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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 Mar 1997 12:32:00 yearsecs   6525120
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.71  245.68  -52.32  158.82
    1.00  -63.72  260.68  -54.51  169.75
    2.00  -64.52  275.68  -57.76  180.22
    3.00  -65.31  290.68  -61.40  190.66
    4.00  -65.07  305.68  -64.57  202.80
    5.00  -66.22  320.68  -69.29  213.97
    6.00  -66.46  335.68  -73.29  229.05
    7.00  -66.51  350.68  -76.86  249.74
    8.00  -67.01    5.68  -79.90  279.12
    9.00  -66.51   20.68  -79.49  318.41
   10.00  -66.10   35.68  -76.37  349.89
   11.00  -65.91   50.68  -72.22   11.27
   12.00  -65.94   65.68  -68.15   27.57
   13.00  -66.20   80.68  -64.53   41.79
   14.00  -66.68   95.68  -61.45   54.98
   15.00  -67.39  110.68  -58.99   67.29
   16.00  -68.32  125.68  -57.33   78.71
   17.00  -69.38  140.68  -56.44   89.37
   18.00  -69.29  155.68  -54.97   98.77
   19.00  -68.67  170.68  -53.44  108.04
   20.00  -67.48  185.68  -51.81  117.44
   21.00  -66.42  200.68  -50.92  127.20
   22.00  -65.35  215.68  -50.67  137.32
   23.00  -64.17  230.68  -50.93  147.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.71  245.68  -56.86  155.78
    1.00  -69.87  260.68  -59.97  164.58
    2.00  -70.89  275.68  -63.30  173.00
    3.00  -73.57  290.68  -68.27  177.68
    4.00  -76.36  305.68  -73.19  178.55
    5.00  -77.08  320.68  -76.69  182.29
    6.00  -76.28  335.68  -79.77  192.11
    7.00  -75.70  350.68  -83.29  202.87
    8.00  -76.70    5.68  -87.12  189.62
    9.00  -76.47   20.68  -88.59   67.93
   10.00  -76.74   35.68  -84.75   55.11
   11.00  -76.56   50.68  -80.83   56.19
   12.00  -76.44   65.68  -77.00   61.29
   13.00  -76.26   80.68  -73.34   67.27
   14.00  -76.41   95.68  -70.24   74.70
   15.00  -76.05  110.68  -67.17   81.03
   16.00  -76.11  125.68  -64.91   88.45
   17.00  -75.03  140.68  -62.07   94.64
   18.00  -75.05  155.68  -60.75  102.56
   19.00  -75.23  170.68  -60.06  110.63
   20.00  -74.28  185.68  -58.67  118.45
   21.00  -71.99  200.68  -56.43  126.86
   22.00  -70.49  215.68  -55.61  136.06
   23.00  -69.17  230.68  -55.58  145.86
</PRE>


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