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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>
28 May 1997 16:32:11 yearsecs  12760331
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.94  186.38  -48.27  117.46
    1.00  -63.80  201.38  -48.37  127.79
    2.00  -64.61  216.38  -50.02  137.95
    3.00  -65.42  231.38  -52.17  147.96
    4.00  -65.18  246.38  -53.75  158.49
    5.00  -66.29  261.38  -56.92  168.26
    6.00  -66.51  276.38  -59.65  178.71
    7.00  -66.37  291.38  -62.47  189.84
    8.00  -66.90  306.38  -66.33  200.55
    9.00  -66.51  321.38  -69.72  214.07
   10.00  -66.10  336.38  -73.15  230.68
   11.00  -65.94  351.38  -76.47  252.23
   12.00  -66.01    6.38  -78.92  282.47
   13.00  -66.30   21.38  -79.18  320.04
   14.00  -66.82   36.38  -77.02  352.52
   15.00  -67.56   51.38  -73.86   15.90
   16.00  -68.54   66.38  -70.72   34.04
   17.00  -69.65   81.38  -67.85   49.33
   18.00  -69.51   96.38  -64.12   60.22
   19.00  -68.92  111.38  -60.39   69.79
   20.00  -67.71  126.38  -56.60   78.57
   21.00  -66.64  141.38  -53.57   87.74
   22.00  -65.55  156.38  -51.13   97.26
   23.00  -64.54  171.38  -49.24  107.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.34  186.38  -58.72  118.84
    1.00  -75.25  201.38  -59.73  126.95
    2.00  -76.08  216.38  -61.12  134.56
    3.00  -78.24  231.38  -64.18  140.59
    4.00  -80.31  246.38  -67.32  144.78
    5.00  -80.87  261.38  -69.29  149.49
    6.00  -80.34  276.38  -70.72  155.97
    7.00  -79.82  291.38  -72.56  162.42
    8.00  -80.37  306.38  -75.21  164.65
    9.00  -79.99  321.38  -77.67  168.99
   10.00  -79.87  336.38  -80.38  170.01
   11.00  -80.08  351.38  -82.94  163.23
   12.00  -80.06    6.38  -84.95  145.30
   13.00  -79.94   21.38  -85.36  111.84
   14.00  -80.05   36.38  -83.49   88.86
   15.00  -79.82   51.38  -80.86   79.03
   16.00  -79.83   66.38  -77.91   78.44
   17.00  -79.11   81.38  -74.73   77.98
   18.00  -79.05   96.38  -71.92   82.45
   19.00  -79.13  111.38  -69.54   88.02
   20.00  -78.41  126.38  -66.89   92.53
   21.00  -76.73  141.38  -63.64   96.92
   22.00  -75.59  156.38  -61.24  103.34
   23.00  -74.63  171.38  -59.42  110.74
</PRE>


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