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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>
23 Aug 1997 22:28:26 yearsecs  20298506
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.26   92.84  -61.66   52.06
    1.00  -66.16  107.84  -58.30   63.64
    2.00  -66.94  122.84  -56.37   75.38
    3.00  -67.72  137.84  -55.07   86.20
    4.00  -67.28  152.84  -53.16   95.80
    5.00  -67.89  167.84  -52.79  105.93
    6.00  -67.74  182.84  -52.12  115.64
    7.00  -67.93  197.84  -52.33  125.31
    8.00  -68.86  212.84  -53.86  134.71
    9.00  -69.08  227.84  -55.22  144.11
   10.00  -69.00  242.84  -56.77  153.75
   11.00  -68.77  257.84  -58.59  163.73
   12.00  -68.80  272.84  -61.01  173.73
   13.00  -69.05  287.84  -64.05  183.60
   14.00  -69.53  302.84  -67.69  193.30
   15.00  -70.23  317.84  -71.84  203.00
   16.00  -70.94  332.84  -76.15  213.81
   17.00  -71.18  347.84  -80.14  229.66
   18.00  -71.29    2.84  -83.68  257.62
   19.00  -70.67   17.84  -84.35  312.44
   20.00  -69.83   32.84  -81.10  354.09
   21.00  -69.02   47.84  -76.36   15.60
   22.00  -68.34   62.84  -71.48   30.18
   23.00  -67.42   77.84  -66.54   41.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.67   92.84  -68.67   66.37
    1.00  -74.68  107.84  -66.48   76.90
    2.00  -75.42  122.84  -64.68   85.97
    3.00  -79.97  137.84  -67.04   99.79
    4.00  -81.63  152.84  -67.42  107.80
    5.00  -82.00  167.84  -67.02  113.59
    6.00  -81.47  182.84  -66.08  118.88
    7.00  -80.73  197.84  -65.26  124.74
    8.00  -80.83  212.84  -65.71  130.80
    9.00  -80.95  227.84  -66.53  136.69
   10.00  -81.00  242.84  -67.63  142.43
   11.00  -80.95  257.84  -68.97  148.08
   12.00  -81.05  272.84  -70.74  153.03
   13.00  -80.81  287.84  -72.57  158.31
   14.00  -80.61  302.84  -74.72  162.92
   15.00  -80.38  317.84  -77.13  166.65
   16.00  -80.22  332.84  -79.72  168.16
   17.00  -80.00  347.84  -82.39  165.94
   18.00  -80.78    2.84  -83.98  146.45
   19.00  -80.89   17.84  -84.50  121.13
   20.00  -80.16   32.84  -83.96   93.46
   21.00  -78.54   47.84  -81.74   70.48
   22.00  -76.15   62.84  -77.56   58.65
   23.00  -74.67   77.84  -72.95   60.49
</PRE>


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