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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>
14 Aug 1997 20:56:40 yearsecs  19515400
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.34  115.29  -53.92   66.13
    1.00  -63.52  130.29  -51.70   77.63
    2.00  -64.21  145.29  -50.68   88.85
    3.00  -64.90  160.29  -50.20   99.66
    4.00  -64.64  175.29  -49.20  109.94
    5.00  -65.86  190.29  -50.18  120.31
    6.00  -66.15  205.29  -50.83  130.26
    7.00  -66.02  220.29  -51.67  140.25
    8.00  -66.71  235.29  -53.79  150.05
    9.00  -66.17  250.29  -55.18  160.60
   10.00  -65.74  265.29  -57.06  171.50
   11.00  -65.55  280.29  -59.53  182.59
   12.00  -65.59  295.29  -62.63  193.84
   13.00  -65.84  310.29  -66.37  205.46
   14.00  -66.33  325.29  -70.56  218.18
   15.00  -67.03  340.29  -74.93  233.37
   16.00  -67.97  355.29  -79.17  254.05
   17.00  -69.06   10.29  -82.48  287.77
   18.00  -69.02   25.29  -81.73  333.55
   19.00  -68.37   40.29  -77.74    2.91
   20.00  -67.13   55.29  -72.30   19.36
   21.00  -66.05   70.29  -67.04   32.21
   22.00  -64.94   85.29  -62.03   43.61
   23.00  -63.85  100.29  -57.44   54.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.43  115.29  -63.09   77.28
    1.00  -73.54  130.29  -61.84   87.34
    2.00  -74.50  145.29  -61.09   96.56
    3.00  -76.29  160.29  -61.68  105.87
    4.00  -78.75  175.29  -63.46  114.56
    5.00  -79.54  190.29  -64.02  121.51
    6.00  -78.97  205.29  -63.59  128.23
    7.00  -78.41  220.29  -63.62  135.34
    8.00  -79.22  235.29  -65.40  141.46
    9.00  -78.96  250.29  -66.53  148.31
   10.00  -79.11  265.29  -68.39  154.43
   11.00  -79.13  280.29  -70.46  160.36
   12.00  -78.92  295.29  -72.70  166.48
   13.00  -78.67  310.29  -75.25  172.32
   14.00  -78.71  325.29  -78.17  176.01
   15.00  -78.30  340.29  -81.20  180.26
   16.00  -78.20  355.29  -84.38  177.61
   17.00  -77.00   10.29  -88.02  170.72
   18.00  -76.87   25.29  -87.33   64.97
   19.00  -77.25   40.29  -83.57   60.19
   20.00  -76.55   55.29  -79.64   57.76
   21.00  -74.67   70.29  -74.83   56.17
   22.00  -73.64   85.29  -70.38   61.80
   23.00  -72.66  100.29  -66.19   68.68
</PRE>


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