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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>
16 Jul 1997 11:36:52 yearsecs  16976212
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.15  260.32  -49.31  173.10
    1.00  -59.57  275.32  -53.21  184.18
    2.00  -60.48  290.32  -56.95  195.65
    3.00  -68.07  305.32  -67.07  197.74
    4.00  -67.76  320.32  -70.50  210.62
    5.00  -68.49  335.32  -74.91  223.70
    6.00  -68.61  350.32  -78.67  243.32
    7.00  -68.67    5.32  -81.56  274.53
    8.00  -69.43   20.32  -82.80  319.74
    9.00  -69.60   35.32  -80.27  358.21
   10.00  -69.30   50.32  -75.95   19.54
   11.00  -69.00   65.32  -71.47   34.23
   12.00  -68.94   80.32  -67.43   46.92
   13.00  -69.11   95.32  -63.97   58.75
   14.00  -69.52  110.32  -61.19   69.92
   15.00  -69.55  125.32  -58.63   79.79
   16.00  -69.39  140.32  -56.49   89.16
   17.00  -69.12  155.32  -54.83   98.45
   18.00  -70.47  170.32  -55.27  108.46
   19.00  -70.40  185.32  -54.75  117.63
   20.00  -69.56  200.32  -54.01  126.81
   21.00  -66.94  215.32  -52.17  136.73
   22.00  -62.85  230.32  -49.65  148.21
   23.00  -60.21  245.32  -49.00  160.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.15  260.32  -53.95  169.89
    1.00  -64.57  275.32  -57.74  179.90
    2.00  -65.48  290.32  -61.47  190.18
    3.00  -73.15  305.32  -71.03  187.21
    4.00  -75.42  320.32  -75.84  188.80
    5.00  -76.20  335.32  -79.67  192.36
    6.00  -75.52  350.32  -83.15  204.25
    7.00  -74.23    5.32  -86.52  237.95
    8.00  -74.47   20.32  -88.11  346.84
    9.00  -74.60   35.32  -84.31   30.30
   10.00  -74.39   50.32  -80.00   42.05
   11.00  -74.59   65.32  -76.06   52.89
   12.00  -75.04   80.32  -72.61   63.04
   13.00  -74.88   95.32  -69.12   70.65
   14.00  -74.72  110.32  -66.06   78.28
   15.00  -74.55  125.32  -63.51   85.97
   16.00  -74.39  140.32  -61.48   93.77
   17.00  -74.12  155.32  -59.85  101.68
   18.00  -75.47  170.32  -60.32  110.56
   19.00  -75.74  185.32  -60.16  118.52
   20.00  -74.56  200.32  -59.01  126.45
   21.00  -71.94  215.32  -57.00  135.43
   22.00  -67.85  230.32  -54.32  146.23
   23.00  -65.21  245.32  -53.65  157.73
</PRE>


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