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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>
31 Mar 1997 02:46:12 yearsecs   7699572
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.90   30.76  -74.88  337.99
    1.00  -63.78   45.76  -71.05    1.16
    2.00  -64.60   60.76  -67.94   20.05
    3.00  -65.43   75.76  -64.93   36.05
    4.00  -65.20   90.76  -61.02   48.68
    5.00  -66.32  105.76  -58.89   62.27
    6.00  -66.55  120.76  -56.31   73.52
    7.00  -66.41  135.76  -53.99   83.77
    8.00  -66.89  150.76  -52.93   94.19
    9.00  -66.62  165.76  -51.61  104.08
   10.00  -66.20  180.76  -50.61  113.99
   11.00  -66.01  195.76  -50.39  123.96
   12.00  -66.04  210.76  -51.01  133.90
   13.00  -66.30  225.76  -52.42  143.83
   14.00  -66.78  240.76  -54.50  153.70
   15.00  -67.49  255.76  -57.15  163.40
   16.00  -68.42  270.76  -60.33  172.74
   17.00  -69.47  285.76  -63.99  181.57
   18.00  -69.37  300.76  -67.09  192.11
   19.00  -68.76  315.76  -70.17  204.66
   20.00  -67.58  330.76  -73.01  221.06
   21.00  -66.53  345.76  -75.78  242.07
   22.00  -65.47    0.76  -77.69  270.85
   23.00  -64.47   15.76  -77.51  306.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.32   30.76  -82.06  351.36
    1.00  -71.53   45.76  -79.26   22.41
    2.00  -72.65   60.76  -75.94   41.86
    3.00  -75.45   75.76  -73.98   62.03
    4.00  -78.16   90.76  -72.40   77.69
    5.00  -79.14  105.76  -70.41   85.98
    6.00  -79.21  120.76  -68.30   91.78
    7.00  -78.00  135.76  -65.43   95.96
    8.00  -78.44  150.76  -64.47  103.21
    9.00  -78.00  165.76  -63.08  109.72
   10.00  -78.08  180.76  -62.63  116.83
   11.00  -77.78  195.76  -62.22  123.94
   12.00  -77.59  210.76  -62.36  131.20
   13.00  -77.33  225.76  -62.90  138.60
   14.00  -77.38  240.76  -64.17  145.83
   15.00  -76.99  255.76  -65.46  153.57
   16.00  -77.01  270.76  -67.49  160.74
   17.00  -76.00  285.76  -69.16  169.99
   18.00  -75.99  300.76  -71.97  177.33
   19.00  -76.13  315.76  -75.19  183.95
   20.00  -75.26  330.76  -78.20  194.98
   21.00  -73.18  345.76  -80.92  216.94
   22.00  -71.80    0.76  -83.69  249.34
   23.00  -70.64   15.76  -84.37  304.48
</PRE>


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