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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>
31 Mar 1997 13:04:58 yearsecs   7736698
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.70  238.10  -50.40  153.86
    1.00  -63.98  253.10  -53.60  164.02
    2.00  -64.84  268.10  -56.72  174.32
    3.00  -67.29  283.10  -61.60  182.63
    4.00  -67.14  298.10  -64.61  193.79
    5.00  -68.10  313.10  -68.98  203.80
    6.00  -68.45  328.10  -73.04  216.31
    7.00  -69.59  343.10  -77.74  229.63
    8.00  -70.06  358.10  -81.64  252.30
    9.00  -69.82   13.10  -83.44  295.57
   10.00  -69.17   28.10  -81.41  341.13
   11.00  -68.63   43.10  -77.26    7.93
   12.00  -68.38   58.10  -72.84   25.52
   13.00  -68.42   73.10  -68.79   39.75
   14.00  -68.73   88.10  -65.30   52.62
   15.00  -69.32  103.10  -62.46   64.66
   16.00  -69.91  118.10  -60.15   75.56
   17.00  -69.95  133.10  -57.92   85.12
   18.00  -70.02  148.10  -56.34   94.50
   19.00  -69.26  163.10  -54.43  103.45
   20.00  -68.41  178.10  -52.90  112.72
   21.00  -67.66  193.10  -52.00  122.26
   22.00  -66.42  208.10  -51.23  132.08
   23.00  -64.31  223.10  -50.30  142.65
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.70  238.10  -55.02  151.42
    1.00  -68.98  253.10  -58.09  160.44
    2.00  -69.84  268.10  -61.11  169.41
    3.00  -76.23  283.10  -68.86  168.20
    4.00  -78.41  298.10  -72.90  169.09
    5.00  -78.84  313.10  -75.84  172.49
    6.00  -77.97  328.10  -78.56  180.47
    7.00  -76.85  343.10  -81.67  190.98
    8.00  -77.00  358.10  -85.25  190.10
    9.00  -77.06   13.10  -88.43  152.68
   10.00  -76.83   28.10  -86.67   60.00
   11.00  -76.94   43.10  -82.85   57.41
   12.00  -77.28   58.10  -79.17   62.95
   13.00  -77.09   73.10  -75.55   67.16
   14.00  -76.91   88.10  -72.14   72.69
   15.00  -76.72  103.10  -69.05   78.88
   16.00  -76.53  118.10  -66.38   85.48
   17.00  -76.32  133.10  -64.16   92.38
   18.00  -77.59  148.10  -63.86  101.08
   19.00  -77.87  163.10  -63.10  108.38
   20.00  -76.93  178.10  -61.52  115.15
   21.00  -74.78  193.10  -59.15  122.54
   22.00  -71.42  208.10  -56.12  131.30
   23.00  -69.31  223.10  -55.02  141.03
</PRE>


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