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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 Jan 1997 12:31:32 yearsecs   2205092
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.38  242.48  -51.59  156.70
    1.00  -64.57  257.48  -54.79  166.80
    2.00  -65.35  272.48  -57.93  177.06
    3.00  -67.65  287.48  -62.78  185.29
    4.00  -67.31  302.48  -65.76  196.84
    5.00  -68.04  317.48  -70.02  207.57
    6.00  -68.08  332.48  -73.86  221.67
    7.00  -68.77  347.48  -78.14  238.38
    8.00  -69.44    2.48  -81.90  264.86
    9.00  -69.55   17.48  -83.12  310.60
   10.00  -69.17   32.48  -80.50  351.10
   11.00  -68.84   47.48  -76.28   14.58
   12.00  -68.76   62.48  -72.01   30.91
   13.00  -68.93   77.48  -68.15   44.59
   14.00  -69.34   92.48  -64.85   57.08
   15.00  -70.00  107.48  -62.22   68.71
   16.00  -70.64  122.48  -60.15   79.24
   17.00  -70.74  137.48  -58.18   88.56
   18.00  -70.86  152.48  -56.81   97.77
   19.00  -70.18  167.48  -55.12  106.59
   20.00  -69.36  182.48  -53.75  115.70
   21.00  -68.59  197.48  -52.98  125.07
   22.00  -67.07  212.48  -52.11  134.84
   23.00  -64.99  227.48  -51.36  145.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.38  242.48  -56.16  153.91
    1.00  -69.57  257.48  -59.23  162.79
    2.00  -70.35  272.48  -62.28  171.65
    3.00  -76.53  287.48  -69.84  169.63
    4.00  -78.19  302.48  -73.58  171.39
    5.00  -79.12  317.48  -76.76  172.40
    6.00  -78.44  332.48  -79.57  178.74
    7.00  -77.37  347.48  -82.75  187.52
    8.00  -77.54    2.48  -86.12  179.18
    9.00  -77.61   17.48  -88.00  115.29
   10.00  -77.42   32.48  -85.46   65.11
   11.00  -77.54   47.48  -81.81   62.72
   12.00  -77.87   62.48  -78.31   67.40
   13.00  -77.71   77.48  -74.87   71.26
   14.00  -77.54   92.48  -71.67   76.46
   15.00  -77.38  107.48  -68.80   82.36
   16.00  -77.21  122.48  -66.34   88.72
   17.00  -76.97  137.48  -64.28   95.35
   18.00  -78.11  152.48  -64.02  103.65
   19.00  -78.36  167.48  -63.37  110.76
   20.00  -77.43  182.48  -61.94  117.47
   21.00  -75.34  197.48  -59.75  124.88
   22.00  -72.07  212.48  -56.97  133.74
   23.00  -69.99  227.48  -56.04  143.49
</PRE>


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