  150.67  -52.53   93.90
    3.00  -67.41  165.67  -52.42  104.33
    4.00  -67.15  180.67  -51.57  114.12
    5.00  -67.97  195.67  -52.33  123.92
    6.00  -68.11  210.67  -53.01  133.48
    7.00  -68.76  225.67  -54.73  142.86
    8.00  -70.24  240.67  -57.63  151.57
    9.00  -71.30  255.67  -60.50  160.03
   10.00  -71.33  270.67  -62.81  169.29
   11.00  -70.30  285.67  -64.66  180.29
   12.00  -69.78  300.67  -67.41  191.30
   13.00  -69.63  315.67  -70.84  202.70
   14.00  -69.80  330.67  -74.75  215.25
   15.00  -70.27  345.67  -78.91  230.54
   16.00  -70.77    0.67  -82.79  254.87
   17.00  -70.76   15.67  -84.50  304.08
   18.00  -70.79   30.67  -82.56  353.17
   19.00  -70.03   45.67  -77.95   16.17
   20.00  -69.08   60.67  -72.83   30.03
   21.00  -68.17   75.67  -67.87   41.42
   22.00  -67.49   90.67  -63.44   52.37
   23.00  -66.61  105.67  -59.20   62.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.73  120.67  -61.51   79.50
    1.00  -72.90  135.67  -60.54   89.64
    2.00  -73.73  150.67  -59.83   98.81
    3.00  -78.97  165.67  -64.07  110.36
    4.00  -80.81  180.67  -65.43  117.77
    5.00  -81.24  195.67  -65.78  123.84
    6.00  -80.67  210.67  -65.47  129.99
    7.00  -79.81  225.67  -65.30  136.78
    8.00  -79.96  240.67  -66.51  142.93
    9.00  -80.04  255.67  -68.01  148.88
   10.00  -79.98  270.67  -69.72  154.77
   11.00  -79.92  285.67  -71.75  160.24
   12.00  -80.05  300.67  -74.15  164.43
   13.00  -79.80  315.67  -76.62  169.00
   14.00  -79.54  330.67  -79.33  172.16
   15.00  -79.30  345.67  -82.20  172.17
   16.00  -79.06    0.67  -85.00  163.18
   17.00  -78.81   15.67  -86.75  126.07
   18.00  -79.77   30.67  -84.55   93.33
   19.00  -79.99   45.67  -81.91   82.07
   20.00  -79.19   60.67  -78.98   74.48
   21.00  -77.40   75.67  -75.12   69.38
   22.00  -74.61   90.67  -69.92   67.46
   23.00  -72.93  105.67  -65.34   72.42
</PRE>


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