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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>
28 Mar 1997 13:40:14 yearsecs   7479614
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.28  230.01  -49.08  148.19
    1.00  -62.84  245.01  -51.42  158.81
    2.00  -63.40  260.01  -54.12  169.48
    3.00  -63.95  275.01  -57.14  180.25
    4.00  -63.56  290.01  -59.70  192.18
    5.00  -64.84  305.01  -64.21  202.58
    6.00  -65.31  320.01  -68.33  214.97
    7.00  -65.29  335.01  -72.10  230.70
    8.00  -65.90  350.01  -76.14  250.06
    9.00  -65.33    5.01  -78.08  280.30
   10.00  -64.92   20.01  -77.73  316.22
   11.00  -64.73   35.01  -74.93  346.53
   12.00  -64.76   50.01  -71.08    8.23
   13.00  -65.02   65.01  -67.28   25.13
   14.00  -65.50   80.01  -63.95   39.97
   15.00  -66.21   95.01  -61.11   53.72
   16.00  -67.14  110.01  -58.87   66.49
   17.00  -68.30  125.01  -57.41   78.25
   18.00  -68.32  140.01  -55.45   88.10
   19.00  -67.63  155.01  -53.34   97.42
   20.00  -66.27  170.01  -51.05  106.80
   21.00  -65.17  185.01  -49.51  116.68
   22.00  -63.93  200.01  -48.45  126.84
   23.00  -62.75  215.01  -48.13  137.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.63  230.01  -58.75  143.70
    1.00  -73.71  245.01  -61.28  151.52
    2.00  -74.67  260.01  -64.03  158.82
    3.00  -75.64  275.01  -67.08  165.27
    4.00  -78.11  290.01  -71.33  166.80
    5.00  -79.10  305.01  -74.47  169.10
    6.00  -78.64  320.01  -77.10  175.18
    7.00  -78.31  335.01  -80.08  179.85
    8.00  -78.89  350.01  -83.13  173.87
    9.00  -78.62    5.01  -85.98  160.45
   10.00  -78.62   20.01  -86.80  109.19
   11.00  -78.42   35.01  -84.57   74.99
   12.00  -78.05   50.01  -81.25   66.68
   13.00  -77.88   65.01  -77.73   68.09
   14.00  -77.96   80.01  -74.46   73.12
   15.00  -77.54   95.01  -71.17   77.47
   16.00  -77.36  110.01  -68.37   83.43
   17.00  -75.90  125.01  -64.81   87.80
   18.00  -75.66  140.01  -62.76   95.00
   19.00  -76.32  155.01  -62.06  103.22
   20.00  -75.78  170.01  -60.65  110.55
   21.00  -73.99  185.01  -58.38  118.03
   22.00  -73.37  200.01  -57.80  126.38
   23.00  -72.62  215.01  -57.64  135.05
</PRE>


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