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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>
16 Apr 1997 23:19:20 yearsecs   9155960
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.08   79.91  -57.55   31.62
    1.00  -60.76   94.91  -55.11   46.11
    2.00  -61.44  109.91  -52.88   59.82
    3.00  -62.12  124.91  -51.02   72.46
    4.00  -61.19  139.91  -48.09   83.12
    5.00  -62.23  154.91  -47.83   94.67
    6.00  -63.28  169.91  -48.03  105.81
    7.00  -63.87  184.91  -48.21  116.44
    8.00  -64.38  199.91  -48.89  126.76
    9.00  -63.74  214.91  -49.08  137.13
   10.00  -63.39  229.91  -50.11  147.72
   11.00  -63.14  244.91  -51.69  158.58
   12.00  -63.17  259.91  -53.90  169.57
   13.00  -63.43  274.91  -56.65  180.65
   14.00  -63.91  289.91  -59.99  191.72
   15.00  -64.62  304.91  -63.99  202.82
   16.00  -65.55  319.91  -68.52  214.46
   17.00  -66.58  334.91  -73.20  227.91
   18.00  -66.46  349.91  -76.65  248.61
   19.00  -66.04    4.91  -78.81  278.99
   20.00  -64.48   19.91  -77.24  315.91
   21.00  -63.37   34.91  -73.33  344.63
   22.00  -61.83   49.91  -67.49    3.52
   23.00  -60.68   64.91  -61.96   18.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.80   79.91  -67.41   46.31
    1.00  -69.46   94.91  -64.40   59.07
    2.00  -70.38  109.91  -62.11   70.88
    3.00  -71.11  124.91  -60.24   81.30
    4.00  -73.29  139.91  -60.44   92.42
    5.00  -74.50  154.91  -60.26  101.73
    6.00  -74.37  169.91  -59.22  109.83
    7.00  -73.59  184.91  -57.99  117.91
    8.00  -74.16  199.91  -58.59  126.26
    9.00  -73.97  214.91  -58.96  134.56
   10.00  -73.83  229.91  -59.88  142.96
   11.00  -73.57  244.91  -61.15  151.59
   12.00  -73.34  259.91  -62.87  160.39
   13.00  -73.36  274.91  -65.22  169.00
   14.00  -73.31  289.91  -67.92  177.76
   15.00  -72.83  304.91  -70.71  187.74
   16.00  -72.78  319.91  -74.17  197.59
   17.00  -71.58  334.91  -77.12  213.53
   18.00  -71.46  349.91  -80.86  231.24
   19.00  -72.04    4.91  -84.75  258.95
   20.00  -71.53   19.91  -85.15  322.03
   21.00  -69.93   34.91  -80.71  358.66
   22.00  -69.72   49.91  -76.47   20.42
   23.00  -68.43   64.91  -71.00   32.39
</PRE>


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