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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>
14 Mar 1997 11:26:23 yearsecs   6261983
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.48  261.84  -53.58  171.50
    1.00  -63.02  276.84  -56.64  182.50
    2.00  -63.57  291.84  -60.09  193.62
    3.00  -64.12  306.84  -64.00  205.14
    4.00  -63.78  321.84  -67.43  219.25
    5.00  -65.08  336.84  -72.35  233.33
    6.00  -65.49  351.84  -76.13  253.99
    7.00  -65.56    6.84  -78.49  284.20
    8.00  -66.11   21.84  -78.91  321.07
    9.00  -65.47   36.84  -75.37  350.79
   10.00  -65.06   51.84  -70.92   11.00
   11.00  -64.87   66.84  -66.62   26.66
   12.00  -64.90   81.84  -62.83   40.55
   13.00  -65.16   96.84  -59.60   53.64
   14.00  -65.65  111.84  -56.98   66.02
   15.00  -66.35  126.84  -55.14   77.59
   16.00  -67.28  141.84  -54.19   88.52
   17.00  -67.99  156.84  -53.56   98.81
   18.00  -67.62  171.84  -52.33  108.45
   19.00  -67.78  186.84  -52.11  118.23
   20.00  -66.43  201.84  -50.97  127.96
   21.00  -65.16  216.84  -50.58  138.15
   22.00  -64.12  231.84  -51.01  148.81
   23.00  -62.93  246.84  -51.76  160.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.81  261.84  -58.34  167.28
    1.00  -69.01  276.84  -61.91  176.17
    2.00  -70.04  291.84  -65.70  184.79
    3.00  -71.12  306.84  -69.87  192.92
    4.00  -74.24  321.84  -75.54  194.00
    5.00  -74.90  336.84  -79.52  200.28
    6.00  -74.95  351.84  -83.35  210.22
    7.00  -74.32    6.84  -86.94  241.11
    8.00  -75.63   21.84  -88.41   30.69
    9.00  -75.41   36.84  -84.21   40.25
   10.00  -75.59   51.84  -80.18   50.32
   11.00  -75.49   66.84  -76.21   57.58
   12.00  -75.15   81.84  -72.33   64.22
   13.00  -75.05   96.84  -68.95   71.88
   14.00  -75.30  111.84  -66.31   80.15
   15.00  -74.89  126.84  -63.61   87.24
   16.00  -74.77  141.84  -61.69   94.98
   17.00  -72.99  156.84  -58.60  101.74
   18.00  -72.62  171.84  -57.37  110.18
   19.00  -73.36  186.84  -57.73  118.96
   20.00  -72.58  201.84  -57.05  127.49
   21.00  -70.16  216.84  -55.37  136.87
   22.00  -69.17  231.84  -55.69  146.61
   23.00  -68.06  246.84  -56.42  156.99
</PRE>


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