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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
17 Aug 1997 03:14:42 yearsecs  19710882
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.90   23.36  -75.00  322.89
    1.00  -63.31   38.36  -72.42  350.02
    2.00  -63.90   53.36  -69.13   10.71
    3.00  -64.49   68.36  -65.78   27.45
    4.00  -64.21   83.36  -61.68   40.75
    5.00  -65.49   98.36  -59.61   55.34
    6.00  -65.83  113.36  -56.88   67.36
    7.00  -65.88  128.36  -54.43   78.22
    8.00  -66.40  143.36  -53.13   88.92
    9.00  -65.80  158.36  -51.24   98.74
   10.00  -65.38  173.36  -50.01  108.81
   11.00  -65.19  188.36  -49.52  118.96
   12.00  -65.23  203.36  -49.85  129.05
   13.00  -65.49  218.36  -51.01  139.10
   14.00  -65.97  233.36  -52.89  149.08
   15.00  -66.68  248.36  -55.38  158.94
   16.00  -67.61  263.36  -58.40  168.50
   17.00  -68.47  278.36  -61.72  177.87
   18.00  -68.16  293.36  -64.45  188.78
   19.00  -68.07  308.36  -67.80  200.09
   20.00  -66.77  323.36  -70.45  215.43
   21.00  -65.53  338.36  -73.13  234.30
   22.00  -64.38  353.36  -75.36  258.74
   23.00  -63.24    8.36  -76.09  290.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.90   23.36  -80.76  326.52
    1.00  -69.13   38.36  -79.03    2.08
    2.00  -70.17   53.36  -75.92   25.83
    3.00  -71.62   68.36  -73.04   44.33
    4.00  -74.75   83.36  -71.69   63.81
    5.00  -75.39   98.36  -68.91   73.47
    6.00  -75.27  113.36  -66.03   80.89
    7.00  -74.64  128.36  -63.17   87.71
    8.00  -75.92  143.36  -62.67   96.99
    9.00  -75.68  158.36  -61.19  104.44
   10.00  -75.90  173.36  -60.63  112.34
   11.00  -75.79  188.36  -60.18  120.11
   12.00  -75.49  203.36  -60.02  127.97
   13.00  -75.37  218.36  -60.53  135.90
   14.00  -75.61  233.36  -61.86  143.64
   15.00  -75.22  248.36  -63.03  151.91
   16.00  -75.14  263.36  -64.90  159.99
   17.00  -73.47  278.36  -65.91  170.80
   18.00  -73.16  293.36  -68.49  180.06
   19.00  -73.80  308.36  -72.16  187.36
   20.00  -72.97  323.36  -75.13  199.36
   21.00  -70.53  338.36  -77.26  220.78
   22.00  -69.38  353.36  -80.02  245.83
   23.00  -68.24    8.36  -81.45  283.76
</PRE>


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