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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>
24 Feb 1997 15:04:51 yearsecs   4719891
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.87  208.02  -48.75  132.35
    1.00  -63.77  223.02  -49.78  142.75
    2.00  -64.59  238.02  -52.15  152.93
    3.00  -65.41  253.02  -54.88  163.02
    4.00  -65.17  268.02  -57.01  173.96
    5.00  -66.30  283.02  -60.72  183.75
    6.00  -66.53  298.02  -64.07  194.61
    7.00  -66.40  313.02  -67.52  206.85
    8.00  -67.08  328.02  -71.89  219.36
    9.00  -66.60  343.02  -75.20  238.02
   10.00  -66.18  358.02  -77.97  263.85
   11.00  -65.99   13.02  -79.24  298.90
   12.00  -66.02   28.02  -77.90  335.01
   13.00  -66.28   43.02  -74.73    1.91
   14.00  -66.76   58.02  -71.15   21.51
   15.00  -67.47   73.02  -67.85   37.60
   16.00  -68.40   88.02  -64.99   51.94
   17.00  -69.45  103.02  -62.61   64.81
   18.00  -69.35  118.02  -59.61   74.81
   19.00  -68.74  133.02  -56.71   83.93
   20.00  -67.56  148.02  -53.85   92.78
   21.00  -66.51  163.02  -51.66  102.19
   22.00  -65.45  178.02  -49.92  111.99
   23.00  -64.45  193.02  -48.80  122.06
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.95  208.02  -56.63  131.16
    1.00  -73.03  223.02  -58.56  139.48
    2.00  -74.01  238.02  -60.80  147.36
    3.00  -76.48  253.02  -64.68  152.88
    4.00  -78.87  268.02  -68.55  156.02
    5.00  -79.53  283.02  -71.12  160.37
    6.00  -78.93  298.02  -73.17  167.40
    7.00  -78.38  313.02  -75.65  174.33
    8.00  -79.08  328.02  -78.77  174.54
    9.00  -78.92  343.02  -81.74  175.68
   10.00  -78.95  358.02  -84.61  167.53
   11.00  -78.71   13.02  -86.77  136.26
   12.00  -78.55   28.02  -85.84   86.03
   13.00  -78.33   43.02  -82.85   69.72
   14.00  -78.38   58.02  -79.45   69.47
   15.00  -78.01   73.02  -75.99   71.04
   16.00  -78.02   88.02  -72.85   76.21
   17.00  -77.07  103.02  -69.34   79.69
   18.00  -77.08  118.02  -66.88   86.46
   19.00  -77.24  133.02  -65.03   93.62
   20.00  -76.45  148.02  -62.75   99.86
   21.00  -74.54  163.02  -59.76  106.16
   22.00  -73.30  178.02  -57.84  113.95
   23.00  -72.24  193.02  -56.58  122.40
</PRE>


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