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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>
07 Dec 1997 12:48:20 yearsecs  29422100
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.31  231.53  -52.08  148.11
    1.00  -65.25  246.53  -53.84  158.55
    2.00  -66.20  261.53  -56.87  168.44
    3.00  -67.15  276.53  -60.24  178.12
    4.00  -66.85  291.53  -62.93  189.30
    5.00  -67.62  306.53  -66.98  199.46
    6.00  -67.60  321.53  -70.68  212.04
    7.00  -67.61  336.53  -74.49  227.35
    8.00  -68.39  351.53  -78.75  246.01
    9.00  -68.38    6.53  -81.41  278.46
   10.00  -68.06   21.53  -81.15  321.77
   11.00  -67.87   36.53  -78.15  355.21
   12.00  -67.90   51.53  -74.18   16.95
   13.00  -68.16   66.53  -70.29   33.25
   14.00  -68.64   81.53  -66.84   47.27
   15.00  -69.35   96.53  -63.93   60.04
   16.00  -70.17  111.53  -61.60   71.63
   17.00  -70.77  126.53  -59.66   81.90
   18.00  -70.70  141.53  -57.68   90.99
   19.00  -70.13  156.53  -55.75   99.79
   20.00  -69.20  171.53  -53.93  108.76
   21.00  -68.29  186.53  -52.62  118.09
   22.00  -67.48  201.53  -51.99  127.69
   23.00  -66.26  216.53  -51.61  137.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.31  231.53  -56.72  145.84
    1.00  -71.37  246.53  -59.36  154.36
    2.00  -72.27  261.53  -62.18  162.58
    3.00  -77.13  276.53  -68.46  163.22
    4.00  -79.25  291.53  -72.26  164.18
    5.00  -79.58  306.53  -74.94  167.74
    6.00  -78.88  321.53  -77.47  174.40
    7.00  -78.20  336.53  -80.39  180.70
    8.00  -78.55  351.53  -83.52  176.24
    9.00  -78.43    6.53  -86.35  159.24
   10.00  -78.52   21.53  -86.77  102.98
   11.00  -78.38   36.53  -84.26   73.41
   12.00  -78.57   51.53  -80.92   70.38
   13.00  -78.34   66.53  -77.54   70.82
   14.00  -78.27   81.53  -74.30   74.80
   15.00  -78.02   96.53  -71.22   79.45
   16.00  -78.08  111.53  -68.71   85.68
   17.00  -77.83  126.53  -66.36   91.61
   18.00  -78.47  141.53  -65.29   99.15
   19.00  -78.29  156.53  -63.91  105.67
   20.00  -77.29  171.53  -62.12  112.07
   21.00  -75.32  186.53  -59.72  119.08
   22.00  -72.94  201.53  -57.40  127.27
   23.00  -71.26  216.53  -56.41  136.35
</PRE>


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