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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>
05 Apr 1997 03:27:55 yearsecs   8134075
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.71   19.90  -72.86  315.53
    1.00  -61.35   34.90  -70.84  342.58
    2.00  -62.00   49.90  -67.70    3.73
    3.00  -62.64   64.90  -64.47   20.96
    4.00  -61.87   79.90  -59.78   34.08
    5.00  -62.98   94.90  -57.64   48.97
    6.00  -63.85  109.90  -55.47   62.45
    7.00  -64.31  124.90  -53.32   74.34
    8.00  -64.83  139.90  -51.87   85.46
    9.00  -64.19  154.90  -49.85   95.58
   10.00  -63.78  169.90  -48.54  105.95
   11.00  -63.59  184.90  -47.93  116.39
   12.00  -63.62  199.90  -48.14  126.78
   13.00  -63.88  214.90  -49.21  137.09
   14.00  -64.37  229.90  -51.03  147.35
   15.00  -65.07  244.90  -53.46  157.51
   16.00  -66.01  259.90  -56.44  167.45
   17.00  -65.04  274.90  -58.09  179.13
   18.00  -64.94  289.90  -60.91  190.51
   19.00  -65.64  304.90  -64.89  201.34
   20.00  -64.83  319.90  -67.89  215.67
   21.00  -62.63  334.90  -69.62  235.24
   22.00  -62.05  349.90  -72.38  256.76
   23.00  -60.56    4.90  -72.98  285.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.73   19.90  -78.67  316.19
    1.00  -66.54   34.90  -77.05  349.35
    2.00  -67.53   49.90  -74.23   14.02
    3.00  -68.37   64.90  -70.95   32.24
    4.00  -71.05   79.90  -69.52   51.50
    5.00  -72.33   94.90  -67.06   64.65
    6.00  -71.85  109.90  -63.52   73.13
    7.00  -71.25  124.90  -60.37   81.46
    8.00  -72.12  139.90  -59.28   91.29
    9.00  -72.26  154.90  -58.02  100.14
   10.00  -72.29  169.90  -57.12  108.92
   11.00  -72.10  184.90  -56.47  117.65
   12.00  -71.86  199.90  -56.28  126.42
   13.00  -71.90  214.90  -56.93  135.20
   14.00  -71.97  229.90  -58.12  143.99
   15.00  -71.51  244.90  -59.29  153.27
   16.00  -71.48  259.90  -61.26  162.45
   17.00  -70.04  274.90  -62.44  173.60
   18.00  -69.94  289.90  -65.21  183.65
   19.00  -70.64  304.90  -69.05  192.59
   20.00  -69.83  319.90  -72.05  205.62
   21.00  -67.63  334.90  -74.10  225.42
   22.00  -67.05  349.90  -77.18  247.14
   23.00  -65.56    4.90  -78.31  279.72
</PRE>


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