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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>
21 Jun 1997 18:24:49 yearsecs  14840689
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.64  152.68  -49.45   93.75
    1.00  -65.18  167.68  -50.06  104.86
    2.00  -66.45  182.68  -50.82  115.32
    3.00  -68.91  197.68  -53.30  125.19
    4.00  -68.84  212.68  -53.83  134.62
    5.00  -69.77  227.68  -55.86  143.71
    6.00  -70.02  242.68  -57.67  152.98
    7.00  -70.36  257.68  -59.96  162.18
    8.00  -71.45  272.68  -63.26  170.37
    9.00  -71.99  287.68  -66.44  178.84
   10.00  -72.78  302.68  -70.17  186.50
   11.00  -71.25  317.68  -72.56  200.33
   12.00  -70.83  332.68  -76.03  214.02
   13.00  -70.64  347.68  -79.69  231.82
   14.00  -70.72    2.68  -83.14  260.13
   15.00  -71.05   17.68  -84.78  312.12
   16.00  -71.52   32.68  -82.77    1.35
   17.00  -71.11   47.68  -78.37   22.92
   18.00  -71.32   62.68  -74.34   38.70
   19.00  -70.31   77.68  -69.42   48.00
   20.00  -69.22   92.68  -64.68   57.00
   21.00  -68.09  107.68  -60.30   66.09
   22.00  -65.77  122.68  -55.19   74.10
   23.00  -64.28  137.68  -51.56   83.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.64  152.68  -54.54   96.49
    1.00  -70.18  167.68  -55.10  106.72
    2.00  -71.45  182.68  -55.85  116.22
    3.00  -76.77  197.68  -61.21  124.92
    4.00  -79.12  212.68  -63.98  131.51
    5.00  -79.62  227.68  -65.24  137.80
    6.00  -79.05  242.68  -65.87  144.88
    7.00  -78.40  257.68  -66.88  152.39
    8.00  -78.72  272.68  -69.07  158.27
    9.00  -78.60  287.68  -71.26  164.57
   10.00  -78.71  302.68  -73.88  169.72
   11.00  -78.66  317.68  -76.66  174.48
   12.00  -78.54  332.68  -79.63  178.18
   13.00  -78.07  347.68  -82.78  181.63
   14.00  -77.72    2.68  -86.09  176.35
   15.00  -77.14   17.68  -88.48  109.87
   16.00  -76.84   32.68  -85.51   57.10
   17.00  -76.11   47.68  -81.48   51.88
   18.00  -76.32   62.68  -77.68   59.45
   19.00  -75.42   77.68  -73.49   62.90
   20.00  -74.90   92.68  -69.71   69.30
   21.00  -73.09  107.68  -65.09   73.89
   22.00  -70.77  122.68  -60.24   79.52
   23.00  -69.28  137.68  -56.68   87.39
</PRE>


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