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    <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>
20 Sep 1997 15:07:52 yearsecs  22691272
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.13  205.64  -48.88  130.69
    1.00  -63.89  220.64  -49.68  141.07
    2.00  -64.77  235.64  -52.04  151.19
    3.00  -65.65  250.64  -54.76  161.19
    4.00  -65.43  265.64  -56.84  172.02
    5.00  -66.51  280.64  -60.45  181.79
    6.00  -66.72  295.64  -63.70  192.55
    7.00  -66.58  310.64  -67.09  204.55
    8.00  -67.26  325.64  -71.44  216.63
    9.00  -66.81  340.64  -74.81  234.37
   10.00  -66.39  355.64  -77.75  258.79
   11.00  -66.20   10.64  -79.41  292.71
   12.00  -66.23   25.64  -78.54  330.06
   13.00  -66.49   40.64  -75.59  358.82
   14.00  -66.97   55.64  -72.04   19.40
   15.00  -67.68   70.64  -68.69   35.93
   16.00  -68.61   85.64  -65.78   50.48
   17.00  -69.64  100.64  -63.30   63.46
   18.00  -69.51  115.64  -60.19   73.44
   19.00  -68.91  130.64  -57.21   82.56
   20.00  -67.77  145.64  -54.29   91.37
   21.00  -66.73  160.64  -52.03  100.70
   22.00  -65.69  175.64  -50.24  110.44
   23.00  -64.73  190.64  -49.06  120.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.56  205.64  -55.17  129.97
    1.00  -71.66  220.64  -57.07  138.66
    2.00  -72.66  235.64  -59.32  146.95
    3.00  -75.62  250.64  -63.65  152.68
    4.00  -78.11  265.64  -67.65  156.40
    5.00  -78.72  280.64  -70.23  161.50
    6.00  -78.02  295.64  -72.25  169.30
    7.00  -77.38  310.64  -74.74  177.28
    8.00  -78.03  325.64  -78.07  179.51
    9.00  -77.80  340.64  -81.24  183.82
   10.00  -77.94  355.64  -84.52  180.13
   11.00  -77.72   10.64  -87.52  155.25
   12.00  -77.65   25.64  -86.86   78.87
   13.00  -77.43   40.64  -83.48   61.97
   14.00  -77.51   55.64  -79.83   63.74
   15.00  -77.16   70.64  -76.15   66.52
   16.00  -77.25   85.64  -72.87   72.74
   17.00  -76.40  100.64  -69.26   76.99
   18.00  -76.50  115.64  -66.74   84.28
   19.00  -76.57  130.64  -64.69   91.54
   20.00  -75.71  145.64  -62.24   97.92
   21.00  -73.70  160.64  -59.06  104.34
   22.00  -72.21  175.64  -56.81  112.25
   23.00  -70.97  190.64  -55.30  120.92
</PRE>


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