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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
10 May 1997 20:06:24 yearsecs  11217984
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.22  125.09  -54.24   75.30
    1.00  -66.36  140.09  -53.43   86.68
    2.00  -67.13  155.09  -52.83   97.20
    3.00  -67.90  170.09  -52.69  107.40
    4.00  -67.43  185.09  -51.78  117.05
    5.00  -68.00  200.09  -52.46  126.74
    6.00  -67.83  215.09  -53.01  136.37
    7.00  -68.08  230.09  -54.51  145.98
    8.00  -69.08  245.09  -57.12  155.15
    9.00  -69.30  260.09  -59.38  164.74
   10.00  -69.26  275.09  -61.81  174.69
   11.00  -69.05  290.09  -64.51  185.15
   12.00  -69.07  305.09  -67.84  195.78
   13.00  -69.32  320.09  -71.70  207.01
   14.00  -69.79  335.09  -75.87  219.71
   15.00  -70.49  350.09  -80.17  235.98
   16.00  -71.16    5.09  -83.97  264.69
   17.00  -71.29   20.09  -84.87  322.13
   18.00  -71.45   35.09  -82.11    5.83
   19.00  -70.82   50.09  -77.43   24.54
   20.00  -70.00   65.09  -72.49   36.74
   21.00  -69.22   80.09  -67.77   47.35
   22.00  -68.51   95.09  -63.43   57.53
   23.00  -66.64  110.09  -58.34   65.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.22  125.09  -59.32   80.38
    1.00  -71.36  140.09  -58.50   90.70
    2.00  -72.13  155.09  -57.87  100.16
    3.00  -77.80  170.09  -62.68  111.65
    4.00  -79.73  185.09  -64.26  119.27
    5.00  -80.12  200.09  -64.66  125.74
    6.00  -79.36  215.09  -64.31  132.47
    7.00  -78.22  230.09  -64.07  140.01
    8.00  -78.21  245.09  -65.34  146.96
    9.00  -78.07  260.09  -66.90  153.99
   10.00  -77.60  275.09  -68.59  161.60
   11.00  -77.95  290.09  -71.24  167.26
   12.00  -78.37  305.09  -74.15  171.74
   13.00  -78.25  320.09  -77.00  176.96
   14.00  -78.10  335.09  -80.07  181.14
   15.00  -77.94  350.09  -83.32  182.32
   16.00  -77.78    5.09  -86.54  171.32
   17.00  -77.60   20.09  -87.80   99.32
   18.00  -78.76   35.09  -84.41   78.50
   19.00  -79.07   50.09  -81.22   74.08
   20.00  -78.28   65.09  -77.84   70.16
   21.00  -76.42   80.09  -73.58   67.55
   22.00  -73.51   95.09  -68.05   67.33
   23.00  -71.64  110.09  -63.28   72.91
</PRE>


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