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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>
25 Jun 1997 15:53:28 yearsecs  15177208
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.99  200.27  -46.55  127.09
    1.00  -62.57  215.27  -47.98  137.61
    2.00  -63.15  230.27  -49.93  148.06
    3.00  -63.73  245.27  -52.28  158.52
    4.00  -63.23  260.27  -54.00  169.80
    5.00  -64.43  275.27  -57.61  180.00
    6.00  -64.98  290.27  -61.02  190.74
    7.00  -65.02  305.27  -64.43  202.54
    8.00  -64.95  320.27  -68.08  215.82
    9.00  -65.64  335.27  -72.47  230.31
   10.00  -65.02  350.27  -75.37  252.34
   11.00  -64.76    5.27  -77.50  281.68
   12.00  -64.75   20.27  -77.52  316.79
   13.00  -64.98   35.27  -75.16  347.34
   14.00  -65.43   50.27  -71.78    9.81
   15.00  -66.11   65.27  -68.44   27.52
   16.00  -67.01   80.27  -65.50   42.97
   17.00  -68.15   95.27  -63.03   57.05
   18.00  -68.15  110.27  -59.84   68.00
   19.00  -67.47  125.27  -56.52   77.58
   20.00  -66.06  140.27  -53.10   86.58
   21.00  -64.93  155.27  -50.57   96.20
   22.00  -63.64  170.27  -48.38  106.17
   23.00  -62.47  185.27  -46.81  116.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.96  200.27  -56.39  126.63
    1.00  -72.95  215.27  -57.98  135.09
    2.00  -73.91  230.27  -59.98  143.11
    3.00  -74.84  245.27  -62.33  150.63
    4.00  -77.26  260.27  -66.25  155.34
    5.00  -78.29  275.27  -69.13  160.26
    6.00  -77.89  290.27  -71.23  167.50
    7.00  -77.31  305.27  -73.64  175.37
    8.00  -78.17  320.27  -77.01  177.39
    9.00  -78.04  335.27  -80.10  181.52
   10.00  -77.94  350.27  -83.36  182.24
   11.00  -77.70    5.27  -86.62  172.13
   12.00  -77.34   20.27  -88.02   94.16
   13.00  -77.19   35.27  -84.82   60.62
   14.00  -77.23   50.27  -81.09   60.80
   15.00  -76.79   65.27  -77.25   62.79
   16.00  -76.63   80.27  -73.66   68.37
   17.00  -75.23   95.27  -69.41   71.47
   18.00  -75.00  110.27  -66.33   78.79
   19.00  -75.63  125.27  -64.52   87.51
   20.00  -75.07  140.27  -62.15   94.48
   21.00  -73.28  155.27  -59.02  101.05
   22.00  -72.73  170.27  -57.56  109.32
   23.00  -71.88  185.27  -56.25  117.83
</PRE>


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