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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 11:26:11 yearsecs   6261971
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.48  261.89  -53.59  171.54
    1.00  -63.02  276.89  -56.65  182.54
    2.00  -63.57  291.89  -60.11  193.66
    3.00  -64.12  306.89  -64.01  205.18
    4.00  -63.78  321.89  -67.44  219.30
    5.00  -65.08  336.89  -72.36  233.39
    6.00  -65.49  351.89  -76.14  254.08
    7.00  -65.56    6.89  -78.49  284.32
    8.00  -66.11   21.89  -78.91  321.19
    9.00  -65.47   36.89  -75.36  350.87
   10.00  -65.06   51.89  -70.91   11.06
   11.00  -64.87   66.89  -66.61   26.71
   12.00  -64.90   81.89  -62.82   40.60
   13.00  -65.16   96.89  -59.59   53.68
   14.00  -65.65  111.89  -56.97   66.05
   15.00  -66.35  126.89  -55.14   77.62
   16.00  -67.28  141.89  -54.18   88.56
   17.00  -67.98  156.89  -53.56   98.84
   18.00  -67.62  171.89  -52.33  108.48
   19.00  -67.78  186.89  -52.11  118.27
   20.00  -66.43  201.89  -50.97  128.00
   21.00  -65.15  216.89  -50.58  138.18
   22.00  -64.12  231.89  -51.01  148.84
   23.00  -62.93  246.89  -51.77  160.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.80  261.89  -58.34  167.32
    1.00  -69.00  276.89  -61.91  176.22
    2.00  -70.03  291.89  -65.70  184.84
    3.00  -71.10  306.89  -69.87  192.98
    4.00  -74.23  321.89  -75.54  194.07
    5.00  -74.89  336.89  -79.53  200.38
    6.00  -74.94  351.89  -83.36  210.35
    7.00  -74.31    6.89  -86.95  241.42
    8.00  -75.62   21.89  -88.40   30.49
    9.00  -75.41   36.89  -84.20   40.21
   10.00  -75.59   51.89  -80.16   50.31
   11.00  -75.49   66.89  -76.19   57.58
   12.00  -75.15   81.89  -72.32   64.24
   13.00  -75.05   96.89  -68.94   71.89
   14.00  -75.29  111.89  -66.30   80.17
   15.00  -74.88  126.89  -63.60   87.26
   16.00  -74.77  141.89  -61.68   95.01
   17.00  -72.98  156.89  -58.60  101.77
   18.00  -72.62  171.89  -57.37  110.21
   19.00  -73.36  186.89  -57.72  118.98
   20.00  -72.57  201.89  -57.05  127.52
   21.00  -70.15  216.89  -55.36  136.90
   22.00  -69.16  231.89  -55.69  146.64
   23.00  -68.05  246.89  -56.42  157.03
</PRE>


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