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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>
23 Aug 1997 02:03:48 yearsecs  20225028
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.21   40.40  -71.77  352.92
    1.00  -63.76   55.40  -68.39   12.78
    2.00  -64.58   70.40  -65.35   29.56
    3.00  -65.39   85.40  -62.50   44.46
    4.00  -65.16  100.40  -58.81   56.52
    5.00  -66.29  115.40  -56.98   69.39
    6.00  -66.52  130.40  -54.80   80.20
    7.00  -66.55  145.40  -53.07   90.39
    8.00  -67.07  160.40  -52.39  100.70
    9.00  -66.58  175.40  -51.15  110.50
   10.00  -66.17  190.40  -50.49  120.41
   11.00  -65.98  205.40  -50.67  130.35
   12.00  -66.01  220.40  -51.67  140.33
   13.00  -66.27  235.40  -53.40  150.33
   14.00  -66.75  250.40  -55.73  160.29
   15.00  -67.46  265.40  -58.60  170.04
   16.00  -68.39  280.40  -62.03  179.37
   17.00  -69.44  295.40  -65.96  188.21
   18.00  -69.34  310.40  -69.33  199.23
   19.00  -68.73  325.40  -72.58  213.07
   20.00  -67.55  340.40  -75.40  232.22
   21.00  -66.50  355.40  -77.80  258.10
   22.00  -65.06   10.40  -78.16  293.20
   23.00  -63.69   25.40  -75.62  327.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.21   40.40  -77.53    2.62
    1.00  -69.39   55.40  -74.60   25.52
    2.00  -70.45   70.40  -71.46   42.54
    3.00  -73.33   85.40  -70.11   61.05
    4.00  -75.67  100.40  -68.73   75.15
    5.00  -77.01  115.40  -67.21   85.13
    6.00  -76.36  130.40  -64.53   91.12
    7.00  -75.77  145.40  -62.32   97.86
    8.00  -76.71  160.40  -62.09  106.23
    9.00  -76.45  175.40  -61.12  113.62
   10.00  -76.71  190.40  -61.11  121.26
   11.00  -76.50  205.40  -61.09  128.84
   12.00  -76.38  220.40  -61.64  136.48
   13.00  -76.18  235.40  -62.57  144.26
   14.00  -76.31  250.40  -64.23  151.76
   15.00  -75.94  265.40  -65.86  159.88
   16.00  -76.01  280.40  -68.24  167.32
   17.00  -74.89  295.40  -70.17  177.43
   18.00  -74.84  310.40  -73.28  185.55
   19.00  -74.97  325.40  -76.78  193.29
   20.00  -73.98  340.40  -79.97  207.69
   21.00  -71.64  355.40  -82.33  239.18
   22.00  -70.06   10.40  -83.55  285.97
   23.00  -68.69   25.40  -81.34  333.15
</PRE>


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