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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Aug 1997 04:24:00 yearsecs  20665440
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.91    5.66  -71.24  287.94
    1.00  -59.50   20.66  -71.33  316.96
    2.00  -60.09   35.66  -69.05  342.69
    3.00  -60.68   50.66  -65.78    2.91
    4.00  -60.13   65.66  -61.05   18.10
    5.00  -61.08   80.66  -58.63   33.66
    6.00  -62.43   95.66  -56.87   48.90
    7.00  -63.40  110.66  -54.85   62.55
    8.00  -63.64  125.66  -52.51   74.31
    9.00  -63.00  140.66  -49.90   84.80
   10.00  -62.58  155.66  -48.14   95.37
   11.00  -62.39  170.66  -47.10  106.08
   12.00  -62.43  185.66  -46.76  116.78
   13.00  -62.68  200.66  -47.25  127.34
   14.00  -63.16  215.66  -48.58  137.77
   15.00  -63.87  230.66  -50.64  148.07
   16.00  -64.80  245.66  -53.32  158.20
   17.00  -64.51  260.66  -55.22  169.15
   18.00  -64.06  275.66  -57.35  180.64
   19.00  -63.87  290.66  -60.11  192.35
   20.00  -63.12  305.66  -62.81  205.48
   21.00  -61.31  320.66  -64.85  221.64
   22.00  -60.74  335.66  -67.99  238.91
   23.00  -59.43  350.66  -69.87  261.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.65    5.66  -77.42  282.70
    1.00  -65.37   20.66  -78.19  317.89
    2.00  -66.32   35.66  -76.63  350.29
    3.00  -66.92   50.66  -73.36   13.48
    4.00  -68.80   65.66  -71.18   34.04
    5.00  -70.06   80.66  -68.42   49.69
    6.00  -70.73   95.66  -65.43   61.95
    7.00  -70.00  110.66  -61.59   70.82
    8.00  -70.73  125.66  -59.74   81.32
    9.00  -71.12  140.66  -58.20   90.83
   10.00  -70.89  155.66  -56.59   99.72
   11.00  -70.62  170.66  -55.41  108.73
   12.00  -70.44  185.66  -54.79  117.84
   13.00  -70.46  200.66  -54.91  126.96
   14.00  -70.49  215.66  -55.60  136.06
   15.00  -70.12  230.66  -56.46  145.40
   16.00  -70.30  245.66  -58.29  154.65
   17.00  -69.51  260.66  -59.65  164.91
   18.00  -69.06  275.66  -61.73  175.32
   19.00  -68.87  290.66  -64.48  185.82
   20.00  -68.12  305.66  -67.19  197.93
   21.00  -66.31  320.66  -69.37  213.78
   22.00  -66.03  335.66  -72.91  229.97
   23.00  -64.43  350.66  -74.88  254.11
</PRE>


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