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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>
23 Jun 1997 11:12:41 yearsecs  14987561
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.77  265.05  -49.73  177.12
    1.00  -59.12  280.05  -53.67  188.39
    2.00  -60.35  295.05  -57.83  199.71
    3.00  -64.47  310.05  -65.10  207.36
    4.00  -65.57  325.05  -69.84  219.38
    5.00  -66.63  340.05  -74.51  234.02
    6.00  -66.68  355.05  -77.91  256.99
    7.00  -66.71   10.05  -79.93  290.63
    8.00  -67.39   25.05  -79.95  330.08
    9.00  -66.94   40.05  -76.25  358.89
   10.00  -66.52   55.05  -71.71   17.71
   11.00  -66.33   70.05  -67.41   32.53
   12.00  -66.36   85.05  -63.62   45.80
   13.00  -66.61  100.05  -60.40   58.29
   14.00  -67.09  115.05  -57.86   70.05
   15.00  -67.79  130.05  -56.15   81.10
   16.00  -68.08  145.05  -54.67   91.20
   17.00  -67.06  160.05  -52.41  100.46
   18.00  -67.09  175.05  -51.67  110.40
   19.00  -66.98  190.05  -51.30  120.24
   20.00  -65.62  205.05  -50.30  130.15
   21.00  -62.68  220.05  -48.48  140.96
   22.00  -60.46  235.05  -47.92  152.55
   23.00  -58.55  250.05  -48.09  164.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.77  265.05  -54.36  173.71
    1.00  -64.12  280.05  -58.22  183.90
    2.00  -65.35  295.05  -62.37  193.96
    3.00  -69.47  310.05  -69.34  198.70
    4.00  -72.88  325.05  -75.49  200.85
    5.00  -73.25  340.05  -79.49  211.11
    6.00  -72.77  355.05  -83.05  231.41
    7.00  -72.13   10.05  -85.65  276.99
    8.00  -73.30   25.05  -86.13  353.72
    9.00  -73.06   40.05  -82.06   23.53
   10.00  -73.49   55.05  -78.13   40.91
   11.00  -73.27   70.05  -73.91   50.96
   12.00  -73.27   85.05  -70.14   60.68
   13.00  -73.07  100.05  -66.60   69.34
   14.00  -73.26  115.05  -63.90   78.40
   15.00  -72.88  130.05  -61.23   86.41
   16.00  -73.08  145.05  -59.70   95.12
   17.00  -72.06  160.05  -57.45  103.03
   18.00  -72.09  175.05  -56.71  111.86
   19.00  -71.98  190.05  -56.31  120.65
   20.00  -70.62  205.05  -55.20  129.60
   21.00  -67.68  220.05  -53.23  139.61
   22.00  -65.46  235.05  -52.61  150.46
   23.00  -63.55  250.05  -52.78  162.08
</PRE>


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