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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>
24 Jul 1997 15:04:40 yearsecs  17679880
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.64  214.32  -46.05  137.29
    1.00  -61.51  229.32  -48.27  147.96
    2.00  -62.35  244.32  -50.88  158.56
    3.00  -63.20  259.32  -53.83  169.12
    4.00  -62.75  274.32  -55.93  180.81
    5.00  -63.94  289.32  -59.90  191.22
    6.00  -65.38  304.32  -64.52  201.26
    7.00  -66.45  319.32  -69.15  212.29
    8.00  -67.11  334.32  -73.52  226.02
    9.00  -66.41  349.32  -76.47  247.78
   10.00  -65.62    4.32  -78.30  278.33
   11.00  -65.09   19.32  -77.99  314.66
   12.00  -64.82   34.32  -75.20  345.48
   13.00  -64.79   49.32  -71.29    7.43
   14.00  -64.99   64.32  -67.43   24.40
   15.00  -65.42   79.32  -64.03   39.22
   16.00  -66.08   94.32  -61.13   52.97
   17.00  -66.94  109.32  -58.80   65.74
   18.00  -66.65  124.32  -55.83   76.12
   19.00  -65.49  139.32  -52.62   85.52
   20.00  -63.70  154.32  -49.38   94.94
   21.00  -63.02  169.32  -47.80  105.31
   22.00  -61.81  184.32  -46.16  115.75
   23.00  -61.01  199.32  -45.55  126.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.41  214.32  -56.42  135.00
    1.00  -72.33  229.32  -58.41  143.46
    2.00  -73.42  244.32  -60.94  151.38
    3.00  -74.26  259.32  -63.58  158.96
    4.00  -76.08  274.32  -67.31  164.15
    5.00  -77.31  289.32  -70.70  168.58
    6.00  -77.51  304.32  -73.56  174.32
    7.00  -77.09  319.32  -76.40  181.74
    8.00  -77.62  334.32  -79.82  183.89
    9.00  -77.59  349.32  -83.17  185.59
   10.00  -77.20    4.32  -86.65  182.08
   11.00  -76.73   19.32  -88.68   86.39
   12.00  -76.30   34.32  -85.08   49.54
   13.00  -76.03   49.32  -81.02   52.01
   14.00  -75.72   64.32  -76.97   57.30
   15.00  -75.06   79.32  -72.87   62.59
   16.00  -74.77   94.32  -69.25   69.85
   17.00  -73.58  109.32  -65.22   75.68
   18.00  -73.00  124.32  -62.17   83.31
   19.00  -72.77  139.32  -59.99   91.58
   20.00  -71.86  154.32  -57.66   99.53
   21.00  -71.16  169.32  -56.02  108.12
   22.00  -71.45  184.32  -55.83  117.20
   23.00  -70.71  199.32  -55.13  126.14
</PRE>


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