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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 Jul 1997 22:55:31 yearsecs  16498531
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.00   84.75  -63.32   44.93
    1.00  -65.75   99.75  -59.58   56.82
    2.00  -66.61  114.75  -57.43   69.28
    3.00  -67.46  129.75  -55.86   80.60
    4.00  -67.09  144.75  -53.69   90.32
    5.00  -67.77  159.75  -53.15  100.60
    6.00  -67.69  174.75  -52.28  110.37
    7.00  -67.79  189.75  -52.11  120.11
    8.00  -68.51  204.75  -53.11  129.66
    9.00  -68.80  219.75  -54.27  139.09
   10.00  -68.53  234.75  -55.41  148.79
   11.00  -68.34  249.75  -57.06  158.72
   12.00  -68.37  264.75  -59.29  168.72
   13.00  -68.63  279.75  -62.12  178.62
   14.00  -69.12  294.75  -65.55  188.29
   15.00  -69.82  309.75  -69.55  197.75
   16.00  -70.58  324.75  -73.83  207.70
   17.00  -70.99  339.75  -77.95  220.60
   18.00  -71.02  354.75  -81.69  241.30
   19.00  -70.42    9.75  -83.87  282.76
   20.00  -69.54   24.75  -82.38  333.25
   21.00  -68.69   39.75  -78.21    2.97
   22.00  -67.95   54.75  -73.33   20.78
   23.00  -67.06   69.75  -68.28   33.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.31   84.75  -71.03   63.31
    1.00  -75.32   99.75  -68.57   74.00
    2.00  -76.12  114.75  -66.55   83.14
    3.00  -80.28  129.75  -68.14   97.27
    4.00  -81.96  144.75  -68.27  105.46
    5.00  -82.33  159.75  -67.71  111.07
    6.00  -81.90  174.75  -66.70  116.04
    7.00  -81.59  189.75  -66.14  121.57
    8.00  -81.49  204.75  -66.16  127.35
    9.00  -81.33  219.75  -66.47  133.23
   10.00  -81.18  234.75  -67.18  139.13
   11.00  -81.04  249.75  -68.26  144.96
   12.00  -81.12  264.75  -69.85  150.16
   13.00  -80.87  279.75  -71.50  155.70
   14.00  -80.69  294.75  -73.52  160.62
   15.00  -80.44  309.75  -75.78  165.08
   16.00  -80.34  324.75  -78.31  167.53
   17.00  -80.08  339.75  -80.96  168.09
   18.00  -80.71  354.75  -83.09  155.84
   19.00  -80.69    9.75  -84.58  136.11
   20.00  -79.95   24.75  -85.10  104.75
   21.00  -78.43   39.75  -83.55   71.96
   22.00  -76.39   54.75  -79.73   56.57
   23.00  -75.09   69.75  -75.24   57.48
</PRE>


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