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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>
20 Aug 1997 23:04:28 yearsecs  20041468
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.94   83.98  -63.43   44.16
    1.00  -65.60   98.98  -59.59   55.99
    2.00  -66.50  113.98  -57.46   68.59
    3.00  -67.39  128.98  -55.89   80.02
    4.00  -67.05  143.98  -53.72   89.77
    5.00  -67.75  158.98  -53.18  100.08
    6.00  -67.68  173.98  -52.30  109.86
    7.00  -67.80  188.98  -52.12  119.61
    8.00  -68.71  203.98  -53.29  129.16
    9.00  -68.86  218.98  -54.27  138.58
   10.00  -68.64  233.98  -55.43  148.23
   11.00  -68.35  248.98  -56.97  158.20
   12.00  -68.35  263.98  -59.15  168.22
   13.00  -68.59  278.98  -61.93  178.15
   14.00  -69.05  293.98  -65.33  187.86
   15.00  -69.74  308.98  -69.30  197.36
   16.00  -70.51  323.98  -73.58  207.26
   17.00  -70.99  338.98  -77.75  219.78
   18.00  -70.96  353.98  -81.47  240.18
   19.00  -70.37    8.98  -83.74  280.32
   20.00  -69.46   23.98  -82.41  330.86
   21.00  -68.58   38.98  -78.29    1.38
   22.00  -67.80   53.98  -73.39   19.54
   23.00  -66.93   68.98  -68.35   32.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.56   83.98  -68.96   55.68
    1.00  -72.60   98.98  -66.41   67.75
    2.00  -73.42  113.98  -64.24   78.06
    3.00  -78.14  128.98  -66.34   93.19
    4.00  -80.08  143.98  -66.60  102.37
    5.00  -80.38  158.98  -65.83  108.72
    6.00  -80.16  173.98  -64.95  114.71
    7.00  -79.78  188.98  -64.27  120.97
    8.00  -80.35  203.98  -64.97  127.33
    9.00  -80.67  218.98  -65.79  133.37
   10.00  -80.69  233.98  -66.67  139.38
   11.00  -80.41  248.98  -67.65  145.65
   12.00  -80.42  263.98  -69.23  151.35
   13.00  -80.10  278.98  -70.91  157.46
   14.00  -79.90  293.98  -73.01  162.99
   15.00  -79.60  308.98  -75.37  168.33
   16.00  -79.52  323.98  -78.07  171.68
   17.00  -79.21  338.98  -80.92  174.06
   18.00  -79.72  353.98  -83.54  164.23
   19.00  -79.52    8.98  -85.69  143.37
   20.00  -78.51   23.98  -86.49   95.18
   21.00  -76.55   38.98  -83.88   53.14
   22.00  -74.13   53.98  -78.83   43.28
   23.00  -72.54   68.98  -73.62   47.73
</PRE>


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