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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>
17 Sep 1997 00:20:16 yearsecs  22378816
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.04   64.98  -68.45   27.09
    1.00  -65.81   79.98  -64.28   40.48
    2.00  -66.66   94.98  -61.58   54.39
    3.00  -67.50  109.98  -59.24   66.93
    4.00  -67.12  124.98  -56.21   77.03
    5.00  -67.79  139.98  -54.91   87.67
    6.00  -67.70  154.98  -53.41   97.43
    7.00  -67.81  169.98  -52.61  107.29
    8.00  -68.69  184.98  -53.04  117.16
    9.00  -68.80  199.98  -53.25  126.63
   10.00  -68.58  214.98  -53.72  136.12
   11.00  -68.39  229.98  -54.79  145.77
   12.00  -68.43  244.98  -56.51  155.51
   13.00  -68.68  259.98  -58.83  165.23
   14.00  -69.17  274.98  -61.71  174.73
   15.00  -69.88  289.98  -65.18  183.80
   16.00  -70.63  304.98  -69.06  192.66
   17.00  -71.02  319.98  -72.96  202.68
   18.00  -71.05  334.98  -76.77  215.47
   19.00  -70.46  349.98  -80.11  235.95
   20.00  -69.58    4.98  -82.43  270.89
   21.00  -68.73   19.98  -82.05  317.98
   22.00  -68.00   34.98  -78.66  352.73
   23.00  -67.11   49.98  -73.76   13.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.14   64.98  -74.39   43.36
    1.00  -73.20   79.98  -71.32   57.27
    2.00  -74.01   94.98  -68.49   68.40
    3.00  -78.75  109.98  -69.47   86.58
    4.00  -80.61  124.98  -68.94   96.22
    5.00  -80.98  139.98  -67.76  102.21
    6.00  -80.37  154.98  -66.06  107.10
    7.00  -79.58  169.98  -64.49  112.66
    8.00  -79.76  184.98  -64.28  119.23
    9.00  -79.68  199.98  -64.21  125.74
   10.00  -79.60  214.98  -64.55  132.30
   11.00  -79.53  229.98  -65.31  138.85
   12.00  -79.71  244.98  -66.67  145.03
   13.00  -79.50  259.98  -68.05  151.54
   14.00  -79.36  274.98  -69.86  157.78
   15.00  -79.14  289.98  -71.95  163.96
   16.00  -79.07  304.98  -74.45  169.19
   17.00  -78.84  319.98  -77.16  174.23
   18.00  -79.62  334.98  -80.14  171.71
   19.00  -79.65  349.98  -82.88  167.48
   20.00  -78.83    4.98  -85.82  158.20
   21.00  -77.09   19.98  -88.28   91.00
   22.00  -74.71   34.98  -84.46   31.03
   23.00  -73.15   49.98  -79.32   34.88
</PRE>


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