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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>
10 May 1997 13:25:16 yearsecs  11193916
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.12  234.41  -49.42  151.43
    1.00  -63.25  249.41  -52.41  161.79
    2.00  -64.33  264.41  -55.66  172.04
    3.00  -66.70  279.41  -60.37  180.69
    4.00  -66.53  294.41  -63.27  191.89
    5.00  -67.47  309.41  -67.55  202.00
    6.00  -67.57  324.41  -71.38  214.78
    7.00  -67.32  339.41  -74.96  231.55
    8.00  -67.56  354.41  -78.61  253.56
    9.00  -67.77    9.41  -81.04  287.47
   10.00  -67.36   24.41  -80.01  328.49
   11.00  -67.16   39.41  -76.66  358.37
   12.00  -67.18   54.41  -72.61   18.51
   13.00  -67.43   69.41  -68.75   34.24
   14.00  -67.89   84.41  -65.36   48.10
   15.00  -68.58   99.41  -62.53   60.84
   16.00  -69.49  114.41  -60.39   72.61
   17.00  -70.43  129.41  -58.91   83.31
   18.00  -70.19  144.41  -56.87   92.35
   19.00  -69.66  159.41  -55.07  101.33
   20.00  -68.62  174.41  -53.24  110.42
   21.00  -66.92  189.41  -51.24  119.81
   22.00  -64.67  204.41  -49.35  129.81
   23.00  -62.88  219.41  -48.61  140.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.12  234.41  -54.08  149.26
    1.00  -68.25  249.41  -56.93  158.56
    2.00  -69.33  264.41  -60.08  167.55
    3.00  -74.08  279.41  -66.58  170.36
    4.00  -76.72  294.41  -71.22  172.38
    5.00  -77.04  309.41  -74.32  177.95
    6.00  -76.07  324.41  -77.08  188.17
    7.00  -75.24  339.41  -80.30  199.92
    8.00  -75.90  354.41  -84.28  202.80
    9.00  -75.78    9.41  -88.19  211.61
   10.00  -76.25   24.41  -87.72   50.89
   11.00  -75.99   39.41  -83.66   47.52
   12.00  -76.17   54.41  -79.73   55.05
   13.00  -75.92   69.41  -75.81   60.68
   14.00  -75.98   84.41  -72.32   68.11
   15.00  -75.66   99.41  -68.92   74.63
   16.00  -75.97  114.41  -66.47   82.69
   17.00  -75.58  129.41  -63.92   89.52
   18.00  -75.96  144.41  -62.60   97.56
   19.00  -75.57  159.41  -61.01  104.90
   20.00  -74.31  174.41  -58.98  112.27
   21.00  -71.92  189.41  -56.25  120.27
   22.00  -69.67  204.41  -54.25  129.33
   23.00  -67.88  219.41  -53.37  139.14
</PRE>


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