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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>
31 Mar 1997 14:47:05 yearsecs   7742825
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.95  214.30  -49.23  136.67
    1.00  -64.79  229.30  -51.36  146.78
    2.00  -65.83  244.30  -54.08  156.66
    3.00  -66.87  259.30  -57.12  166.33
    4.00  -66.64  274.30  -59.39  177.09
    5.00  -67.48  289.30  -63.01  186.83
    6.00  -67.53  304.30  -66.37  197.89
    7.00  -67.45  319.30  -69.99  210.34
    8.00  -68.18  334.30  -74.40  223.37
    9.00  -67.95  349.30  -77.85  243.71
   10.00  -67.60    4.30  -80.35  274.54
   11.00  -67.42   19.30  -80.63  315.25
   12.00  -67.46   34.30  -78.22  350.17
   13.00  -67.72   49.30  -74.60   13.76
   14.00  -68.20   64.30  -70.94   31.25
   15.00  -68.91   79.30  -67.66   46.04
   16.00  -69.79   94.30  -64.86   59.23
   17.00  -70.56  109.30  -62.41   70.76
   18.00  -70.40  124.30  -59.62   80.09
   19.00  -69.86  139.30  -57.08   88.91
   20.00  -68.88  154.30  -54.66   97.66
   21.00  -67.93  169.30  -52.76  106.89
   22.00  -66.50  184.30  -50.85  116.40
   23.00  -64.78  199.30  -49.27  126.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.95  214.30  -54.03  135.61
    1.00  -70.06  229.30  -56.27  144.59
    2.00  -71.07  244.30  -58.81  153.24
    3.00  -75.95  259.30  -65.02  156.75
    4.00  -78.30  274.30  -68.99  159.82
    5.00  -78.65  289.30  -71.55  165.08
    6.00  -77.89  304.30  -73.76  173.07
    7.00  -77.15  319.30  -76.43  181.46
    8.00  -77.45  334.30  -79.78  184.89
    9.00  -77.29  349.30  -83.17  188.29
   10.00  -77.51    4.30  -86.52  176.90
   11.00  -77.29   19.30  -88.19   99.29
   12.00  -77.46   34.30  -85.02   64.39
   13.00  -77.20   49.30  -81.32   60.38
   14.00  -77.17   64.30  -77.64   64.28
   15.00  -76.87   79.30  -74.02   68.82
   16.00  -77.06   94.30  -70.98   75.84
   17.00  -76.77  109.30  -68.00   81.86
   18.00  -77.31  124.30  -66.19   89.73
   19.00  -77.00  139.30  -64.12   96.25
   20.00  -75.95  154.30  -61.75  102.56
   21.00  -73.81  169.30  -58.69  109.24
   22.00  -71.50  184.30  -55.88  117.19
   23.00  -69.78  199.30  -54.20  126.17
</PRE>


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