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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 Apr 1997 03:09:17 yearsecs   9688157
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.97   23.29  -72.72  322.16
    1.00  -62.04   38.29  -70.87  348.41
    2.00  -63.04   53.29  -68.09    9.22
    3.00  -66.65   68.29  -68.23   31.55
    4.00  -66.45   83.29  -64.15   44.49
    5.00  -67.34   98.29  -61.54   58.04
    6.00  -67.41  113.29  -58.51   69.19
    7.00  -67.45  128.29  -56.05   79.61
    8.00  -67.96  143.29  -54.73   89.97
    9.00  -67.71  158.29  -53.18   99.61
   10.00  -67.32  173.29  -51.97  109.31
   11.00  -67.13  188.29  -51.45  119.10
   12.00  -67.17  203.29  -51.75  128.86
   13.00  -67.43  218.29  -52.86  138.54
   14.00  -67.92  233.29  -54.69  148.14
   15.00  -68.63  248.29  -57.12  157.55
   16.00  -69.54  263.29  -60.09  166.59
   17.00  -70.42  278.29  -63.37  175.30
   18.00  -70.21  293.29  -66.14  185.49
   19.00  -69.68  308.29  -69.09  196.97
   20.00  -68.68  323.29  -72.00  211.27
   21.00  -66.59  338.29  -74.05  231.91
   22.00  -64.01  353.29  -74.98  259.25
   23.00  -61.98    8.29  -74.72  291.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.97   23.29  -78.58  324.41
    1.00  -67.04   38.29  -76.80  356.26
    2.00  -68.04   53.29  -73.83   19.37
    3.00  -73.34   68.29  -74.42   50.01
    4.00  -76.00   83.29  -72.58   67.63
    5.00  -76.04   98.29  -69.44   75.00
    6.00  -75.81  113.29  -66.52   81.84
    7.00  -75.29  128.29  -63.79   88.55
    8.00  -76.00  143.29  -62.74   97.03
    9.00  -75.84  158.29  -61.36  104.52
   10.00  -76.25  173.29  -60.99  112.46
   11.00  -76.02  188.29  -60.42  120.10
   12.00  -76.26  203.29  -60.79  127.81
   13.00  -76.03  218.29  -61.17  135.57
   14.00  -76.07  233.29  -62.28  143.26
   15.00  -75.79  248.29  -63.52  151.27
   16.00  -76.10  263.29  -65.69  158.57
   17.00  -75.73  278.29  -67.68  166.80
   18.00  -76.05  293.29  -70.57  173.54
   19.00  -75.47  308.29  -73.20  182.54
   20.00  -74.10  323.29  -75.80  195.39
   21.00  -71.59  338.29  -77.99  216.77
   22.00  -69.01  353.29  -79.69  247.01
   23.00  -66.98    8.29  -80.11  285.72
</PRE>


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