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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 Oct 1997 22:13:20 yearsecs  24704000
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.12   95.94  -58.67   51.42
    1.00  -63.88  110.94  -55.30   63.30
    2.00  -64.76  125.94  -53.63   75.50
    3.00  -65.64  140.94  -52.59   86.74
    4.00  -65.42  155.94  -51.02   96.90
    5.00  -66.50  170.94  -51.24  107.50
    6.00  -66.71  185.94  -51.04  117.51
    7.00  -66.57  200.94  -51.07  127.36
    8.00  -67.24  215.94  -52.51  137.06
    9.00  -66.79  230.94  -53.40  147.10
   10.00  -66.40  245.94  -54.81  157.45
   11.00  -66.19  260.94  -56.77  168.04
   12.00  -66.22  275.94  -59.32  178.71
   13.00  -66.48  290.94  -62.48  189.37
   14.00  -66.96  305.94  -66.28  200.10
   15.00  -67.67  320.94  -70.59  211.37
   16.00  -68.60  335.94  -75.16  224.08
   17.00  -69.63  350.94  -79.68  240.77
   18.00  -69.50    5.94  -82.49  273.83
   19.00  -68.91   20.94  -82.16  321.02
   20.00  -67.76   35.94  -78.17  353.90
   21.00  -66.72   50.94  -73.06   13.35
   22.00  -65.68   65.94  -67.78   27.31
   23.00  -64.72   80.94  -62.84   39.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.71   95.94  -67.17   66.10
    1.00  -73.75  110.94  -65.09   76.90
    2.00  -74.71  125.94  -63.57   86.52
    3.00  -77.37  140.94  -64.30   97.49
    4.00  -79.61  155.94  -65.26  106.69
    5.00  -80.20  170.94  -65.09  113.47
    6.00  -79.66  185.94  -64.17  119.62
    7.00  -79.17  200.94  -63.71  126.24
    8.00  -79.81  215.94  -64.80  132.61
    9.00  -79.58  230.94  -65.42  139.23
   10.00  -79.70  245.94  -66.75  145.45
   11.00  -79.54  260.94  -68.19  151.86
   12.00  -79.39  275.94  -70.01  158.07
   13.00  -79.14  290.94  -72.11  164.29
   14.00  -79.14  305.94  -74.66  169.22
   15.00  -78.78  320.94  -77.33  174.75
   16.00  -78.80  335.94  -80.32  176.87
   17.00  -77.99  350.94  -83.50  181.63
   18.00  -78.03    5.94  -86.54  165.84
   19.00  -78.04   20.94  -87.29  100.63
   20.00  -77.23   35.94  -84.65   60.90
   21.00  -75.39   50.94  -80.33   48.58
   22.00  -74.07   65.94  -75.56   51.19
   23.00  -73.01   80.94  -70.93   57.37
</PRE>


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