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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>
21 Jul 1997 15:41:04 yearsecs  17422864
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.73  204.54  -48.43  129.97
    1.00  -65.00  219.54  -50.65  140.02
    2.00  -65.87  234.54  -52.94  149.93
    3.00  -67.21  249.54  -56.02  159.38
    4.00  -67.04  264.54  -58.09  169.82
    5.00  -67.99  279.54  -61.53  179.26
    6.00  -68.30  294.54  -64.81  189.43
    7.00  -69.15  309.54  -68.96  198.97
    8.00  -70.80  324.54  -73.94  206.91
    9.00  -70.94  339.54  -77.86  220.56
   10.00  -70.05  354.54  -80.85  245.35
   11.00  -69.32    9.54  -82.69  284.95
   12.00  -68.93   24.54  -81.74  331.32
   13.00  -68.85   39.54  -78.43    3.13
   14.00  -69.07   54.54  -74.54   23.66
   15.00  -69.59   69.54  -70.89   39.52
   16.00  -70.12   84.54  -67.50   52.76
   17.00  -70.11   99.54  -63.99   63.50
   18.00  -70.15  114.54  -61.02   73.57
   19.00  -69.36  129.54  -57.81   82.29
   20.00  -68.38  144.54  -55.02   91.08
   21.00  -67.57  159.54  -52.95  100.36
   22.00  -66.99  174.54  -51.59  110.04
   23.00  -65.22  189.54  -49.54  119.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.73  204.54  -53.32  129.51
    1.00  -70.00  219.54  -55.41  138.57
    2.00  -70.87  234.54  -57.55  147.39
    3.00  -76.97  249.54  -64.72  150.55
    4.00  -79.07  264.54  -68.26  154.19
    5.00  -79.52  279.54  -70.61  159.14
    6.00  -78.76  294.54  -72.48  166.72
    7.00  -77.62  309.54  -74.64  175.98
    8.00  -77.69  324.54  -77.73  180.88
    9.00  -77.61  339.54  -80.98  184.93
   10.00  -77.44  354.54  -84.37  186.13
   11.00  -77.51    9.54  -87.52  163.11
   12.00  -77.81   24.54  -86.96   84.43
   13.00  -77.61   39.54  -83.74   63.91
   14.00  -77.40   54.54  -80.07   62.82
   15.00  -77.20   69.54  -76.42   66.28
   16.00  -77.00   84.54  -72.95   71.45
   17.00  -76.78   99.54  -69.76   77.41
   18.00  -77.98  114.54  -68.16   86.72
   19.00  -78.29  129.54  -66.41   93.69
   20.00  -77.42  144.54  -64.00   99.23
   21.00  -75.39  159.54  -60.82  104.85
   22.00  -72.20  174.54  -56.84  111.60
   23.00  -70.22  189.54  -54.54  120.19
</PRE>


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