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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>
11 Sep 1997 13:35:04 yearsecs  21908104
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.10  229.83  -45.04  149.46
    1.00  -58.60  244.83  -47.39  160.74
    2.00  -59.10  259.83  -50.13  172.14
    3.00  -59.61  274.83  -53.16  183.75
    4.00  -59.39  289.83  -55.84  196.26
    5.00  -60.28  304.83  -59.98  208.18
    6.00  -61.87  319.83  -65.16  220.06
    7.00  -63.08  334.83  -70.03  234.44
    8.00  -63.03  349.83  -73.35  255.16
    9.00  -62.48    4.83  -75.03  283.36
   10.00  -62.06   19.83  -74.45  315.44
   11.00  -61.87   34.83  -71.51  342.94
   12.00  -61.91   49.83  -67.61    3.52
   13.00  -62.16   64.83  -63.89   20.15
   14.00  -62.65   79.83  -60.73   35.16
   15.00  -63.35   94.83  -58.08   49.42
   16.00  -64.29  109.83  -55.95   62.88
   17.00  -65.44  124.83  -54.51   75.32
   18.00  -65.56  139.83  -52.64   85.93
   19.00  -64.50  154.83  -50.17   95.68
   20.00  -62.87  169.83  -47.62  105.62
   21.00  -61.71  184.83  -46.05  116.09
   22.00  -59.99  199.83  -44.57  126.82
   23.00  -58.87  214.83  -44.37  137.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.22  229.83  -59.29  143.26
    1.00  -74.01  244.83  -61.53  151.16
    2.00  -74.86  259.83  -64.17  158.47
    3.00  -75.44  274.83  -66.88  165.55
    4.00  -76.60  289.83  -70.31  170.55
    5.00  -77.74  304.83  -73.78  173.75
    6.00  -77.99  319.83  -76.86  178.05
    7.00  -77.50  334.83  -79.91  184.70
    8.00  -77.47  349.83  -83.29  186.65
    9.00  -77.57    4.83  -86.60  175.00
   10.00  -77.16   19.83  -88.24   93.58
   11.00  -76.80   34.83  -84.97   55.93
   12.00  -76.52   49.83  -81.03   55.58
   13.00  -76.34   64.83  -77.15   60.43
   14.00  -76.23   79.83  -73.51   66.75
   15.00  -75.89   94.83  -70.02   72.93
   16.00  -75.98  109.83  -67.24   80.46
   17.00  -75.62  124.83  -64.57   87.27
   18.00  -75.30  139.83  -62.42   94.49
   19.00  -74.93  154.83  -60.69  102.01
   20.00  -74.60  169.83  -59.46  109.89
   21.00  -73.68  184.83  -58.08  117.87
   22.00  -73.74  199.83  -58.17  126.25
   23.00  -72.92  214.83  -57.92  134.85
</PRE>


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