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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 Feb 1997 02:40:40 yearsecs   4848040
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.57   35.38  -72.25  344.51
    1.00  -63.11   50.38  -68.97    5.92
    2.00  -63.65   65.38  -65.57   23.08
    3.00  -64.19   80.38  -62.38   38.07
    4.00  -63.87   95.38  -58.53   50.60
    5.00  -65.18  110.38  -56.78   64.36
    6.00  -65.56  125.38  -54.55   75.83
    7.00  -65.70  140.38  -52.72   86.40
    8.00  -66.17  155.38  -51.83   96.89
    9.00  -65.53  170.38  -50.29  106.82
   10.00  -65.12  185.38  -49.46  116.93
   11.00  -64.93  200.38  -49.44  127.06
   12.00  -64.97  215.38  -50.28  137.20
   13.00  -65.23  230.38  -51.88  147.36
   14.00  -65.71  245.38  -54.11  157.48
   15.00  -66.42  260.38  -56.88  167.46
   16.00  -67.35  275.38  -60.20  177.10
   17.00  -68.51  290.38  -64.11  186.16
   18.00  -68.41  305.38  -67.37  197.19
   19.00  -67.84  320.38  -70.59  210.50
   20.00  -66.50  335.38  -73.26  228.61
   21.00  -65.40  350.38  -75.75  251.74
   22.00  -64.21    5.38  -76.93  282.62
   23.00  -63.02   20.38  -75.51  316.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.01   35.38  -79.64  356.35
    1.00  -70.23   50.38  -76.81   22.69
    2.00  -71.26   65.38  -73.54   40.76
    3.00  -72.34   80.38  -70.51   55.16
    4.00  -75.36   95.38  -69.49   71.85
    5.00  -75.88  110.38  -67.07   80.53
    6.00  -75.73  125.38  -64.60   87.72
    7.00  -75.09  140.38  -62.16   94.55
    8.00  -76.34  155.38  -62.06  103.43
    9.00  -76.09  170.38  -60.95  110.89
   10.00  -76.25  185.38  -60.69  118.65
   11.00  -76.14  200.38  -60.61  126.33
   12.00  -75.80  215.38  -60.78  134.16
   13.00  -75.68  230.38  -61.67  142.04
   14.00  -75.91  245.38  -63.31  149.64
   15.00  -75.50  260.38  -64.79  157.92
   16.00  -75.37  275.38  -66.92  165.95
   17.00  -73.69  290.38  -68.30  177.27
   18.00  -73.41  305.38  -71.23  186.61
   19.00  -74.16  320.38  -75.15  193.39
   20.00  -73.44  335.38  -78.41  206.38
   21.00  -71.14  350.38  -80.74  233.47
   22.00  -70.22    5.38  -83.12  269.75
   23.00  -69.22   20.38  -82.56  319.69
</PRE>


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