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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>
26 Mar 1997 19:06:23 yearsecs   7326383
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.30  145.10  -48.72   87.59
    1.00  -62.85  160.10  -48.12   98.67
    2.00  -63.41  175.10  -47.96  109.50
    3.00  -63.96  190.10  -48.29  120.03
    4.00  -63.58  205.10  -48.31  130.37
    5.00  -64.86  220.10  -50.55  140.44
    6.00  -65.32  235.10  -52.48  150.56
    7.00  -65.30  250.10  -54.38  161.03
    8.00  -65.98  265.10  -57.24  171.16
    9.00  -65.34  280.10  -59.31  182.68
   10.00  -64.96  295.10  -62.04  194.50
   11.00  -64.74  310.10  -65.35  207.01
   12.00  -64.77  325.10  -69.15  220.86
   13.00  -65.03  340.10  -73.09  237.53
   14.00  -65.51  355.10  -76.79  259.67
   15.00  -66.22   10.10  -79.41  291.31
   16.00  -67.15   25.10  -79.67  329.89
   17.00  -68.31   40.10  -77.72    2.41
   18.00  -68.33   55.10  -73.63   22.19
   19.00  -67.64   70.10  -68.80   35.35
   20.00  -66.28   85.10  -63.53   45.71
   21.00  -65.18  100.10  -58.90   56.30
   22.00  -63.94  115.10  -54.59   66.61
   23.00  -62.76  130.10  -50.94   76.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.47  145.10  -59.08   94.61
    1.00  -73.53  160.10  -58.92  103.93
    2.00  -74.48  175.10  -59.13  112.71
    3.00  -75.45  190.10  -59.83  120.98
    4.00  -77.94  205.10  -62.54  128.38
    5.00  -78.92  220.10  -64.11  134.95
    6.00  -78.42  235.10  -64.64  142.15
    7.00  -77.82  250.10  -65.52  149.76
    8.00  -78.71  265.10  -68.05  155.10
    9.00  -78.47  280.10  -69.98  161.87
   10.00  -78.50  295.10  -72.43  167.68
   11.00  -78.29  310.10  -75.05  173.72
   12.00  -78.04  325.10  -77.96  179.33
   13.00  -77.88  340.10  -81.13  183.17
   14.00  -77.97  355.10  -84.40  180.14
   15.00  -77.55   10.10  -87.58  160.21
   16.00  -77.38   25.10  -87.13   75.72
   17.00  -75.93   40.10  -83.46   47.26
   18.00  -75.70   55.10  -79.36   52.61
   19.00  -76.35   70.10  -75.87   62.79
   20.00  -75.79   85.10  -72.03   67.85
   21.00  -73.95  100.10  -67.36   71.19
   22.00  -73.30  115.10  -63.93   78.49
   23.00  -72.51  130.10  -60.87   86.01
</PRE>


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