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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>
26 Apr 1997 14:32:52 yearsecs   9988372
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.76  218.66  -50.34  139.48
    1.00  -64.18  233.66  -51.27  150.06
    2.00  -65.21  248.66  -54.10  160.08
    3.00  -66.24  263.66  -57.24  169.91
    4.00  -66.05  278.66  -59.67  180.86
    5.00  -67.04  293.66  -63.55  190.63
    6.00  -67.18  308.66  -67.12  201.91
    7.00  -67.03  323.66  -70.74  215.20
    8.00  -67.43  338.66  -74.87  230.35
    9.00  -67.32  353.66  -78.24  252.83
   10.00  -66.91    8.66  -80.06  286.79
   11.00  -66.72   23.66  -79.38  325.94
   12.00  -66.75   38.66  -76.38  356.23
   13.00  -67.01   53.66  -72.62   17.23
   14.00  -67.49   68.66  -69.02   33.69
   15.00  -68.19   83.66  -65.86   48.08
   16.00  -69.13   98.66  -63.23   61.20
   17.00  -70.10  113.66  -61.13   72.93
   18.00  -69.89  128.66  -58.47   82.28
   19.00  -69.35  143.66  -56.09   91.23
   20.00  -68.28  158.66  -53.73  100.14
   21.00  -67.26  173.66  -51.90  109.54
   22.00  -66.29  188.66  -50.61  119.26
   23.00  -65.43  203.66  -50.05  129.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.08  218.66  -57.34  137.34
    1.00  -73.10  233.66  -59.53  145.53
    2.00  -74.07  248.66  -62.03  153.24
    3.00  -77.56  263.66  -66.94  156.46
    4.00  -79.73  278.66  -70.62  158.29
    5.00  -80.15  293.66  -73.09  162.09
    6.00  -79.58  308.66  -75.31  168.33
    7.00  -79.09  323.66  -77.93  173.81
    8.00  -79.41  338.66  -80.84  172.76
    9.00  -79.31  353.66  -83.67  167.98
   10.00  -79.51    8.66  -85.67  144.16
   11.00  -79.22   23.66  -85.89  102.32
   12.00  -79.21   38.66  -83.52   79.79
   13.00  -78.94   53.66  -80.46   72.85
   14.00  -78.92   68.66  -77.24   74.15
   15.00  -78.59   83.66  -74.03   76.69
   16.00  -78.72   98.66  -71.31   82.27
   17.00  -78.22  113.66  -68.49   86.85
   18.00  -78.41  128.66  -66.62   93.51
   19.00  -78.15  143.66  -64.79   99.69
   20.00  -77.21  158.66  -62.71  105.76
   21.00  -75.37  173.66  -60.08  112.28
   22.00  -73.77  188.66  -58.13  120.03
   23.00  -72.52  203.66  -57.04  128.54
</PRE>


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