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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>
26 May 1997 18:37:31 yearsecs  12595051
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.08  147.93  -49.27   90.07
    1.00  -63.40  162.93  -48.51  100.90
    2.00  -64.03  177.93  -48.51  111.62
    3.00  -64.66  192.93  -49.01  122.01
    4.00  -64.39  207.93  -49.25  132.23
    5.00  -65.64  222.93  -51.55  142.14
    6.00  -65.96  237.93  -53.41  152.20
    7.00  -65.84  252.93  -55.26  162.67
    8.00  -66.53  267.93  -58.20  172.67
    9.00  -65.95  282.93  -60.39  184.10
   10.00  -65.60  297.93  -63.24  195.86
   11.00  -65.34  312.93  -66.58  208.52
   12.00  -65.38  327.93  -70.40  222.68
   13.00  -65.64  342.93  -74.31  240.07
   14.00  -66.12  357.93  -77.89  263.81
   15.00  -66.83   12.93  -80.16  298.09
   16.00  -67.76   27.93  -79.88  337.52
   17.00  -68.88   42.93  -77.56    8.45
   18.00  -68.87   57.93  -73.38   26.67
   19.00  -68.20   72.93  -68.61   39.11
   20.00  -66.92   87.93  -63.51   49.17
   21.00  -65.83  102.93  -58.98   59.44
   22.00  -64.69  117.93  -54.87   69.54
   23.00  -63.57  132.93  -51.41   79.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.61  147.93  -55.94   94.10
    1.00  -70.86  162.93  -56.06  104.11
    2.00  -71.95  177.93  -56.47  113.52
    3.00  -73.65  192.93  -58.00  122.40
    4.00  -76.55  207.93  -61.22  130.10
    5.00  -77.54  222.93  -62.92  137.10
    6.00  -76.84  237.93  -63.41  144.96
    7.00  -76.15  252.93  -64.39  153.23
    8.00  -77.18  267.93  -67.22  159.09
    9.00  -76.92  282.93  -69.34  166.62
   10.00  -77.16  297.93  -72.15  172.73
   11.00  -76.87  312.93  -74.96  180.02
   12.00  -76.37  327.93  -78.01  188.37
   13.00  -76.09  342.93  -81.46  196.28
   14.00  -76.21  357.93  -85.22  200.36
   15.00  -75.75   12.93  -89.14  215.57
   16.00  -75.64   27.93  -86.74   37.19
   17.00  -74.12   42.93  -81.92   34.12
   18.00  -73.97   57.93  -77.65   45.36
   19.00  -74.61   72.93  -74.12   57.48
   20.00  -73.90   87.93  -69.98   64.07
   21.00  -71.74  102.93  -64.80   68.59
   22.00  -70.73  117.93  -60.99   76.51
   23.00  -69.83  132.93  -57.83   84.90
</PRE>


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