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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>
31 Oct 1997 21:56:54 yearsecs  26258214
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.00  100.60  -59.65   57.84
    1.00  -65.59  115.60  -56.22   68.75
    2.00  -66.52  130.60  -54.77   80.33
    3.00  -67.43  145.60  -53.96   91.11
    4.00  -67.11  160.60  -52.42  100.85
    5.00  -67.82  175.60  -52.39  110.96
    6.00  -67.70  190.60  -52.02  120.65
    7.00  -67.77  205.60  -52.42  130.29
    8.00  -68.77  220.60  -54.31  139.63
    9.00  -69.06  235.60  -55.99  149.06
   10.00  -69.13  250.60  -57.88  158.69
   11.00  -68.72  265.60  -59.74  168.95
   12.00  -68.63  280.60  -62.27  179.21
   13.00  -68.80  295.60  -65.47  189.40
   14.00  -69.21  310.60  -69.27  199.66
   15.00  -69.85  325.60  -73.50  210.43
   16.00  -70.61  340.60  -77.89  222.98
   17.00  -71.15  355.60  -82.00  242.21
   18.00  -71.06   10.60  -84.61  283.80
   19.00  -70.48   25.60  -83.24  338.44
   20.00  -69.53   40.60  -78.84    7.06
   21.00  -68.60   55.60  -73.77   23.48
   22.00  -67.78   70.60  -68.80   36.10
   23.00  -66.93   85.60  -64.09   47.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.27  100.60  -64.85   66.25
    1.00  -72.26  115.60  -62.87   77.21
    2.00  -73.06  130.60  -61.34   86.94
    3.00  -77.69  145.60  -64.18  100.04
    4.00  -79.66  160.60  -65.02  108.71
    5.00  -79.90  175.60  -64.63  115.26
    6.00  -79.02  190.60  -63.48  121.59
    7.00  -78.58  205.60  -63.21  128.47
    8.00  -79.19  220.60  -64.41  135.01
    9.00  -79.36  235.60  -65.56  141.45
   10.00  -79.70  250.60  -67.21  147.37
   11.00  -79.84  265.60  -68.99  153.13
   12.00  -79.84  280.60  -70.97  158.71
   13.00  -79.56  295.60  -73.09  164.59
   14.00  -79.42  310.60  -75.60  169.46
   15.00  -79.14  325.60  -78.31  173.88
   16.00  -79.14  340.60  -81.24  174.42
   17.00  -78.87  355.60  -84.21  170.61
   18.00  -79.45   10.60  -85.87  139.75
   19.00  -79.23   25.60  -85.66   97.86
   20.00  -78.23   40.60  -83.40   69.66
   21.00  -76.29   55.60  -79.47   56.31
   22.00  -73.91   70.60  -74.23   53.56
   23.00  -72.22   85.60  -69.13   58.37
</PRE>


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