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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>
18 Sep 1997 10:24:04 yearsecs  22501444
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.21  274.13  -50.80  184.92
    1.00  -57.47  289.13  -53.89  197.36
    2.00  -57.69  304.13  -57.34  210.26
    3.00  -57.89  319.13  -61.15  224.21
    4.00  -58.06  334.13  -64.96  240.35
    5.00  -58.60  349.13  -68.74  259.80
    6.00  -60.31    4.13  -72.65  283.95
    7.00  -61.50   19.13  -73.87  313.99
    8.00  -61.75   34.13  -71.52  341.71
    9.00  -61.36   49.13  -67.09    1.96
   10.00  -61.14   64.13  -62.77   17.96
   11.00  -61.12   79.13  -59.04   32.30
   12.00  -61.29   94.13  -55.89   46.08
   13.00  -61.65  109.13  -53.26   59.40
   14.00  -62.22  124.13  -51.25   71.94
   15.00  -63.00  139.13  -50.06   83.69
   16.00  -63.98  154.13  -49.68   94.94
   17.00  -65.16  169.13  -49.97  105.85
   18.00  -65.44  184.13  -49.79  116.13
   19.00  -64.12  199.13  -48.60  126.24
   20.00  -62.44  214.13  -47.77  136.83
   21.00  -61.21  229.13  -47.97  147.92
   22.00  -59.34  244.13  -48.01  159.87
   23.00  -58.19  259.13  -49.15  172.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.93  274.13  -61.35  174.45
    1.00  -69.82  289.13  -64.95  183.33
    2.00  -70.65  304.13  -68.89  192.03
    3.00  -71.01  319.13  -72.74  202.04
    4.00  -71.84  334.13  -77.10  211.85
    5.00  -73.19  349.13  -81.79  220.56
    6.00  -73.68    4.13  -85.88  241.79
    7.00  -72.73   19.13  -86.51  322.27
    8.00  -72.86   34.13  -83.53   12.93
    9.00  -73.37   49.13  -79.70   35.27
   10.00  -72.92   64.13  -75.22   45.50
   11.00  -72.66   79.13  -71.09   55.20
   12.00  -72.53   94.13  -67.42   64.60
   13.00  -72.44  109.13  -64.21   73.62
   14.00  -72.54  124.13  -61.75   82.60
   15.00  -72.43  139.13  -59.67   91.14
   16.00  -72.88  154.13  -58.70  100.12
   17.00  -73.10  169.13  -57.98  108.82
   18.00  -72.60  184.13  -56.99  117.29
   19.00  -71.48  199.13  -55.89  125.99
   20.00  -71.02  214.13  -56.03  134.99
   21.00  -70.05  229.13  -56.25  144.48
   22.00  -70.05  244.13  -57.88  153.86
   23.00  -68.93  259.13  -58.91  164.45
</PRE>


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