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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>
27 May 1997 11:38:36 yearsecs  12656316
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.05  257.89  -47.85  171.79
    1.00  -57.34  272.89  -50.70  183.81
    2.00  -57.62  287.89  -53.78  196.18
    3.00  -57.88  302.89  -57.24  208.97
    4.00  -58.12  317.89  -61.08  222.73
    5.00  -58.76  332.89  -65.38  238.08
    6.00  -60.58  347.89  -70.51  255.67
    7.00  -61.61    2.89  -73.93  280.35
    8.00  -61.80   17.89  -74.33  311.43
    9.00  -61.34   32.89  -71.30  339.38
   10.00  -61.07   47.89  -67.06    0.12
   11.00  -61.00   62.89  -62.91   16.52
   12.00  -61.14   77.89  -59.35   31.18
   13.00  -61.47   92.89  -56.37   45.23
   14.00  -62.02  107.89  -53.90   58.77
   15.00  -62.78  122.89  -52.03   71.47
   16.00  -63.75  137.89  -50.98   83.30
   17.00  -64.93  152.89  -50.75   94.55
   18.00  -65.19  167.89  -50.06  105.01
   19.00  -63.86  182.89  -48.22  115.04
   20.00  -62.20  197.89  -46.68  125.40
   21.00  -60.98  212.89  -46.27  136.20
   22.00  -59.12  227.89  -45.83  147.67
   23.00  -58.00  242.89  -46.54  159.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.46  257.89  -60.95  161.24
    1.00  -72.36  272.89  -64.05  169.28
    2.00  -73.21  287.89  -67.45  176.77
    3.00  -73.65  302.89  -70.85  184.57
    4.00  -74.36  317.89  -74.68  191.26
    5.00  -75.37  332.89  -78.76  195.62
    6.00  -75.91  347.89  -82.64  199.77
    7.00  -74.98    2.89  -86.26  221.46
    8.00  -74.98   17.89  -88.98  335.47
    9.00  -75.34   32.89  -85.29   36.40
   10.00  -74.86   47.89  -80.92   43.23
   11.00  -74.54   62.89  -76.67   51.22
   12.00  -74.35   77.89  -72.71   59.49
   13.00  -74.19   92.89  -69.09   67.66
   14.00  -74.22  107.89  -66.06   76.05
   15.00  -74.06  122.89  -63.39   83.96
   16.00  -74.41  137.89  -61.76   92.49
   17.00  -74.62  152.89  -60.54  100.75
   18.00  -74.23  167.89  -59.18  108.65
   19.00  -73.29  182.89  -57.71  116.71
   20.00  -72.94  197.89  -57.33  125.20
   21.00  -72.16  212.89  -57.07  133.96
   22.00  -72.25  227.89  -58.21  142.67
   23.00  -71.35  242.89  -58.90  152.17
</PRE>


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