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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 May 1997 20:06:47 yearsecs  10526807
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.37  125.59  -54.31   75.80
    1.00  -65.48  140.59  -52.47   86.40
    2.00  -66.35  155.59  -52.00   97.13
    3.00  -67.23  170.59  -51.99  107.51
    4.00  -66.91  185.59  -51.25  117.31
    5.00  -67.67  200.59  -52.15  127.08
    6.00  -67.74  215.59  -52.96  136.72
    7.00  -68.32  230.59  -54.78  146.20
    8.00  -69.78  245.59  -57.81  154.99
    9.00  -71.01  260.59  -60.95  163.38
   10.00  -70.93  275.59  -63.32  172.89
   11.00  -69.25  290.59  -64.78  185.20
   12.00  -69.07  305.59  -67.96  196.16
   13.00  -69.09  320.59  -71.64  207.97
   14.00  -69.39  335.59  -75.69  221.45
   15.00  -69.97  350.59  -79.87  238.91
   16.00  -70.55    5.59  -83.47  269.04
   17.00  -70.59   20.59  -84.06  322.48
   18.00  -70.67   35.59  -81.26    2.99
   19.00  -69.94   50.59  -76.48   21.94
   20.00  -69.02   65.59  -71.41   34.53
   21.00  -68.13   80.59  -66.57   45.46
   22.00  -67.46   95.59  -62.27   56.17
   23.00  -66.57  110.59  -58.17   66.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.63  125.59  -60.65   82.33
    1.00  -72.77  140.59  -59.85   92.30
    2.00  -73.56  155.59  -59.27  101.43
    3.00  -78.83  170.59  -63.71  112.47
    4.00  -80.66  185.59  -65.21  119.72
    5.00  -81.06  200.59  -65.64  125.81
    6.00  -80.44  215.59  -65.42  132.13
    7.00  -79.50  230.59  -65.32  139.15
    8.00  -79.58  245.59  -66.61  145.47
    9.00  -79.57  260.59  -68.18  151.66
   10.00  -79.34  275.59  -69.93  158.06
   11.00  -79.42  290.59  -72.22  163.35
   12.00  -79.75  305.59  -74.85  166.86
   13.00  -79.56  320.59  -77.45  170.96
   14.00  -79.36  335.59  -80.26  173.29
   15.00  -79.16  350.59  -83.16  171.28
   16.00  -78.95    5.59  -85.81  155.71
   17.00  -78.73   20.59  -86.64  107.84
   18.00  -79.73   35.59  -83.81   86.98
   19.00  -79.96   50.59  -80.99   80.23
   20.00  -79.18   65.59  -77.95   74.97
   21.00  -77.41   80.59  -74.04   71.31
   22.00  -74.65   95.59  -68.88   70.25
   23.00  -72.92  110.59  -64.39   75.29
</PRE>


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