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    <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>
21 Apr 1997 15:33:29 yearsecs   9560009
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.68  202.73  -46.35  128.84
    1.00  -62.27  217.73  -47.88  139.41
    2.00  -62.86  232.73  -49.92  149.93
    3.00  -63.45  247.73  -52.36  160.45
    4.00  -62.91  262.73  -54.11  171.86
    5.00  -64.12  277.73  -57.79  182.14
    6.00  -64.75  292.73  -61.33  192.93
    7.00  -64.90  307.73  -64.92  204.76
    8.00  -65.53  322.73  -69.22  217.17
    9.00  -64.90  337.73  -72.41  234.77
   10.00  -64.48  352.73  -75.34  257.47
   11.00  -64.29    7.73  -77.19  287.74
   12.00  -64.32   22.73  -76.75  322.15
   13.00  -64.58   37.73  -74.11  350.80
   14.00  -65.06   52.73  -70.68   12.05
   15.00  -65.77   67.73  -67.41   29.23
   16.00  -66.70   82.73  -64.56   44.47
   17.00  -67.86   97.73  -62.19   58.43
   18.00  -67.87  112.73  -59.09   69.37
   19.00  -67.20  127.73  -55.88   78.99
   20.00  -65.78  142.73  -52.55   88.07
   21.00  -64.67  157.73  -50.13   97.78
   22.00  -63.35  172.73  -47.99  107.82
   23.00  -62.18  187.73  -46.51  118.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.22  202.73  -57.72  127.92
    1.00  -74.17  217.73  -59.31  136.05
    2.00  -75.09  232.73  -61.31  143.68
    3.00  -75.98  247.73  -63.63  150.77
    4.00  -78.21  262.73  -67.35  154.94
    5.00  -79.20  277.73  -70.13  159.21
    6.00  -78.91  292.73  -72.27  165.61
    7.00  -78.43  307.73  -74.67  172.41
    8.00  -79.22  322.73  -77.78  172.97
    9.00  -79.14  337.73  -80.68  174.64
   10.00  -79.03  352.73  -83.61  171.20
   11.00  -78.76    7.73  -86.25  152.57
   12.00  -78.39   22.73  -86.76   97.71
   13.00  -78.21   37.73  -84.05   70.85
   14.00  -78.20   52.73  -80.63   67.81
   15.00  -77.75   67.73  -77.06   68.21
   16.00  -77.56   82.73  -73.67   72.65
   17.00  -76.24   97.73  -69.70   75.22
   18.00  -76.00  112.73  -66.77   81.92
   19.00  -76.52  127.73  -65.02   90.07
   20.00  -75.98  142.73  -62.78   96.73
   21.00  -74.30  157.73  -59.86  103.12
   22.00  -73.85  172.73  -58.58  111.16
   23.00  -73.08  187.73  -57.44  119.42
</PRE>


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