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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>
17 Mar 1997 12:31:21 yearsecs   6525081
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.69  245.83  -52.32  158.95
    1.00  -63.72  260.83  -54.54  169.86
    2.00  -64.52  275.83  -57.79  180.33
    3.00  -65.31  290.83  -61.43  190.77
    4.00  -65.07  305.83  -64.61  202.93
    5.00  -66.22  320.83  -69.33  214.12
    6.00  -66.46  335.83  -73.33  229.24
    7.00  -66.52  350.83  -76.89  249.99
    8.00  -67.01    5.83  -79.92  279.50
    9.00  -66.51   20.83  -79.47  318.81
   10.00  -66.10   35.83  -76.33  350.16
   11.00  -65.91   50.83  -72.18   11.46
   12.00  -65.94   65.83  -68.11   27.72
   13.00  -66.20   80.83  -64.49   41.93
   14.00  -66.68   95.83  -61.41   55.11
   15.00  -67.39  110.83  -58.96   67.40
   16.00  -68.32  125.83  -57.30   78.82
   17.00  -69.38  140.83  -56.42   89.47
   18.00  -69.29  155.83  -54.96   98.87
   19.00  -68.67  170.83  -53.43  108.14
   20.00  -67.48  185.83  -51.81  117.54
   21.00  -66.42  200.83  -50.92  127.30
   22.00  -65.35  215.83  -50.68  137.42
   23.00  -64.15  230.83  -50.93  148.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.69  245.83  -56.86  155.90
    1.00  -69.84  260.83  -59.97  164.70
    2.00  -70.86  275.83  -63.30  173.13
    3.00  -73.54  290.83  -68.28  177.82
    4.00  -76.34  305.83  -73.21  178.69
    5.00  -77.05  320.83  -76.71  182.46
    6.00  -76.24  335.83  -79.80  192.35
    7.00  -75.68  350.83  -83.32  203.20
    8.00  -76.68    5.83  -87.17  189.90
    9.00  -76.45   20.83  -88.56   66.38
   10.00  -76.72   35.83  -84.71   54.89
   11.00  -76.55   50.83  -80.78   56.14
   12.00  -76.43   65.83  -76.95   61.29
   13.00  -76.25   80.83  -73.30   67.30
   14.00  -76.40   95.83  -70.20   74.74
   15.00  -76.05  110.83  -67.13   81.09
   16.00  -76.11  125.83  -64.88   88.51
   17.00  -75.02  140.83  -62.04   94.71
   18.00  -75.04  155.83  -60.74  102.64
   19.00  -75.22  170.83  -60.04  110.71
   20.00  -74.27  185.83  -58.66  118.53
   21.00  -71.97  200.83  -56.42  126.96
   22.00  -70.47  215.83  -55.60  136.16
   23.00  -69.15  230.83  -55.58  145.97
</PRE>


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