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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>
01 Mar 1997 14:06:14 yearsecs   5148374
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.28  222.52  -49.27  142.54
    1.00  -63.59  237.52  -51.17  153.04
    2.00  -64.32  252.52  -53.83  163.38
    3.00  -65.05  267.52  -56.81  173.71
    4.00  -64.80  282.52  -59.29  185.07
    5.00  -65.99  297.52  -63.48  195.01
    6.00  -66.26  312.52  -67.28  206.65
    7.00  -66.13  327.52  -70.96  220.81
    8.00  -66.54  342.52  -75.03  237.48
    9.00  -66.29  357.52  -77.99  262.62
   10.00  -65.87   12.52  -79.11  297.72
   11.00  -65.68   27.52  -77.60  333.53
   12.00  -65.71   42.52  -74.21    0.05
   13.00  -65.97   57.52  -70.41   19.26
   14.00  -66.45   72.52  -66.90   35.05
   15.00  -67.16   87.52  -63.86   49.26
   16.00  -68.09  102.52  -61.37   62.35
   17.00  -68.99  117.52  -59.34   74.04
   18.00  -69.00  132.52  -57.04   83.85
   19.00  -68.48  147.52  -54.83   93.06
   20.00  -67.25  162.52  -52.44  102.18
   21.00  -66.18  177.52  -50.68  111.82
   22.00  -64.95  192.52  -49.29  121.75
   23.00  -63.69  207.52  -48.55  132.03
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.28  222.52  -54.00  141.02
    1.00  -69.49  237.52  -56.59  150.04
    2.00  -70.54  252.52  -59.39  158.76
    3.00  -72.86  267.52  -63.60  165.41
    4.00  -75.79  282.52  -68.44  168.81
    5.00  -76.63  297.52  -71.74  174.04
    6.00  -75.74  312.52  -74.27  183.77
    7.00  -74.85  327.52  -77.22  194.99
    8.00  -75.59  342.52  -81.20  199.51
    9.00  -75.53  357.52  -85.01  208.58
   10.00  -75.83   12.52  -89.03  210.35
   11.00  -75.70   27.52  -86.86   37.94
   12.00  -75.54   42.52  -82.69   44.88
   13.00  -75.40   57.52  -78.57   52.20
   14.00  -75.61   72.52  -74.86   60.94
   15.00  -75.24   87.52  -71.10   67.48
   16.00  -75.28  102.52  -68.00   75.33
   17.00  -73.99  117.52  -64.17   80.93
   18.00  -74.00  132.52  -62.00   89.12
   19.00  -74.49  147.52  -60.86   97.74
   20.00  -73.69  162.52  -58.94  105.38
   21.00  -71.34  177.52  -55.87  113.11
   22.00  -69.95  192.52  -54.27  122.00
   23.00  -68.69  207.52  -53.41  131.39
</PRE>


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