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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>
30 Mar 1997 21:43:30 yearsecs   7681410
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.19  105.78  -56.65   59.56
    1.00  -63.91  120.78  -53.57   70.91
    2.00  -64.81  135.78  -52.33   82.56
    3.00  -65.70  150.78  -51.71   93.52
    4.00  -65.48  165.78  -50.47  103.67
    5.00  -66.56  180.78  -50.97  114.08
    6.00  -66.76  195.78  -51.13  123.98
    7.00  -66.61  210.78  -51.57  133.82
    8.00  -67.29  225.78  -53.36  143.49
    9.00  -66.85  240.78  -54.56  153.68
   10.00  -66.44  255.78  -56.22  164.22
   11.00  -66.24  270.78  -58.43  174.98
   12.00  -66.28  285.78  -61.24  185.81
   13.00  -66.54  300.78  -64.70  196.74
   14.00  -67.02  315.78  -68.74  208.11
   15.00  -67.73  330.78  -73.13  220.74
   16.00  -68.66  345.78  -77.64  236.29
   17.00  -69.68    0.78  -81.83  259.86
   18.00  -69.54   15.78  -83.16  304.93
   19.00  -68.95   30.78  -80.63  346.79
   20.00  -67.81   45.78  -75.67    9.42
   21.00  -66.77   60.78  -70.40   24.43
   22.00  -65.74   75.78  -65.27   36.64
   23.00  -64.79   90.78  -60.58   48.07
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.07  105.78  -62.63   67.68
    1.00  -71.19  120.78  -60.96   78.87
    2.00  -72.21  135.78  -59.84   88.98
    3.00  -75.31  150.78  -61.40  100.20
    4.00  -77.85  165.78  -62.93  109.63
    5.00  -78.45  180.78  -63.01  116.96
    6.00  -77.73  195.78  -62.16  123.95
    7.00  -77.06  210.78  -61.83  131.38
    8.00  -77.71  225.78  -63.27  138.36
    9.00  -77.34  240.78  -64.13  145.89
   10.00  -77.34  255.78  -65.76  153.09
   11.00  -77.19  270.78  -67.64  160.42
   12.00  -77.15  285.78  -69.97  167.41
   13.00  -76.94  300.78  -72.56  174.61
   14.00  -77.04  315.78  -75.63  180.56
   15.00  -76.70  330.78  -78.78  187.90
   16.00  -76.81  345.78  -82.30  191.88
   17.00  -75.98    0.78  -85.94  204.11
   18.00  -76.12   15.78  -89.63  138.13
   19.00  -76.18   30.78  -86.02   47.50
   20.00  -75.29   45.78  -81.70   44.88
   21.00  -73.25   60.78  -76.38   44.27
   22.00  -71.77   75.78  -71.21   50.39
   23.00  -70.52   90.78  -66.37   58.15
</PRE>


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