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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>
22 Mar 1997 13:13:11 yearsecs   6959591
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.16  236.07  -49.65  152.62
    1.00  -62.72  251.07  -52.15  163.32
    2.00  -63.28  266.07  -54.99  174.09
    3.00  -63.84  281.07  -58.16  184.96
    4.00  -63.42  296.07  -60.88  197.17
    5.00  -64.69  311.07  -65.54  207.92
    6.00  -65.18  326.07  -69.76  221.12
    7.00  -65.20  341.07  -73.48  238.45
    8.00  -65.70  356.07  -77.16  261.08
    9.00  -65.23   11.07  -78.37  294.65
   10.00  -64.82   26.07  -76.84  329.63
   11.00  -64.63   41.07  -73.32  356.00
   12.00  -64.67   56.07  -69.30   15.11
   13.00  -64.93   71.07  -65.58   30.81
   14.00  -65.41   86.07  -62.36   45.05
   15.00  -66.12  101.07  -59.67   58.38
   16.00  -67.05  116.07  -57.63   70.74
   17.00  -68.20  131.07  -56.43   82.17
   18.00  -68.23  146.07  -54.72   91.96
   19.00  -67.54  161.07  -52.83  101.35
   20.00  -66.16  176.07  -50.71  110.84
   21.00  -65.06  191.07  -49.39  120.77
   22.00  -63.81  206.07  -48.59  131.02
   23.00  -62.63  221.07  -48.52  141.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.76  236.07  -56.68  148.97
    1.00  -70.87  251.07  -59.49  157.58
    2.00  -71.87  266.07  -62.53  165.78
    3.00  -72.89  281.07  -65.92  173.33
    4.00  -75.67  296.07  -70.84  175.87
    5.00  -76.74  311.07  -74.51  179.69
    6.00  -76.09  326.07  -77.47  188.85
    7.00  -75.42  341.07  -80.78  199.75
    8.00  -76.41  356.07  -84.77  197.53
    9.00  -76.23   11.07  -88.58  192.63
   10.00  -76.33   26.07  -87.28   51.52
   11.00  -76.18   41.07  -83.26   49.98
   12.00  -75.85   56.07  -79.17   53.94
   13.00  -75.74   71.07  -75.30   60.75
   14.00  -75.91   86.07  -71.90   68.69
   15.00  -75.49  101.07  -68.45   75.06
   16.00  -75.36  116.07  -65.66   82.43
   17.00  -73.79  131.07  -61.99   88.07
   18.00  -73.59  146.07  -60.11   96.14
   19.00  -74.36  161.07  -59.70  104.99
   20.00  -73.70  176.07  -58.30  112.97
   21.00  -71.59  191.07  -55.92  121.22
   22.00  -70.82  206.07  -55.44  130.19
   23.00  -69.84  221.07  -55.36  139.57
</PRE>


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