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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>
27 Jul 1997 02:29:10 yearsecs  17893750
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.54   34.84  -68.54  341.06
    1.00  -60.81   49.84  -66.18    2.11
    2.00  -61.85   64.84  -63.49   19.69
    3.00  -67.10   79.84  -65.70   42.78
    4.00  -66.80   94.84  -61.76   54.52
    5.00  -67.57  109.84  -59.34   66.93
    6.00  -67.58  124.84  -56.70   77.40
    7.00  -67.48  139.84  -54.60   87.34
    8.00  -68.05  154.84  -53.77   97.54
    9.00  -68.25  169.84  -53.06  107.36
   10.00  -67.96  184.84  -52.31  116.97
   11.00  -67.78  199.84  -52.23  126.59
   12.00  -67.83  214.84  -52.99  136.21
   13.00  -68.10  229.84  -54.50  145.81
   14.00  -68.59  244.84  -56.65  155.32
   15.00  -69.31  259.84  -59.35  164.57
   16.00  -70.13  274.84  -62.51  173.45
   17.00  -69.76  289.84  -65.05  183.89
   18.00  -70.49  304.84  -68.92  192.85
   19.00  -70.10  319.84  -72.24  204.93
   20.00  -68.91  334.84  -75.13  222.01
   21.00  -66.33  349.84  -76.51  248.82
   22.00  -63.17    4.84  -75.77  282.66
   23.00  -60.91   19.84  -73.10  315.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.54   34.84  -74.75  345.98
    1.00  -65.81   49.84  -72.34   10.04
    2.00  -66.85   64.84  -69.37   28.65
    3.00  -73.14   79.84  -71.31   57.04
    4.00  -75.43   94.84  -69.66   71.75
    5.00  -76.48  109.84  -67.67   81.49
    6.00  -75.73  124.84  -64.67   87.44
    7.00  -74.84  139.84  -61.97   94.00
    8.00  -75.32  154.84  -61.09  102.33
    9.00  -75.22  169.84  -60.09  110.19
   10.00  -75.37  184.84  -59.79  118.19
   11.00  -75.26  199.84  -59.71  126.13
   12.00  -75.55  214.84  -60.51  133.97
   13.00  -75.32  229.84  -61.28  141.99
   14.00  -75.27  244.84  -62.67  149.99
   15.00  -75.01  259.84  -64.29  158.29
   16.00  -75.13  274.84  -66.64  166.09
   17.00  -74.76  289.84  -69.00  174.74
   18.00  -75.49  304.84  -72.49  180.73
   19.00  -75.22  319.84  -75.62  189.29
   20.00  -73.91  334.84  -78.53  203.83
   21.00  -71.33  349.84  -80.74  231.80
   22.00  -68.17    4.84  -80.99  274.57
   23.00  -65.91   19.84  -78.88  316.10
</PRE>


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