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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>
13 Oct 1997 22:14:00 yearsecs  24704040
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.12   95.78  -58.71   51.28
    1.00  -63.88  110.78  -55.33   63.17
    2.00  -64.76  125.78  -53.66   75.38
    3.00  -65.64  140.78  -52.61   86.63
    4.00  -65.42  155.78  -51.03   96.79
    5.00  -66.50  170.78  -51.25  107.39
    6.00  -66.71  185.78  -51.05  117.40
    7.00  -66.57  200.78  -51.06  127.26
    8.00  -67.24  215.78  -52.49  136.96
    9.00  -66.79  230.78  -53.38  146.99
   10.00  -66.40  245.78  -54.79  157.34
   11.00  -66.19  260.78  -56.74  167.92
   12.00  -66.22  275.78  -59.29  178.59
   13.00  -66.48  290.78  -62.45  189.25
   14.00  -66.96  305.78  -66.24  199.97
   15.00  -67.67  320.78  -70.55  211.22
   16.00  -68.60  335.78  -75.11  223.90
   17.00  -69.63  350.78  -79.64  240.50
   18.00  -69.50    5.78  -82.46  273.37
   19.00  -68.91   20.78  -82.17  320.54
   20.00  -67.76   35.78  -78.21  353.60
   21.00  -66.72   50.78  -73.11   13.15
   22.00  -65.68   65.78  -67.83   27.15
   23.00  -64.72   80.78  -62.88   39.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.70   95.78  -67.20   65.99
    1.00  -73.75  110.78  -65.11   76.80
    2.00  -74.71  125.78  -63.59   86.43
    3.00  -77.37  140.78  -64.31   97.40
    4.00  -79.61  155.78  -65.26  106.62
    5.00  -80.19  170.78  -65.09  113.39
    6.00  -79.65  185.78  -64.17  119.55
    7.00  -79.16  200.78  -63.69  126.16
    8.00  -79.80  215.78  -64.78  132.55
    9.00  -79.57  230.78  -65.40  139.16
   10.00  -79.69  245.78  -66.72  145.39
   11.00  -79.53  260.78  -68.17  151.82
   12.00  -79.39  275.78  -69.98  158.03
   13.00  -79.13  290.78  -72.08  164.26
   14.00  -79.14  305.78  -74.62  169.20
   15.00  -78.77  320.78  -77.29  174.74
   16.00  -78.79  335.78  -80.28  176.90
   17.00  -77.98  350.78  -83.46  181.73
   18.00  -78.02    5.78  -86.52  166.28
   19.00  -78.04   20.78  -87.31  101.28
   20.00  -77.23   35.78  -84.69   60.91
   21.00  -75.39   50.78  -80.37   48.46
   22.00  -74.07   65.78  -75.60   51.07
   23.00  -73.01   80.78  -70.96   57.25
</PRE>


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