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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>
19 Jan 1997 13:55:37 yearsecs   1605337
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.45  220.36  -48.29  141.24
    1.00  -63.69  235.36  -51.01  151.47
    2.00  -64.51  250.36  -53.69  161.72
    3.00  -67.56  265.36  -58.68  169.92
    4.00  -67.24  280.36  -61.03  180.74
    5.00  -67.99  295.36  -64.74  190.48
    6.00  -68.05  310.36  -68.27  201.70
    7.00  -68.60  325.36  -72.47  213.34
    8.00  -69.84  340.36  -77.25  225.42
    9.00  -70.21  355.36  -81.17  246.20
   10.00  -69.65   10.36  -83.11  286.80
   11.00  -69.18   25.36  -81.89  334.11
   12.00  -69.00   40.36  -78.37    4.93
   13.00  -69.09   55.36  -74.32   24.60
   14.00  -69.44   70.36  -70.53   39.86
   15.00  -70.06   85.36  -67.24   53.24
   16.00  -70.66  100.36  -64.33   65.01
   17.00  -70.72  115.36  -61.43   74.88
   18.00  -70.83  130.36  -59.17   84.31
   19.00  -70.12  145.36  -56.70   92.88
   20.00  -69.22  160.36  -54.57  101.70
   21.00  -68.42  175.36  -53.00  110.97
   22.00  -66.30  190.36  -50.63  120.39
   23.00  -64.13  205.36  -48.86  130.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.45  220.36  -53.04  139.89
    1.00  -68.69  235.36  -55.63  149.10
    2.00  -69.51  250.36  -58.19  158.24
    3.00  -75.96  265.36  -65.87  159.83
    4.00  -78.15  280.36  -69.79  162.73
    5.00  -78.55  295.36  -72.50  167.65
    6.00  -77.62  310.36  -74.80  176.28
    7.00  -76.26  325.36  -77.38  187.79
    8.00  -76.21  340.36  -80.87  194.42
    9.00  -76.37  355.36  -84.59  197.98
   10.00  -76.21   10.36  -88.41  195.37
   11.00  -76.39   25.36  -87.45   53.70
   12.00  -76.80   40.36  -83.54   55.81
   13.00  -76.67   55.36  -79.66   58.47
   14.00  -76.53   70.36  -75.90   63.67
   15.00  -76.38   85.36  -72.38   69.83
   16.00  -76.24  100.36  -69.19   76.46
   17.00  -76.07  115.36  -66.40   83.34
   18.00  -77.40  130.36  -65.49   92.63
   19.00  -77.77  145.36  -64.27  100.02
   20.00  -76.90  160.36  -62.28  106.35
   21.00  -74.72  175.36  -59.36  112.94
   22.00  -71.30  190.36  -55.63  120.78
   23.00  -69.13  205.36  -53.75  129.98
</PRE>


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