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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>
09 Apr 1997 19:42:44 yearsecs   8538164
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.63  134.16  -53.38   82.05
    1.00  -65.15  149.16  -51.29   92.09
    2.00  -66.12  164.16  -51.20  102.81
    3.00  -67.09  179.16  -51.55  113.11
    4.00  -66.81  194.16  -51.15  122.92
    5.00  -67.59  209.16  -52.42  132.60
    6.00  -67.58  224.16  -53.48  142.32
    7.00  -67.58  239.16  -55.03  152.19
    8.00  -68.36  254.16  -57.68  161.64
    9.00  -68.29  269.16  -59.95  171.79
   10.00  -68.00  284.16  -62.42  182.49
   11.00  -67.77  299.16  -65.39  193.61
   12.00  -67.80  314.16  -69.00  205.25
   13.00  -68.06  329.16  -73.00  218.28
   14.00  -68.55  344.16  -77.15  234.37
   15.00  -69.25  359.16  -81.12  257.76
   16.00  -70.09   14.16  -83.76  298.95
   17.00  -70.73   29.16  -82.82  349.16
   18.00  -70.63   44.16  -78.93   16.46
   19.00  -70.07   59.16  -74.20   31.43
   20.00  -69.13   74.16  -69.22   42.31
   21.00  -68.21   89.16  -64.53   52.47
   22.00  -67.39  104.16  -60.31   62.53
   23.00  -66.54  119.16  -56.57   72.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.41  134.16  -59.25   87.21
    1.00  -72.45  149.16  -58.69   96.95
    2.00  -73.35  164.16  -58.49  106.12
    3.00  -77.88  179.16  -62.47  116.01
    4.00  -79.92  194.16  -64.41  123.21
    5.00  -80.26  209.16  -65.01  129.53
    6.00  -79.62  224.16  -65.03  136.27
    7.00  -78.93  239.16  -65.45  143.47
    8.00  -79.21  254.16  -67.16  149.60
    9.00  -79.03  269.16  -68.82  156.18
   10.00  -79.08  284.16  -71.00  161.97
   11.00  -78.88  299.16  -73.34  167.97
   12.00  -78.91  314.16  -76.07  172.46
   13.00  -78.78  329.16  -78.95  176.33
   14.00  -78.70  344.16  -81.99  177.12
   15.00  -78.44  359.16  -85.07  171.66
   16.00  -78.51   14.16  -87.03  132.68
   17.00  -78.26   29.16  -85.82   80.37
   18.00  -78.84   44.16  -82.51   73.73
   19.00  -78.67   59.16  -79.24   71.33
   20.00  -77.74   74.16  -75.62   70.26
   21.00  -75.90   89.16  -71.21   70.17
   22.00  -73.73  104.16  -66.35   73.03
   23.00  -72.22  119.16  -62.22   79.26
</PRE>


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