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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>
08 Apr 1997 01:07:45 yearsecs   8384865
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.46   54.46  -60.31    3.49
    1.00  -57.90   69.46  -57.08   19.01
    2.00  -58.34   84.46  -54.32   33.64
    3.00  -58.77   99.46  -51.85   47.85
    4.00  -58.83  114.46  -49.18   61.11
    5.00  -59.66  129.46  -47.75   74.10
    6.00  -61.43  144.46  -47.88   86.63
    7.00  -62.84  159.46  -48.15   98.21
    8.00  -62.71  174.46  -47.28  108.88
    9.00  -62.12  189.46  -46.45  119.44
   10.00  -61.66  204.46  -46.41  130.07
   11.00  -61.47  219.46  -47.27  140.83
   12.00  -61.51  234.46  -48.85  151.71
   13.00  -61.76  249.46  -51.04  162.67
   14.00  -62.25  264.46  -53.79  173.65
   15.00  -62.95  279.46  -57.06  184.58
   16.00  -63.88  294.46  -60.94  195.33
   17.00  -65.04  309.46  -65.46  206.01
   18.00  -65.22  324.46  -69.38  219.44
   19.00  -64.00  339.46  -71.99  238.64
   20.00  -62.35  354.46  -73.53  263.85
   21.00  -61.17    9.46  -73.86  293.99
   22.00  -59.39   24.46  -70.62  323.94
   23.00  -58.29   39.46  -65.67  346.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.93   54.46  -77.14   33.52
    1.00  -72.78   69.46  -73.69   48.89
    2.00  -73.65   84.46  -70.59   61.33
    3.00  -74.17   99.46  -67.68   71.29
    4.00  -75.16  114.46  -65.74   81.24
    5.00  -76.37  129.46  -64.65   90.67
    6.00  -76.63  144.46  -63.25   98.30
    7.00  -75.85  159.46  -61.29  105.13
    8.00  -76.01  174.46  -60.71  112.96
    9.00  -76.21  189.46  -60.60  120.73
   10.00  -75.76  204.46  -60.31  128.50
   11.00  -75.41  219.46  -60.63  136.46
   12.00  -75.17  234.46  -61.53  144.55
   13.00  -74.99  249.46  -62.95  152.73
   14.00  -74.95  264.46  -64.90  160.85
   15.00  -74.69  279.46  -67.07  169.32
   16.00  -74.90  294.46  -69.99  176.89
   17.00  -74.80  309.46  -73.05  185.14
   18.00  -74.45  324.46  -76.28  194.80
   19.00  -73.80  339.46  -79.64  207.87
   20.00  -73.42  354.46  -83.30  225.72
   21.00  -72.54    9.46  -85.98  271.94
   22.00  -72.61   24.46  -85.61  345.49
   23.00  -71.72   39.46  -81.18   14.71
</PRE>


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