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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>
12 Apr 1997 12:19:47 yearsecs   8770787
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.41  248.31  -50.55  162.00
    1.00  -62.01  263.31  -53.39  172.95
    2.00  -62.62  278.31  -56.55  184.00
    3.00  -63.22  293.31  -60.09  195.19
    4.00  -62.62  308.31  -63.00  208.41
    5.00  -63.81  323.31  -67.83  220.67
    6.00  -64.50  338.31  -72.18  236.27
    7.00  -64.82  353.31  -75.78  257.85
    8.00  -65.33    8.31  -78.35  287.95
    9.00  -64.70   23.31  -77.11  323.62
   10.00  -64.28   38.31  -73.61  351.28
   11.00  -64.09   53.31  -69.37   10.98
   12.00  -64.13   68.31  -65.37   26.77
   13.00  -64.39   83.31  -61.90   41.00
   14.00  -64.87   98.31  -58.96   54.43
   15.00  -65.58  113.31  -56.63   67.04
   16.00  -66.51  128.31  -55.09   78.75
   17.00  -67.67  143.31  -54.42   89.77
   18.00  -67.67  158.31  -53.14   99.61
   19.00  -67.00  173.31  -51.65  109.23
   20.00  -65.56  188.31  -49.88  118.96
   21.00  -64.46  203.31  -49.09  129.08
   22.00  -63.10  218.31  -48.73  139.64
   23.00  -61.93  233.31  -49.11  150.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.26  248.31  -61.27  153.81
    1.00  -74.17  263.31  -64.07  161.28
    2.00  -75.09  278.31  -67.19  167.98
    3.00  -75.97  293.31  -70.52  173.76
    4.00  -78.05  308.31  -74.60  173.99
    5.00  -79.01  323.31  -77.84  174.16
    6.00  -78.65  338.31  -80.80  177.88
    7.00  -78.05  353.31  -84.00  180.23
    8.00  -78.71    8.31  -86.36  151.50
    9.00  -78.53   23.31  -86.56   97.33
   10.00  -78.44   38.31  -83.86   72.78
   11.00  -78.18   53.31  -80.49   67.74
   12.00  -77.83   68.31  -76.96   68.80
   13.00  -77.68   83.31  -73.62   73.32
   14.00  -77.67   98.31  -70.64   79.20
   15.00  -77.22  113.31  -67.71   84.60
   16.00  -77.06  128.31  -65.43   91.16
   17.00  -75.83  143.31  -62.58   96.86
   18.00  -75.66  158.31  -61.18  104.40
   19.00  -76.25  173.31  -60.98  112.47
   20.00  -75.78  188.31  -60.17  120.08
   21.00  -74.22  203.31  -58.74  128.12
   22.00  -73.84  218.31  -59.02  136.50
   23.00  -73.06  233.31  -59.46  145.35
</PRE>


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