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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>
17 Aug 1997 20:17:40 yearsecs  19772260
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.00  124.97  -47.68   70.02
    1.00  -59.55  139.97  -46.36   82.19
    2.00  -60.10  154.97  -45.63   93.78
    3.00  -60.64  169.97  -45.35  105.09
    4.00  -59.63  184.97  -43.96  115.93
    5.00  -60.49  199.97  -45.06  126.91
    6.00  -61.50  214.97  -46.93  137.60
    7.00  -61.82  229.97  -48.64  148.32
    8.00  -62.59  244.97  -51.19  158.91
    9.00  -62.31  259.97  -53.13  170.21
   10.00  -62.00  274.97  -55.37  181.95
   11.00  -61.90  289.97  -58.18  193.93
   12.00  -62.05  304.97  -61.66  206.24
   13.00  -62.42  319.97  -65.71  219.44
   14.00  -63.02  334.97  -70.01  234.71
   15.00  -63.86  349.97  -74.18  254.01
   16.00  -64.92    4.97  -77.64  280.79
   17.00  -66.23   19.97  -79.24  316.53
   18.00  -66.41   34.97  -76.90  349.24
   19.00  -65.99   49.97  -72.51   10.58
   20.00  -64.15   64.97  -66.28   23.52
   21.00  -62.83   79.97  -60.92   35.57
   22.00  -61.08   94.97  -55.47   46.56
   23.00  -59.78  109.97  -51.03   58.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.10  124.97  -64.07   86.58
    1.00  -75.72  139.97  -62.81   95.05
    2.00  -76.52  154.97  -62.27  103.38
    3.00  -77.17  169.97  -62.05  111.24
    4.00  -78.68  184.97  -63.17  118.96
    5.00  -79.67  199.97  -64.20  125.74
    6.00  -79.83  214.97  -64.78  132.19
    7.00  -79.53  229.97  -65.30  138.86
    8.00  -79.95  244.97  -66.89  144.70
    9.00  -79.87  259.97  -68.35  150.88
   10.00  -79.59  274.97  -70.02  157.25
   11.00  -79.22  289.97  -72.00  163.72
   12.00  -78.89  304.97  -74.37  169.85
   13.00  -78.72  319.97  -77.12  174.79
   14.00  -78.51  334.97  -80.10  178.56
   15.00  -78.05  349.97  -83.28  181.32
   16.00  -77.90    4.97  -86.45  169.72
   17.00  -77.04   19.97  -88.32   90.01
   18.00  -76.80   34.97  -84.93   55.91
   19.00  -76.92   49.97  -81.10   58.49
   20.00  -76.58   64.97  -77.23   61.65
   21.00  -75.51   79.97  -73.01   64.38
   22.00  -75.47   94.97  -69.66   71.92
   23.00  -74.68  109.97  -66.09   78.03
</PRE>


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