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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>
05 Mar 1997 21:38:38 yearsecs   5521118
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.10  110.42  -51.31   58.88
    1.00  -60.78  125.42  -49.52   71.76
    2.00  -61.46  140.42  -48.32   83.66
    3.00  -62.14  155.42  -47.71   95.00
    4.00  -61.22  170.42  -45.92  105.58
    5.00  -62.26  185.42  -46.60  116.59
    6.00  -63.30  200.42  -47.84  127.15
    7.00  -63.89  215.42  -49.25  137.45
    8.00  -64.40  230.42  -51.11  147.70
    9.00  -63.76  245.42  -52.33  158.61
   10.00  -63.40  260.42  -54.18  169.79
   11.00  -63.15  275.42  -56.50  181.29
   12.00  -63.19  290.42  -59.45  192.92
   13.00  -63.45  305.42  -63.05  204.84
   14.00  -63.93  320.42  -67.21  217.62
   15.00  -64.64  335.42  -71.61  232.45
   16.00  -65.57  350.42  -75.92  251.45
   17.00  -66.72    5.42  -79.57  279.01
   18.00  -66.70   20.42  -79.72  317.85
   19.00  -66.06   35.42  -76.39  349.38
   20.00  -64.50   50.42  -70.65    8.26
   21.00  -63.39   65.42  -65.25   22.67
   22.00  -61.86   80.42  -59.64   34.53
   23.00  -60.70   95.42  -54.94   46.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.30  110.42  -65.68   77.59
    1.00  -74.95  125.42  -63.87   86.59
    2.00  -75.80  140.42  -62.84   95.36
    3.00  -76.50  155.42  -62.22  103.59
    4.00  -78.22  170.42  -63.10  112.04
    5.00  -79.24  185.42  -63.74  119.30
    6.00  -79.31  200.42  -63.84  125.98
    7.00  -78.98  215.42  -63.95  132.80
    8.00  -79.56  230.42  -65.37  139.02
    9.00  -79.72  245.42  -66.72  145.21
   10.00  -79.72  260.42  -68.28  151.32
   11.00  -79.51  275.42  -70.02  157.62
   12.00  -79.10  290.42  -72.00  164.22
   13.00  -78.89  305.42  -74.45  169.99
   14.00  -78.65  320.42  -77.19  175.23
   15.00  -78.13  335.42  -80.15  180.98
   16.00  -77.91  350.42  -83.39  182.49
   17.00  -76.88    5.42  -87.01  186.36
   18.00  -76.63   20.42  -88.55   75.12
   19.00  -76.89   35.42  -84.81   56.95
   20.00  -76.37   50.42  -80.84   54.78
   21.00  -75.03   65.42  -76.31   54.82
   22.00  -74.78   80.42  -72.41   62.29
   23.00  -73.87   95.42  -68.28   68.33
</PRE>


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