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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>
17 Aug 1997 11:54:16 yearsecs  19742056
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.33  255.41  -47.73  169.65
    1.00  -57.55  270.41  -50.46  181.62
    2.00  -57.75  285.41  -53.41  193.97
    3.00  -57.91  300.41  -56.71  206.74
    4.00  -58.05  315.41  -60.40  220.37
    5.00  -58.57  330.41  -64.60  235.44
    6.00  -60.26  345.41  -69.69  252.42
    7.00  -61.50    0.41  -73.53  275.69
    8.00  -61.69   15.41  -74.36  306.23
    9.00  -61.32   30.41  -71.83  335.23
   10.00  -61.13   45.41  -67.82  357.11
   11.00  -61.14   60.41  -63.74   14.16
   12.00  -61.33   75.41  -60.19   29.14
   13.00  -61.73   90.41  -57.21   43.37
   14.00  -62.32  105.41  -54.72   57.04
   15.00  -63.12  120.41  -52.79   69.88
   16.00  -64.11  135.41  -51.66   81.78
   17.00  -65.31  150.41  -51.35   93.05
   18.00  -65.60  165.41  -50.61  103.46
   19.00  -64.31  180.41  -48.72  113.40
   20.00  -62.63  195.41  -47.04  123.66
   21.00  -61.39  210.41  -46.49  134.35
   22.00  -59.51  225.41  -45.94  145.70
   23.00  -58.34  240.41  -46.54  157.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.09  255.41  -62.03  158.07
    1.00  -73.94  270.41  -64.96  165.57
    2.00  -74.74  285.41  -68.16  172.41
    3.00  -75.18  300.41  -71.37  179.33
    4.00  -75.86  315.41  -74.97  184.77
    5.00  -76.87  330.41  -78.75  186.84
    6.00  -77.25  345.41  -82.27  188.40
    7.00  -76.37    0.41  -85.86  198.36
    8.00  -76.34   15.41  -89.38  141.55
    9.00  -76.64   30.41  -86.11   54.99
   10.00  -76.18   45.41  -82.10   51.49
   11.00  -75.86   60.41  -78.05   56.10
   12.00  -75.67   75.41  -74.20   62.63
   13.00  -75.50   90.41  -70.65   69.68
   14.00  -75.50  105.41  -67.63   77.29
   15.00  -75.33  120.41  -64.95   84.59
   16.00  -75.64  135.41  -63.24   92.64
   17.00  -75.83  150.41  -61.94  100.47
   18.00  -75.49  165.41  -60.57  107.99
   19.00  -74.63  180.41  -59.13  115.65
   20.00  -74.34  195.41  -58.71  123.79
   21.00  -73.64  210.41  -58.41  132.16
   22.00  -73.75  225.41  -59.44  140.49
   23.00  -72.96  240.41  -60.09  149.51
</PRE>


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