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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 Jul 1997 11:50:32 yearsecs  16890632
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.94  257.25  -47.65  171.32
    1.00  -57.27  272.25  -50.51  183.33
    2.00  -57.58  287.25  -53.62  195.67
    3.00  -57.87  302.25  -57.09  208.40
    4.00  -58.16  317.25  -60.96  222.04
    5.00  -58.85  332.25  -65.32  237.22
    6.00  -60.72  347.25  -70.53  254.52
    7.00  -62.00    2.25  -74.28  278.67
    8.00  -62.10   17.25  -74.72  310.03
    9.00  -61.55   32.25  -71.72  338.48
   10.00  -61.21   47.25  -67.42  359.51
   11.00  -61.09   62.25  -63.19   15.97
   12.00  -61.17   77.25  -59.54   30.63
   13.00  -61.47   92.25  -56.50   44.65
   14.00  -61.98  107.25  -53.98   58.19
   15.00  -62.71  122.25  -52.07   70.92
   16.00  -63.66  137.25  -50.97   82.78
   17.00  -64.83  152.25  -50.70   94.05
   18.00  -65.08  167.25  -49.98  104.53
   19.00  -63.71  182.25  -48.09  114.57
   20.00  -62.04  197.25  -46.51  124.95
   21.00  -60.83  212.25  -46.08  135.75
   22.00  -58.99  227.25  -45.63  147.23
   23.00  -57.87  242.25  -46.34  159.07
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.87  257.25  -62.09  159.37
    1.00  -73.77  272.25  -65.12  166.84
    2.00  -74.63  287.25  -68.42  173.63
    3.00  -75.12  302.25  -71.71  180.44
    4.00  -75.85  317.25  -75.37  185.68
    5.00  -76.90  332.25  -79.18  187.37
    6.00  -77.22  347.25  -82.69  188.79
    7.00  -76.29    2.25  -86.32  199.38
    8.00  -76.23   17.25  -89.44   92.22
    9.00  -76.49   32.25  -85.64   52.17
   10.00  -75.99   47.25  -81.55   50.78
   11.00  -75.64   62.25  -77.46   55.89
   12.00  -75.41   77.25  -73.59   62.65
   13.00  -75.21   92.25  -70.04   69.86
   14.00  -75.19  107.25  -67.03   77.58
   15.00  -74.99  122.25  -64.36   85.00
   16.00  -75.29  137.25  -62.69   93.15
   17.00  -75.47  152.25  -61.43  101.10
   18.00  -75.14  167.25  -60.13  108.77
   19.00  -74.29  182.25  -58.74  116.57
   20.00  -74.01  197.25  -58.40  124.80
   21.00  -73.33  212.25  -58.19  133.27
   22.00  -73.47  227.25  -59.31  141.66
   23.00  -72.70  242.25  -60.05  150.77
</PRE>


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