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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>
05 Jun 1997 11:30:37 yearsecs  13433437
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.66  260.07  -52.55  170.72
    1.00  -62.24  275.07  -55.61  181.82
    2.00  -62.83  290.07  -59.05  193.04
    3.00  -63.41  305.07  -62.94  204.60
    4.00  -62.90  320.07  -66.18  218.85
    5.00  -64.14  335.07  -71.07  232.94
    6.00  -64.79  350.07  -75.10  252.48
    7.00  -65.07    5.07  -77.80  280.82
    8.00  -65.46   20.07  -78.35  316.52
    9.00  -64.82   35.07  -75.03  346.77
   10.00  -64.41   50.07  -70.64    7.68
   11.00  -64.23   65.07  -66.34   23.76
   12.00  -64.27   80.07  -62.55   37.93
   13.00  -64.54   95.07  -59.32   51.28
   14.00  -65.03  110.07  -56.68   63.94
   15.00  -65.74  125.07  -54.78   75.77
   16.00  -66.68  140.07  -53.76   86.90
   17.00  -67.85  155.07  -53.56   97.58
   18.00  -67.87  170.07  -52.66  107.38
   19.00  -67.19  185.07  -51.54  117.01
   20.00  -65.77  200.07  -50.26  126.82
   21.00  -64.66  215.07  -49.97  137.05
   22.00  -63.35  230.07  -50.09  147.85
   23.00  -62.16  245.07  -50.81  159.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.43  260.07  -60.37  163.64
    1.00  -71.51  275.07  -63.71  171.78
    2.00  -72.58  290.07  -67.39  179.23
    3.00  -73.69  305.07  -71.35  185.72
    4.00  -76.19  320.07  -76.16  185.71
    5.00  -77.51  335.07  -79.97  184.72
    6.00  -76.89  350.07  -83.33  191.99
    7.00  -76.16    5.07  -87.05  201.47
    8.00  -77.02   20.07  -88.32   88.80
    9.00  -76.81   35.07  -84.90   56.00
   10.00  -76.79   50.07  -81.04   57.57
   11.00  -76.56   65.07  -77.20   61.61
   12.00  -76.20   80.07  -73.44   66.79
   13.00  -76.07   95.07  -70.10   73.51
   14.00  -76.14  110.07  -67.34   80.91
   15.00  -75.69  125.07  -64.61   87.50
   16.00  -75.54  140.07  -62.63   94.90
   17.00  -74.04  155.07  -59.79  101.48
   18.00  -73.79  170.07  -58.63  109.66
   19.00  -74.44  185.07  -58.84  118.15
   20.00  -73.83  200.07  -58.27  126.38
   21.00  -71.89  215.07  -56.93  135.30
   22.00  -71.28  230.07  -57.49  144.46
   23.00  -70.34  245.07  -58.25  154.25
</PRE>


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