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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>
06 Aug 1997 12:25:36 yearsecs  18793536
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.63  249.12  -48.98  163.54
    1.00  -61.00  264.12  -52.59  174.27
    2.00  -61.90  279.12  -56.04  185.28
    3.00  -68.10  294.12  -64.56  189.42
    4.00  -67.78  309.12  -67.74  201.21
    5.00  -68.50  324.12  -72.07  212.42
    6.00  -68.55  339.12  -75.91  227.91
    7.00  -68.86  354.12  -79.73  249.03
    8.00  -69.47    9.12  -82.81  283.29
    9.00  -69.70   24.12  -82.65  331.81
   10.00  -69.39   39.12  -79.09    4.18
   11.00  -69.09   54.12  -74.67   23.24
   12.00  -69.03   69.12  -70.46   37.73
   13.00  -69.20   84.12  -66.74   50.49
   14.00  -69.61   99.12  -63.61   62.34
   15.00  -70.10  114.12  -61.04   73.22
   16.00  -69.93  129.12  -58.45   82.60
   17.00  -69.75  144.12  -56.45   91.82
   18.00  -71.10  159.12  -56.55  101.93
   19.00  -70.44  174.12  -55.09  110.78
   20.00  -69.67  189.12  -53.99  119.88
   21.00  -67.86  204.12  -52.46  129.33
   22.00  -64.01  219.12  -49.67  139.98
   23.00  -61.54  234.12  -48.84  151.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.63  249.12  -53.63  160.76
    1.00  -66.00  264.12  -57.11  170.44
    2.00  -66.90  279.12  -60.49  180.25
    3.00  -74.16  294.12  -69.39  178.39
    4.00  -76.61  309.12  -74.03  179.29
    5.00  -77.05  324.12  -77.42  183.70
    6.00  -75.98  339.12  -80.50  195.34
    7.00  -74.84  354.12  -83.90  213.22
    8.00  -75.07    9.12  -87.92  232.96
    9.00  -75.19   24.12  -87.66   21.92
   10.00  -74.98   39.12  -83.42   37.70
   11.00  -75.16   54.12  -79.37   49.01
   12.00  -75.59   69.12  -75.69   59.15
   13.00  -75.43   84.12  -72.00   66.25
   14.00  -75.26   99.12  -68.65   73.55
   15.00  -75.10  114.12  -65.75   80.96
   16.00  -74.93  129.12  -63.34   88.49
   17.00  -74.75  144.12  -61.44   96.17
   18.00  -76.16  159.12  -61.62  105.18
   19.00  -76.43  174.12  -61.14  112.96
   20.00  -75.33  189.12  -59.71  120.45
   21.00  -72.86  204.12  -57.40  128.76
   22.00  -69.01  219.12  -54.43  138.62
   23.00  -66.54  234.12  -53.50  149.34
</PRE>


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