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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>
07 May 1997 22:27:13 yearsecs  10967233
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.20   90.65  -58.84   45.60
    1.00  -64.49  105.65  -57.00   59.83
    2.00  -65.37  120.65  -55.11   72.23
    3.00  -67.07  135.65  -54.68   84.23
    4.00  -66.98  150.65  -53.03   94.17
    5.00  -68.04  165.65  -53.06  104.56
    6.00  -68.51  180.65  -52.94  114.37
    7.00  -69.61  195.65  -53.96  123.92
    8.00  -71.66  210.65  -56.47  132.76
    9.00  -71.68  225.65  -57.47  141.62
   10.00  -70.43  240.65  -57.81  151.43
   11.00  -69.49  255.65  -58.90  161.67
   12.00  -68.96  270.65  -60.77  172.08
   13.00  -68.78  285.65  -63.38  182.47
   14.00  -68.94  300.65  -66.71  192.77
   15.00  -69.41  315.65  -70.67  203.15
   16.00  -69.91  330.65  -74.83  214.89
   17.00  -69.88  345.65  -78.61  231.95
   18.00  -69.91    0.65  -82.01  258.66
   19.00  -69.09   15.65  -82.66  304.64
   20.00  -68.08   30.65  -79.71  344.25
   21.00  -67.25   45.65  -75.11    7.82
   22.00  -66.69   60.65  -70.34   24.10
   23.00  -64.73   75.65  -64.18   34.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.20   90.65  -64.16   53.60
    1.00  -69.49  105.65  -62.10   66.70
    2.00  -70.37  120.65  -60.18   77.76
    3.00  -76.62  135.65  -64.15   94.01
    4.00  -78.77  150.65  -64.80  103.52
    5.00  -79.21  165.65  -64.32  110.52
    6.00  -78.42  180.65  -62.98  116.89
    7.00  -77.23  195.65  -61.66  123.89
    8.00  -77.27  210.65  -62.04  131.25
    9.00  -77.30  225.65  -62.87  138.56
   10.00  -77.07  240.65  -63.87  146.09
   11.00  -77.16  255.65  -65.59  153.27
   12.00  -77.47  270.65  -67.84  159.83
   13.00  -77.28  285.65  -70.04  167.04
   14.00  -77.08  300.65  -72.62  174.15
   15.00  -76.88  315.65  -75.53  181.12
   16.00  -76.68  330.65  -78.74  187.96
   17.00  -76.46  345.65  -82.21  194.59
   18.00  -77.70    0.65  -85.67  179.08
   19.00  -78.02   15.65  -87.59  127.02
   20.00  -77.13   30.65  -85.97   62.52
   21.00  -75.05   45.65  -81.63   42.99
   22.00  -71.78   60.65  -75.28   38.50
   23.00  -69.73   75.65  -69.40   44.98
</PRE>


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