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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>
19 Jul 1997 16:05:20 yearsecs  17251520
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.97  197.45  -48.41  125.09
    1.00  -64.55  212.45  -49.68  135.29
    2.00  -65.31  227.45  -51.66  145.32
    3.00  -66.06  242.45  -54.05  155.25
    4.00  -66.01  257.45  -56.07  165.72
    5.00  -67.42  272.45  -59.75  174.97
    6.00  -67.97  287.45  -63.05  184.85
    7.00  -68.14  302.45  -66.46  195.46
    8.00  -68.83  317.45  -70.65  205.90
    9.00  -68.88  332.45  -74.49  219.58
   10.00  -68.04  347.45  -77.51  240.58
   11.00  -67.50    2.45  -79.99  270.39
   12.00  -67.22   17.45  -80.53  310.18
   13.00  -67.19   32.45  -78.34  346.04
   14.00  -67.40   47.45  -74.77   10.58
   15.00  -67.83   62.45  -71.07   28.55
   16.00  -68.49   77.45  -67.72   43.60
   17.00  -69.33   92.45  -64.85   57.05
   18.00  -69.04  107.45  -61.28   67.26
   19.00  -67.67  122.45  -57.18   75.87
   20.00  -66.69  137.45  -54.07   85.14
   21.00  -65.95  152.45  -51.83   94.80
   22.00  -65.09  167.45  -49.98  104.67
   23.00  -64.21  182.45  -48.58  114.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.15  197.45  -56.54  124.98
    1.00  -73.40  212.45  -58.27  133.37
    2.00  -74.46  227.45  -60.27  141.24
    3.00  -75.84  242.45  -62.94  148.19
    4.00  -78.44  257.45  -66.89  152.22
    5.00  -79.39  272.45  -69.53  156.74
    6.00  -78.86  287.45  -71.38  163.79
    7.00  -78.33  302.45  -73.64  170.93
    8.00  -79.23  317.45  -76.79  171.89
    9.00  -79.05  332.45  -79.64  175.14
   10.00  -79.03  347.45  -82.60  173.67
   11.00  -78.79    2.45  -85.46  163.31
   12.00  -78.39   17.45  -87.18  118.47
   13.00  -78.13   32.45  -85.22   74.23
   14.00  -78.16   47.45  -81.84   67.58
   15.00  -77.66   62.45  -78.25   66.29
   16.00  -77.41   77.45  -74.73   70.10
   17.00  -75.83   92.45  -70.47   71.61
   18.00  -75.46  107.45  -67.22   78.23
   19.00  -75.82  122.45  -65.10   86.41
   20.00  -75.42  137.45  -62.80   93.42
   21.00  -73.57  152.45  -59.53   99.68
   22.00  -72.85  167.45  -57.81  107.75
   23.00  -72.17  182.45  -56.59  116.23
</PRE>


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