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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>
29 Sep 1997 01:15:04 yearsecs  23418904
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.13   50.91  -72.41   12.02
    1.00  -66.26   65.91  -68.44   28.45
    2.00  -67.02   80.91  -65.34   43.53
    3.00  -67.78   95.91  -62.51   56.93
    4.00  -67.33  110.91  -58.89   67.39
    5.00  -67.92  125.91  -56.89   78.47
    6.00  -67.77  140.91  -54.78   88.27
    7.00  -67.97  155.91  -53.62   98.19
    8.00  -68.78  170.91  -53.54  108.23
    9.00  -69.22  185.91  -53.56  117.83
   10.00  -69.00  200.91  -53.47  127.21
   11.00  -68.82  215.91  -54.01  136.66
   12.00  -68.85  230.91  -55.31  146.16
   13.00  -69.11  245.91  -57.25  155.66
   14.00  -69.60  260.91  -59.77  164.99
   15.00  -70.30  275.91  -62.84  173.92
   16.00  -71.00  290.91  -66.29  182.57
   17.00  -71.22  305.91  -69.73  192.07
   18.00  -71.34  320.91  -73.42  202.52
   19.00  -70.72  335.91  -76.77  217.55
   20.00  -69.89  350.91  -79.89  239.72
   21.00  -69.09    5.91  -82.07  274.97
   22.00  -68.42   20.91  -81.62  320.42
   23.00  -67.40   35.91  -77.78  352.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.13   50.91  -77.47   26.66
    1.00  -72.22   65.91  -74.20   44.36
    2.00  -72.99   80.91  -70.92   57.29
    3.00  -78.28   95.91  -71.50   79.97
    4.00  -80.16  110.91  -70.38   90.40
    5.00  -80.53  125.91  -68.77   96.38
    6.00  -79.83  140.91  -66.63  100.80
    7.00  -78.96  155.91  -64.62  106.04
    8.00  -79.00  170.91  -63.87  112.71
    9.00  -79.01  185.91  -63.50  119.47
   10.00  -78.85  200.91  -63.38  126.27
   11.00  -78.90  215.91  -63.89  133.07
   12.00  -79.16  230.91  -65.01  139.59
   13.00  -78.98  245.91  -66.11  146.37
   14.00  -78.83  260.91  -67.62  153.09
   15.00  -78.65  275.91  -69.48  159.74
   16.00  -78.52  290.91  -71.73  166.05
   17.00  -78.33  305.91  -74.28  172.15
   18.00  -79.33  320.91  -77.46  172.14
   19.00  -79.54  335.91  -80.32  172.17
   20.00  -78.72  350.91  -83.35  174.97
   21.00  -76.89    5.91  -87.12  185.33
   22.00  -74.15   20.91  -87.71  345.07
   23.00  -72.40   35.91  -82.70   12.92
</PRE>


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