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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>
16 Mar 1997 19:30:33 yearsecs   6463833
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.14  140.42  -52.14   86.05
    1.00  -64.37  155.42  -49.99   96.03
    2.00  -65.49  170.42  -50.24  106.83
    3.00  -66.60  185.42  -50.94  117.16
    4.00  -66.43  200.42  -50.92  127.03
    5.00  -67.35  215.42  -52.57  136.70
    6.00  -67.44  230.42  -53.95  146.47
    7.00  -67.29  245.42  -55.54  156.55
    8.00  -67.95  260.42  -58.25  166.18
    9.00  -67.64  275.42  -60.46  176.81
   10.00  -67.26  290.42  -63.05  187.94
   11.00  -67.03  305.42  -66.22  199.58
   12.00  -67.07  320.42  -69.95  212.11
   13.00  -67.33  335.42  -73.97  226.77
   14.00  -67.81  350.42  -77.98  245.92
   15.00  -68.52    5.42  -81.42  275.20
   16.00  -69.44   20.42  -82.81  320.08
   17.00  -70.38   35.42  -81.02    1.40
   18.00  -70.13   50.42  -76.71   22.41
   19.00  -69.61   65.42  -72.03   35.96
   20.00  -68.59   80.42  -67.07   46.28
   21.00  -67.60   95.42  -62.44   56.25
   22.00  -66.66  110.42  -58.30   66.19
   23.00  -65.86  125.42  -54.85   76.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.09  140.42  -59.19   91.57
    1.00  -73.00  155.42  -58.72  100.94
    2.00  -73.95  170.42  -58.78  109.92
    3.00  -77.90  185.42  -62.37  119.00
    4.00  -79.98  200.42  -64.53  125.90
    5.00  -80.29  215.42  -65.26  132.14
    6.00  -79.69  230.42  -65.49  138.90
    7.00  -79.19  245.42  -66.25  145.89
    8.00  -79.59  260.42  -68.18  151.56
    9.00  -79.32  275.42  -69.89  158.06
   10.00  -79.52  290.42  -72.24  163.00
   11.00  -79.20  305.42  -74.59  168.86
   12.00  -79.39  320.42  -77.38  171.77
   13.00  -79.32  335.42  -80.23  173.54
   14.00  -79.23  350.42  -83.11  170.73
   15.00  -78.91    5.42  -85.82  156.46
   16.00  -79.09   20.42  -86.29  110.49
   17.00  -78.78   35.42  -84.33   78.41
   18.00  -79.05   50.42  -81.15   73.90
   19.00  -78.62   65.42  -77.86   72.02
   20.00  -77.63   80.42  -74.20   72.05
   21.00  -75.80   95.42  -69.83   73.00
   22.00  -74.04  110.42  -65.44   77.11
   23.00  -72.68  125.42  -61.69   83.52
</PRE>


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