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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 Jun 1997 19:09:31 yearsecs  13806571
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.67  139.48  -49.68   83.73
    1.00  -63.20  154.48  -48.86   94.81
    2.00  -63.74  169.48  -48.52  105.64
    3.00  -64.27  184.48  -48.62  116.20
    4.00  -63.98  199.48  -48.48  126.48
    5.00  -65.30  214.48  -50.54  136.53
    6.00  -65.66  229.48  -52.19  146.57
    7.00  -65.54  244.48  -53.84  156.95
    8.00  -66.25  259.48  -56.60  166.96
    9.00  -65.61  274.48  -58.52  178.27
   10.00  -65.26  289.48  -61.11  189.80
   11.00  -65.01  304.48  -64.23  201.92
   12.00  -65.04  319.48  -67.96  214.93
   13.00  -65.30  334.48  -71.97  230.08
   14.00  -65.78  349.48  -75.92  249.48
   15.00  -66.49    4.48  -79.22  277.22
   16.00  -67.42   19.48  -80.62  315.75
   17.00  -68.58   34.48  -79.40  353.35
   18.00  -68.61   49.48  -75.49   16.43
   19.00  -67.91   64.48  -70.60   30.73
   20.00  -66.58   79.48  -65.24   41.47
   21.00  -65.48   94.48  -60.47   52.19
   22.00  -64.30  109.48  -56.03   62.63
   23.00  -63.11  124.48  -52.13   72.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.06  139.48  -61.24   92.97
    1.00  -75.17  154.48  -60.96  102.02
    2.00  -76.11  169.48  -61.01  110.44
    3.00  -77.10  184.48  -61.56  118.37
    4.00  -79.48  199.48  -64.00  125.55
    5.00  -80.41  214.48  -65.34  131.68
    6.00  -79.97  229.48  -65.69  138.26
    7.00  -79.52  244.48  -66.46  145.07
    8.00  -80.43  259.48  -68.74  149.65
    9.00  -80.29  274.48  -70.43  155.43
   10.00  -80.47  289.48  -72.63  159.85
   11.00  -80.47  304.48  -74.93  163.84
   12.00  -80.06  319.48  -77.35  168.41
   13.00  -79.79  334.48  -80.04  170.67
   14.00  -79.80  349.48  -82.74  166.62
   15.00  -79.35    4.48  -85.35  154.21
   16.00  -79.11   19.48  -86.33  113.45
   17.00  -77.68   34.48  -84.92   67.06
   18.00  -77.39   49.48  -81.31   61.78
   19.00  -77.93   64.48  -77.87   68.23
   20.00  -77.35   79.48  -74.25   70.65
   21.00  -75.56   94.48  -69.84   71.91
   22.00  -74.83  109.48  -66.31   78.05
   23.00  -74.08  124.48  -63.18   84.86
</PRE>


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