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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>
10 Sep 1997 12:06:04 yearsecs  21816364
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.14  250.23  -49.63  164.13
    1.00  -60.81  265.23  -52.60  175.27
    2.00  -61.49  280.23  -55.88  186.53
    3.00  -62.17  295.23  -59.55  197.93
    4.00  -61.25  310.23  -62.19  211.85
    5.00  -62.30  325.23  -66.92  224.94
    6.00  -63.33  340.23  -71.54  240.82
    7.00  -63.89  355.23  -75.21  262.88
    8.00  -64.42   10.23  -77.45  293.35
    9.00  -63.78   25.23  -75.75  327.14
   10.00  -63.36   40.23  -72.01  352.89
   11.00  -63.17   55.23  -67.72   11.63
   12.00  -63.21   70.23  -63.78   27.08
   13.00  -63.47   85.23  -60.40   41.26
   14.00  -63.95  100.23  -57.56   54.76
   15.00  -64.66  115.23  -55.32   67.47
   16.00  -65.59  130.23  -53.87   79.28
   17.00  -66.75  145.23  -53.29   90.41
   18.00  -66.72  160.23  -52.05  100.42
   19.00  -66.08  175.23  -50.65  110.26
   20.00  -64.53  190.23  -48.85  120.17
   21.00  -63.42  205.23  -48.16  130.48
   22.00  -61.89  220.23  -47.74  141.29
   23.00  -60.73  235.23  -48.20  152.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.04  250.23  -57.75  158.52
    1.00  -69.69  265.23  -60.52  167.71
    2.00  -70.60  280.23  -63.88  176.31
    3.00  -71.32  295.23  -67.45  184.80
    4.00  -73.49  310.23  -72.36  189.33
    5.00  -74.67  325.23  -76.58  194.42
    6.00  -74.48  340.23  -80.18  204.82
    7.00  -73.98  355.23  -83.81  222.20
    8.00  -74.76   10.23  -88.02  245.75
    9.00  -74.87   25.23  -87.21   17.51
   10.00  -74.74   40.23  -83.00   36.47
   11.00  -74.46   55.23  -78.68   45.87
   12.00  -74.19   70.23  -74.52   54.35
   13.00  -74.18   85.23  -70.82   63.23
   14.00  -74.10  100.23  -67.46   71.58
   15.00  -73.62  115.23  -64.21   79.08
   16.00  -73.54  130.23  -61.86   87.31
   17.00  -72.35  145.23  -58.95   94.59
   18.00  -72.20  160.23  -57.58  103.22
   19.00  -72.63  175.23  -57.25  112.15
   20.00  -72.00  190.23  -56.33  120.76
   21.00  -70.27  205.23  -54.87  129.76
   22.00  -69.97  220.23  -55.43  139.01
   23.00  -68.69  235.23  -55.61  149.02
</PRE>


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