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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>
23 Jul 1997 03:15:36 yearsecs  17550936
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.99   23.67  -67.77  322.13
    1.00  -58.37   38.67  -65.99  345.63
    2.00  -59.21   53.67  -62.98    4.54
    3.00  -67.19   68.67  -68.71   33.05
    4.00  -67.28   83.67  -64.93   46.33
    5.00  -68.31   98.67  -62.42   59.86
    6.00  -68.74  113.67  -59.79   71.14
    7.00  -68.14  128.67  -56.70   80.52
    8.00  -68.49  143.67  -55.23   90.60
    9.00  -68.71  158.67  -54.17  100.37
   10.00  -68.57  173.67  -53.21  109.92
   11.00  -68.31  188.67  -52.63  119.46
   12.00  -68.11  203.67  -52.68  129.02
   13.00  -68.19  218.67  -53.61  138.58
   14.00  -68.54  233.67  -55.30  148.08
   15.00  -68.97  248.67  -57.48  157.55
   16.00  -68.84  263.67  -59.53  167.55
   17.00  -68.68  278.67  -61.95  177.82
   18.00  -69.92  293.67  -65.99  186.22
   19.00  -69.22  308.67  -68.82  198.16
   20.00  -68.43  323.67  -71.90  212.18
   21.00  -66.32  338.67  -73.91  232.99
   22.00  -62.04  353.67  -73.07  262.93
   23.00  -59.22    8.67  -71.69  293.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.99   23.67  -73.88  323.19
    1.00  -63.37   38.67  -72.41  350.56
    2.00  -64.21   53.67  -69.41   11.59
    3.00  -72.19   68.67  -73.43   46.38
    4.00  -74.84   83.67  -71.68   64.27
    5.00  -75.15   98.67  -68.65   73.06
    6.00  -74.42  113.67  -65.21   79.55
    7.00  -73.14  128.67  -61.68   85.94
    8.00  -73.49  143.67  -60.25   94.72
    9.00  -73.71  158.67  -59.20  103.25
   10.00  -73.57  173.67  -58.25  111.58
   11.00  -73.83  188.67  -58.19  120.04
   12.00  -74.36  203.67  -58.88  128.30
   13.00  -74.24  218.67  -59.43  136.54
   14.00  -74.11  233.67  -60.47  144.87
   15.00  -73.97  248.67  -61.95  153.33
   16.00  -73.84  263.67  -63.84  161.92
   17.00  -73.68  278.67  -66.13  170.63
   18.00  -75.05  293.67  -69.95  176.12
   19.00  -75.31  308.67  -73.19  183.22
   20.00  -74.06  323.67  -75.87  195.77
   21.00  -71.32  338.67  -77.90  218.20
   22.00  -67.04  353.67  -77.97  253.60
   23.00  -64.22    8.67  -77.18  289.94
</PRE>


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