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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>
24 Feb 1997 23:28:03 yearsecs   4750083
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.86   84.60  -59.84   39.78
    1.00  -64.07   99.60  -57.82   54.39
    2.00  -64.86  114.60  -55.64   67.21
    3.00  -67.78  129.60  -56.21   80.80
    4.00  -67.38  144.60  -54.00   90.42
    5.00  -68.03  159.60  -53.41  100.62
    6.00  -67.95  174.60  -52.56  110.35
    7.00  -68.32  189.60  -52.64  120.06
    8.00  -69.46  204.60  -54.04  129.47
    9.00  -69.98  219.60  -55.39  138.62
   10.00  -69.59  234.60  -56.37  148.14
   11.00  -69.25  249.60  -57.85  157.95
   12.00  -69.16  264.60  -59.96  167.84
   13.00  -69.32  279.60  -62.68  177.64
   14.00  -69.73  294.60  -66.02  187.18
   15.00  -70.38  309.60  -69.95  196.47
   16.00  -71.01  324.60  -74.10  206.38
   17.00  -71.11  339.60  -77.99  220.01
   18.00  -71.23  354.60  -81.83  239.93
   19.00  -70.56    9.60  -84.00  281.82
   20.00  -69.71   24.60  -82.59  333.25
   21.00  -68.90   39.60  -78.46    3.37
   22.00  -66.66   54.60  -71.98   17.50
   23.00  -64.51   69.60  -65.48   28.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.86   84.60  -65.28   48.18
    1.00  -69.07   99.60  -62.97   61.78
    2.00  -69.86  114.60  -60.72   73.22
    3.00  -76.19  129.60  -64.47   90.49
    4.00  -78.34  144.60  -64.89  100.35
    5.00  -78.73  159.60  -64.15  107.45
    6.00  -77.81  174.60  -62.53  113.80
    7.00  -76.46  189.60  -60.86  120.83
    8.00  -76.40  204.60  -60.97  128.45
    9.00  -76.25  219.60  -61.46  136.14
   10.00  -76.16  234.60  -62.48  143.87
   11.00  -76.37  249.60  -64.19  151.29
   12.00  -76.81  264.60  -66.46  158.12
   13.00  -76.70  279.60  -68.62  165.53
   14.00  -76.58  294.60  -71.16  172.84
   15.00  -76.45  309.60  -74.05  180.03
   16.00  -76.32  324.60  -77.24  187.16
   17.00  -76.18  339.60  -80.68  194.32
   18.00  -77.51  354.60  -84.38  185.35
   19.00  -77.89    9.60  -87.23  156.97
   20.00  -77.05   24.60  -87.42   70.27
   21.00  -75.01   39.60  -83.29   38.33
   22.00  -71.66   54.60  -76.87   32.55
   23.00  -69.51   69.60  -70.80   39.37
</PRE>


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