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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>
20 Jul 1997 20:57:28 yearsecs  17355448
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.73  114.15  -56.63   67.84
    1.00  -65.31  129.15  -53.73   78.28
    2.00  -66.26  144.15  -52.89   89.35
    3.00  -67.19  159.15  -52.60   99.92
    4.00  -66.88  174.15  -51.50  109.75
    5.00  -67.64  189.15  -51.96  119.71
    6.00  -67.61  204.15  -52.21  129.37
    7.00  -67.64  219.15  -53.12  139.05
    8.00  -68.45  234.15  -55.27  148.44
    9.00  -68.42  249.15  -57.05  158.27
   10.00  -68.13  264.15  -58.98  168.55
   11.00  -67.91  279.15  -61.38  179.09
   12.00  -67.95  294.15  -64.44  189.67
   13.00  -68.21  309.15  -68.10  200.46
   14.00  -68.70  324.15  -72.23  212.00
   15.00  -69.40  339.15  -76.60  225.40
   16.00  -70.22  354.15  -80.91  243.91
   17.00  -70.79    9.15  -84.19  279.49
   18.00  -70.73   24.15  -83.75  334.89
   19.00  -70.16   39.15  -79.85    7.09
   20.00  -69.24   54.15  -74.81   23.72
   21.00  -68.34   69.15  -69.77   36.09
   22.00  -67.54   84.15  -65.07   47.21
   23.00  -66.68   99.15  -60.67   57.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.72  114.15  -64.49   78.64
    1.00  -74.69  129.15  -63.11   88.19
    2.00  -75.51  144.15  -62.19   96.95
    3.00  -79.58  159.15  -65.03  108.02
    4.00  -81.36  174.15  -66.16  115.48
    5.00  -81.69  189.15  -66.25  121.36
    6.00  -81.18  204.15  -65.83  127.20
    7.00  -80.60  219.15  -65.73  133.49
    8.00  -80.86  234.15  -66.85  139.26
    9.00  -80.77  249.15  -67.98  145.16
   10.00  -80.83  264.15  -69.57  150.56
   11.00  -80.70  279.15  -71.31  155.98
   12.00  -80.76  294.15  -73.46  160.24
   13.00  -80.57  309.15  -75.72  164.43
   14.00  -80.44  324.15  -78.21  166.96
   15.00  -80.18  339.15  -80.84  167.57
   16.00  -80.17  354.15  -83.32  160.40
   17.00  -79.92    9.15  -85.31  140.67
   18.00  -80.43   24.15  -84.68  108.40
   19.00  -80.30   39.15  -82.91   88.33
   20.00  -79.47   54.15  -80.34   76.32
   21.00  -77.83   69.15  -76.77   69.04
   22.00  -75.83   84.15  -72.27   67.50
   23.00  -74.47   99.15  -67.99   71.77
</PRE>


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