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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 Aug 1997 00:28:58 yearsecs  19441738
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.45   63.41  -63.35   17.68
    1.00  -62.05   78.41  -60.35   32.97
    2.00  -62.66   93.41  -57.61   47.25
    3.00  -63.26  108.41  -55.13   60.58
    4.00  -62.67  123.41  -51.83   71.77
    5.00  -63.85  138.41  -51.03   83.75
    6.00  -64.53  153.41  -50.31   94.71
    7.00  -64.75  168.41  -49.59  105.22
    8.00  -65.09  183.41  -49.45  115.59
    9.00  -64.73  198.41  -49.18  125.74
   10.00  -64.31  213.41  -49.52  135.99
   11.00  -64.12  228.41  -50.64  146.41
   12.00  -64.16  243.41  -52.43  156.96
   13.00  -64.42  258.41  -54.79  167.59
   14.00  -64.90  273.41  -57.70  178.17
   15.00  -65.61  288.41  -61.19  188.58
   16.00  -66.54  303.41  -65.32  198.78
   17.00  -67.70  318.41  -69.97  209.08
   18.00  -67.70  333.41  -73.78  223.61
   19.00  -67.03  348.41  -76.84  244.82
   20.00  -65.59    3.41  -78.17  276.33
   21.00  -64.49   18.41  -77.37  312.47
   22.00  -63.14   33.41  -73.40  341.87
   23.00  -61.97   48.41  -68.07    1.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.36   63.41  -74.99   42.88
    1.00  -73.27   78.41  -71.76   56.48
    2.00  -74.20   93.41  -68.98   67.96
    3.00  -75.07  108.41  -66.72   77.96
    4.00  -77.34  123.41  -66.33   89.37
    5.00  -78.36  138.41  -65.50   97.65
    6.00  -78.05  153.41  -63.89  104.02
    7.00  -77.46  168.41  -62.42  110.65
    8.00  -78.20  183.41  -62.70  118.12
    9.00  -78.03  198.41  -62.51  125.19
   10.00  -77.96  213.41  -62.85  132.33
   11.00  -77.72  228.41  -63.46  139.61
   12.00  -77.38  243.41  -64.43  147.11
   13.00  -77.25  258.41  -66.01  154.47
   14.00  -77.25  273.41  -68.08  161.53
   15.00  -76.81  288.41  -70.20  169.41
   16.00  -76.65  303.41  -72.90  176.64
   17.00  -75.33  318.41  -75.35  188.17
   18.00  -75.11  333.41  -78.77  197.17
   19.00  -75.70  348.41  -82.71  201.78
   20.00  -75.18    3.41  -86.47  218.95
   21.00  -73.51   18.41  -87.41  321.75
   22.00  -73.06   33.41  -83.88   13.19
   23.00  -72.20   48.41  -79.06   28.62
</PRE>


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