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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>
24 Apr 1997 16:38:01 yearsecs   9823081
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.21  183.80  -48.56  115.72
    1.00  -64.02  198.80  -48.50  126.01
    2.00  -64.98  213.80  -50.18  136.12
    3.00  -65.93  228.80  -52.37  146.00
    4.00  -65.72  243.80  -53.91  156.37
    5.00  -66.76  258.80  -56.94  166.07
    6.00  -66.93  273.80  -59.56  176.43
    7.00  -66.78  288.80  -62.30  187.39
    8.00  -67.46  303.80  -66.19  197.62
    9.00  -67.04  318.80  -69.52  210.69
   10.00  -66.68  333.80  -73.02  226.40
   11.00  -66.44  348.80  -76.38  246.88
   12.00  -66.47    3.80  -79.13  275.65
   13.00  -66.73   18.80  -79.89  313.68
   14.00  -67.21   33.80  -78.07  348.68
   15.00  -67.92   48.80  -74.96   13.66
   16.00  -68.85   63.80  -71.74   32.42
   17.00  -69.86   78.80  -68.71   47.78
   18.00  -69.69   93.80  -64.88   58.69
   19.00  -69.12  108.80  -61.09   68.30
   20.00  -68.01  123.80  -57.30   77.14
   21.00  -66.98  138.80  -54.21   86.26
   22.00  -65.97  153.80  -51.75   95.72
   23.00  -64.75  168.80  -49.57  105.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.21  183.80  -53.58  116.50
    1.00  -70.32  198.80  -54.72  125.84
    2.00  -71.34  213.80  -56.33  134.70
    3.00  -74.90  228.80  -60.79  141.70
    4.00  -77.47  243.80  -64.55  147.20
    5.00  -77.99  258.80  -66.67  153.53
    6.00  -77.20  273.80  -68.09  161.81
    7.00  -76.47  288.80  -70.03  170.39
    8.00  -77.05  303.80  -73.21  175.56
    9.00  -76.61  318.80  -76.08  183.46
   10.00  -76.70  333.80  -79.47  188.97
   11.00  -76.53  348.80  -82.99  194.89
   12.00  -76.58    3.80  -86.69  193.71
   13.00  -76.39   18.80  -89.04   78.18
   14.00  -76.51   33.80  -85.23   52.29
   15.00  -76.19   48.80  -81.21   52.91
   16.00  -76.39   63.80  -77.43   60.22
   17.00  -75.69   78.80  -73.41   64.40
   18.00  -75.91   93.80  -70.25   72.48
   19.00  -75.86  108.80  -67.33   79.72
   20.00  -74.91  123.80  -64.06   85.69
   21.00  -72.82  138.80  -60.10   91.33
   22.00  -71.20  153.80  -57.04   98.78
   23.00  -69.75  168.80  -54.62  107.24
</PRE>


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