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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>
13 Jun 1997 20:02:01 yearsecs  14155321
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.91  125.90  -54.83   76.52
    1.00  -65.59  140.90  -52.55   86.69
    2.00  -66.48  155.90  -52.11   97.41
    3.00  -67.37  170.90  -52.12  107.75
    4.00  -67.02  185.90  -51.36  117.53
    5.00  -67.73  200.90  -52.22  127.28
    6.00  -67.67  215.90  -52.91  136.94
    7.00  -67.74  230.90  -54.28  146.66
    8.00  -68.59  245.90  -56.78  156.01
    9.00  -68.67  260.90  -58.95  165.86
   10.00  -68.41  275.90  -61.22  176.25
   11.00  -68.19  290.90  -63.95  186.98
   12.00  -68.23  305.90  -67.34  197.92
   13.00  -68.48  320.90  -71.24  209.59
   14.00  -68.97  335.90  -75.44  223.02
   15.00  -69.67  350.90  -79.70  240.55
   16.00  -70.45    5.90  -83.43  270.33
   17.00  -70.92   20.90  -84.39  324.33
   18.00  -70.91   35.90  -81.41    4.68
   19.00  -70.33   50.90  -76.76   23.66
   20.00  -69.43   65.90  -71.73   35.90
   21.00  -68.56   80.90  -66.92   46.60
   22.00  -67.80   95.90  -62.54   56.95
   23.00  -66.92  110.90  -58.47   66.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.84  125.90  -60.81   82.77
    1.00  -72.88  140.90  -59.92   92.58
    2.00  -73.71  155.90  -59.39  101.70
    3.00  -78.39  170.90  -63.26  112.36
    4.00  -80.32  185.90  -64.85  119.76
    5.00  -80.66  200.90  -65.23  126.00
    6.00  -80.02  215.90  -65.01  132.49
    7.00  -79.22  230.90  -65.08  139.53
    8.00  -79.40  245.90  -66.48  145.83
    9.00  -79.23  260.90  -67.95  152.39
   10.00  -79.08  275.90  -69.79  158.79
   11.00  -79.13  290.90  -72.09  164.32
   12.00  -79.51  305.90  -74.80  167.85
   13.00  -79.31  320.90  -77.45  172.24
   14.00  -79.19  335.90  -80.32  174.36
   15.00  -78.96  350.90  -83.28  172.86
   16.00  -78.94    5.90  -85.87  155.17
   17.00  -78.70   20.90  -86.65  106.57
   18.00  -79.41   35.90  -83.94   83.89
   19.00  -79.38   50.90  -81.02   76.10
   20.00  -78.52   65.90  -77.73   71.59
   21.00  -76.75   80.90  -73.59   69.05
   22.00  -74.44   95.90  -68.65   69.92
   23.00  -72.85  110.90  -64.27   75.36
</PRE>


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