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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>
26 Jul 1997 12:59:28 yearsecs  17845168
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.91  242.32  -52.98  155.79
    1.00  -66.07  257.32  -56.11  165.59
    2.00  -66.84  272.32  -59.22  175.48
    3.00  -67.75  287.32  -62.83  185.06
    4.00  -67.37  302.32  -65.78  196.63
    5.00  -68.05  317.32  -69.99  207.42
    6.00  -68.02  332.32  -73.77  221.65
    7.00  -68.46  347.32  -77.84  239.13
    8.00  -69.23    2.32  -81.67  265.19
    9.00  -69.45   17.32  -83.01  310.07
   10.00  -69.14   32.32  -80.49  350.67
   11.00  -68.86   47.32  -76.34   14.43
   12.00  -68.82   62.32  -72.11   30.93
   13.00  -69.02   77.32  -68.28   44.68
   14.00  -69.46   92.32  -65.00   57.19
   15.00  -70.14  107.32  -62.39   68.81
   16.00  -70.79  122.32  -60.32   79.33
   17.00  -70.90  137.32  -58.36   88.62
   18.00  -71.04  152.32  -57.00   97.79
   19.00  -70.37  167.32  -55.32  106.58
   20.00  -69.57  182.32  -53.97  115.64
   21.00  -68.80  197.32  -53.19  124.97
   22.00  -68.18  212.32  -53.17  134.53
   23.00  -66.35  227.32  -52.62  144.85
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.91  242.32  -57.53  152.82
    1.00  -71.07  257.32  -60.53  161.28
    2.00  -71.84  272.32  -63.53  169.63
    3.00  -77.60  287.32  -70.54  167.00
    4.00  -79.57  302.32  -74.21  166.63
    5.00  -79.96  317.32  -76.95  168.57
    6.00  -79.16  332.32  -79.62  174.48
    7.00  -78.19  347.32  -82.70  180.63
    8.00  -78.33    2.32  -85.72  168.82
    9.00  -78.37   17.32  -87.20  118.99
   10.00  -78.16   32.32  -85.23   74.81
   11.00  -78.26   47.32  -81.87   68.36
   12.00  -78.56   62.32  -78.52   71.10
   13.00  -78.39   77.32  -75.23   73.93
   14.00  -78.21   92.32  -72.13   78.43
   15.00  -78.04  107.32  -69.35   83.85
   16.00  -77.87  122.32  -66.95   89.83
   17.00  -77.68  137.32  -64.97   96.22
   18.00  -78.81  152.32  -64.72  104.30
   19.00  -79.07  167.32  -64.09  111.16
   20.00  -78.21  182.32  -62.74  117.61
   21.00  -76.28  197.32  -60.70  124.76
   22.00  -73.26  212.32  -58.12  133.33
   23.00  -71.35  227.32  -57.31  142.77
</PRE>


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