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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>
15 Oct 1997 01:25:28 yearsecs  24801928
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.79   47.87  -71.69    5.60
    1.00  -65.03   62.87  -67.87   22.99
    2.00  -66.05   77.87  -65.08   39.08
    3.00  -67.10   92.87  -62.52   53.44
    4.00  -66.96  107.87  -59.11   64.69
    5.00  -67.95  122.87  -57.39   76.45
    6.00  -68.29  137.87  -55.66   86.69
    7.00  -69.19  152.87  -55.08   96.94
    8.00  -70.86  167.87  -55.78  107.12
    9.00  -70.40  182.87  -54.79  116.13
   10.00  -69.60  197.87  -53.99  125.29
   11.00  -68.93  212.87  -53.92  134.71
   12.00  -68.57  227.87  -54.75  144.34
   13.00  -68.52  242.87  -56.33  154.07
   14.00  -68.76  257.87  -58.58  163.76
   15.00  -69.29  272.87  -61.44  173.18
   16.00  -69.83  287.87  -64.71  182.46
   17.00  -69.83  302.87  -67.94  192.76
   18.00  -69.87  317.87  -71.57  203.90
   19.00  -69.06  332.87  -74.74  219.51
   20.00  -68.07  347.87  -77.63  241.12
   21.00  -67.33    2.87  -79.88  271.74
   22.00  -66.77   17.87  -80.00  311.26
   23.00  -65.92   32.87  -76.81  344.53
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.34   47.87  -77.62   20.10
    1.00  -71.59   62.87  -74.51   39.75
    2.00  -72.47   77.87  -71.25   53.80
    3.00  -78.12   92.87  -71.97   78.33
    4.00  -80.08  107.87  -70.76   89.20
    5.00  -80.54  122.87  -69.13   95.34
    6.00  -79.91  137.87  -66.98   99.70
    7.00  -78.87  152.87  -64.73  104.60
    8.00  -78.89  167.87  -63.89  111.28
    9.00  -78.84  182.87  -63.38  118.04
   10.00  -78.56  197.87  -63.04  124.90
   11.00  -78.57  212.87  -63.44  131.82
   12.00  -78.79  227.87  -64.45  138.54
   13.00  -78.56  242.87  -65.44  145.54
   14.00  -78.32  257.87  -66.84  152.59
   15.00  -78.09  272.87  -68.63  159.62
   16.00  -77.86  287.87  -70.81  166.57
   17.00  -77.62  302.87  -73.35  173.38
   18.00  -78.72  317.87  -76.71  174.27
   19.00  -79.02  332.87  -79.72  175.33
   20.00  -78.22  347.87  -82.81  180.33
   21.00  -76.35    2.87  -86.48  198.27
   22.00  -73.43   17.87  -87.36  317.62
   23.00  -71.64   32.87  -82.84    2.43
</PRE>


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