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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 Jun 1997 20:06:21 yearsecs  13377981
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.72  124.54  -50.65   71.83
    1.00  -62.30  139.54  -49.29   83.54
    2.00  -62.89  154.54  -48.54   94.71
    3.00  -63.48  169.54  -48.25  105.60
    4.00  -62.95  184.54  -47.30  116.06
    5.00  -64.17  199.54  -48.67  126.51
    6.00  -64.78  214.54  -50.05  136.67
    7.00  -64.93  229.54  -51.51  146.89
    8.00  -65.56  244.54  -53.86  156.98
    9.00  -64.98  259.54  -55.47  167.99
   10.00  -64.51  274.54  -57.55  179.38
   11.00  -64.32  289.54  -60.28  190.96
   12.00  -64.35  304.54  -63.66  202.88
   13.00  -64.61  319.54  -67.60  215.69
   14.00  -65.09  334.54  -71.80  230.54
   15.00  -65.80  349.54  -75.95  249.53
   16.00  -66.73    4.54  -79.48  276.90
   17.00  -67.89   19.54  -81.14  316.13
   18.00  -67.90   34.54  -78.66  351.66
   19.00  -67.22   49.54  -74.01   12.82
   20.00  -65.81   64.54  -68.31   26.19
   21.00  -64.70   79.54  -63.17   38.17
   22.00  -63.39   94.54  -58.19   49.22
   23.00  -62.22  109.54  -53.79   60.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.77  124.54  -59.95   80.67
    1.00  -71.74  139.54  -58.94   90.73
    2.00  -72.69  154.54  -58.48  100.22
    3.00  -73.60  169.54  -58.46  109.27
    4.00  -76.10  184.54  -60.54  118.18
    5.00  -77.13  199.54  -61.60  125.81
    6.00  -76.60  214.54  -61.53  133.42
    7.00  -75.78  229.54  -61.70  141.53
    8.00  -76.49  244.54  -63.74  148.61
    9.00  -75.95  259.54  -65.06  156.87
   10.00  -75.56  274.54  -66.93  165.19
   11.00  -76.26  289.54  -70.02  171.23
   12.00  -76.65  304.54  -73.13  177.15
   13.00  -76.39  319.54  -76.14  184.65
   14.00  -76.45  334.54  -79.56  190.65
   15.00  -76.01  349.54  -83.07  199.68
   16.00  -75.86    4.54  -86.91  207.40
   17.00  -74.42   19.54  -88.20  340.05
   18.00  -74.22   34.54  -84.33   25.44
   19.00  -74.87   49.54  -80.47   44.44
   20.00  -74.31   64.54  -76.09   51.28
   21.00  -72.48   79.54  -70.85   54.99
   22.00  -71.91   94.54  -66.77   63.55
   23.00  -70.82  109.54  -62.61   71.31
</PRE>


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