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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>
04 Dec 1997 18:25:16 yearsecs  29183116
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.77  155.06  -50.43   95.97
    1.00  -65.90  170.06  -50.67  106.72
    2.00  -66.73  185.06  -51.07  116.93
    3.00  -67.60  200.06  -52.06  126.74
    4.00  -67.20  215.06  -52.40  136.50
    5.00  -67.85  230.06  -54.29  146.06
    6.00  -67.73  245.06  -55.90  156.02
    7.00  -67.88  260.06  -58.13  166.00
    8.00  -68.78  275.06  -61.39  175.24
    9.00  -68.99  290.06  -64.45  185.22
   10.00  -68.75  305.06  -67.57  196.35
   11.00  -68.55  320.06  -71.08  208.72
   12.00  -68.58  335.06  -74.92  223.16
   13.00  -68.84  350.06  -78.80  242.15
   14.00  -69.32    5.06  -82.19  271.95
   15.00  -70.03   20.06  -83.49  319.67
   16.00  -70.76   35.06  -81.48    2.39
   17.00  -71.09   50.06  -77.68   25.58
   18.00  -71.16   65.06  -73.54   40.17
   19.00  -70.55   80.06  -69.03   50.40
   20.00  -69.69   95.06  -64.59   59.60
   21.00  -68.86  110.06  -60.59   68.81
   22.00  -67.77  125.06  -56.86   77.74
   23.00  -66.04  140.06  -53.10   86.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.77  155.06  -55.50   98.67
    1.00  -70.90  170.06  -55.72  108.46
    2.00  -71.73  185.06  -56.10  117.68
    3.00  -77.20  200.06  -61.67  126.06
    4.00  -79.26  215.06  -64.21  132.51
    5.00  -79.63  230.06  -65.40  138.81
    6.00  -78.86  245.06  -65.92  146.15
    7.00  -77.84  260.06  -66.70  154.35
    8.00  -77.94  275.06  -68.84  160.89
    9.00  -77.80  290.06  -71.14  167.66
   10.00  -77.58  305.06  -73.74  174.39
   11.00  -77.45  320.06  -76.71  180.48
   12.00  -77.76  335.06  -80.01  183.16
   13.00  -77.61  350.06  -83.34  185.36
   14.00  -77.51    5.06  -86.67  175.57
   15.00  -77.34   20.06  -88.05   95.35
   16.00  -77.30   35.06  -84.86   62.06
   17.00  -77.11   50.06  -81.12   59.88
   18.00  -78.13   65.06  -77.80   69.38
   19.00  -78.28   80.06  -74.61   74.38
   20.00  -77.42   95.06  -71.08   77.16
   21.00  -75.49  110.06  -66.79   79.62
   22.00  -72.77  125.06  -61.83   83.43
   23.00  -71.04  140.06  -58.18   90.40
</PRE>


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