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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
29 Apr 1997 22:23:17 yearsecs  10275797
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.92   92.28  -58.16   46.62
    1.00  -63.49  107.28  -55.61   59.93
    2.00  -64.07  122.28  -53.49   72.18
    3.00  -64.64  137.28  -51.98   83.49
    4.00  -64.24  152.28  -50.10   93.77
    5.00  -65.47  167.28  -50.37  104.68
    6.00  -65.92  182.28  -50.30  114.96
    7.00  -65.82  197.28  -50.24  124.97
    8.00  -65.47  212.28  -50.55  135.01
    9.00  -65.77  227.28  -52.08  145.04
   10.00  -66.76  242.28  -54.66  154.74
   11.00  -66.25  257.28  -56.26  165.42
   12.00  -66.09  272.28  -58.55  176.20
   13.00  -66.19  287.28  -61.47  187.02
   14.00  -66.54  302.28  -65.06  197.89
   15.00  -67.13  317.28  -69.21  209.19
   16.00  -67.95  332.28  -73.70  221.77
   17.00  -69.01  347.28  -78.29  237.33
   18.00  -68.98    2.28  -81.42  265.91
   19.00  -68.27   17.28  -81.71  309.76
   20.00  -66.90   32.28  -78.05  345.12
   21.00  -65.77   47.28  -72.99    6.71
   22.00  -64.47   62.28  -67.38   21.38
   23.00  -63.35   77.28  -62.17   33.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.69   92.28  -67.97   63.78
    1.00  -73.72  107.28  -65.74   74.78
    2.00  -74.66  122.28  -64.05   84.51
    3.00  -75.60  137.28  -62.99   93.54
    4.00  -78.01  152.28  -63.93  103.46
    5.00  -78.98  167.28  -64.00  111.08
    6.00  -78.53  182.28  -63.06  117.68
    7.00  -77.94  197.28  -62.40  124.66
    8.00  -78.66  212.28  -63.50  131.52
    9.00  -78.57  227.28  -64.20  138.44
   10.00  -78.61  242.28  -65.43  145.22
   11.00  -78.44  257.28  -66.87  152.15
   12.00  -78.09  272.28  -68.55  159.37
   13.00  -77.94  287.28  -70.76  166.14
   14.00  -78.01  302.28  -73.44  171.92
   15.00  -77.59  317.28  -76.18  178.94
   16.00  -77.42  332.28  -79.33  184.52
   17.00  -76.01  347.28  -82.51  198.76
   18.00  -75.77    2.28  -86.30  208.04
   19.00  -76.39   17.28  -89.28   99.62
   20.00  -75.84   32.28  -85.58   42.80
   21.00  -74.05   47.28  -80.66   37.60
   22.00  -73.44   62.28  -76.11   46.17
   23.00  -72.67   77.28  -71.57   53.97
</PRE>


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