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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>
30 Apr 1997 15:25:22 yearsecs  10337122
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.52  205.20  -50.21  130.26
    1.00  -66.00  220.20  -51.65  140.20
    2.00  -66.84  235.20  -53.90  149.93
    3.00  -67.67  250.20  -56.52  159.51
    4.00  -67.32  265.20  -58.45  170.03
    5.00  -68.03  280.20  -61.69  179.67
    6.00  -68.04  295.20  -64.74  190.29
    7.00  -68.52  310.20  -68.61  200.70
    8.00  -69.78  325.20  -73.34  210.27
    9.00  -70.36  340.20  -77.60  223.44
   10.00  -69.84  355.20  -80.82  247.43
   11.00  -69.38   10.20  -82.81  286.86
   12.00  -69.20   25.20  -81.94  333.71
   13.00  -69.30   40.20  -78.71    5.63
   14.00  -69.65   55.20  -74.91   26.11
   15.00  -70.26   70.20  -71.34   41.86
   16.00  -70.86   85.20  -68.02   54.89
   17.00  -70.93  100.20  -64.62   65.38
   18.00  -71.03  115.20  -61.76   75.20
   19.00  -70.33  130.20  -58.70   83.69
   20.00  -69.45  145.20  -56.04   92.28
   21.00  -68.61  160.20  -53.97  101.30
   22.00  -68.00  175.20  -52.59  110.75
   23.00  -66.88  190.20  -51.20  120.33
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.52  205.20  -55.11  129.71
    1.00  -71.68  220.20  -57.06  138.39
    2.00  -72.47  235.20  -59.10  146.82
    3.00  -78.06  250.20  -65.74  149.50
    4.00  -79.98  265.20  -69.05  152.69
    5.00  -80.39  280.20  -71.26  157.15
    6.00  -79.69  295.20  -73.09  164.06
    7.00  -78.64  310.20  -75.22  172.42
    8.00  -78.70  325.20  -78.15  176.07
    9.00  -78.64  340.20  -81.18  177.92
   10.00  -78.46  355.20  -84.28  174.94
   11.00  -78.54   10.20  -86.72  147.40
   12.00  -78.81   25.20  -86.07   95.01
   13.00  -78.63   40.20  -83.40   73.57
   14.00  -78.45   55.20  -80.09   69.63
   15.00  -78.26   70.20  -76.70   71.36
   16.00  -78.08   85.20  -73.45   75.39
   17.00  -77.88  100.20  -70.46   80.55
   18.00  -78.99  115.20  -68.88   89.16
   19.00  -79.28  130.20  -67.21   95.62
   20.00  -78.48  145.20  -64.96  100.78
   21.00  -76.62  160.20  -62.02  106.07
   22.00  -73.70  175.20  -58.34  112.49
   23.00  -71.88  190.20  -56.21  120.73
</PRE>


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